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PRC: Nuclear Reactions

Recently published articles in Phys. Rev. C in the Table of Content section "Nuclear Reactions"

Published: 2018-01-22T05:01:59+00:00


Survival-mediated capture and fusion cross sections for heavy-element synthesis


Author(s): L. Yao and W. Loveland

The cross section for producing a heavy evaporation residue ${σ}_{\mathrm{EVR}}$ in a fusion reaction can be written as a product of three nonseparable factors, i.e., the capture cross section, the fusion probability ${P}_{\mathrm{CN}}$, and the survival probability ${W}_{\text{sur}}$. Each of these...

[Phys. Rev. C 97, 014608] Published Fri Jan 19, 2018

Investigation of complete and incomplete fusion in the $^{7}\mathrm{Li}+^{124}\mathrm{Sn}$ reaction near Coulomb barrier energies


Author(s): V. V. Parkar, Sushil K. Sharma, R. Palit, S. Upadhyaya, A. Shrivastava, S. K. Pandit, K. Mahata, V. Jha, S. Santra, K. Ramachandran, T. N. Nag, P. K. Rath, Bhushan Kanagalekar, and T. Trivedi

The complete and incomplete fusion cross sections for the $^{7}\mathrm{Li}+^{124}\mathrm{Sn}$ reaction were measured using online and offline characteristic $γ$-ray detection techniques. The complete fusion (CF) cross sections at energies above the Coulomb barrier were found to be suppressed by $∼26...

[Phys. Rev. C 97, 014607] Published Thu Jan 18, 2018

Neutrinoless double-$β$ decay matrix elements in light nuclei


Author(s): S. Pastore, J. Carlson, V. Cirigliano, W. Dekens, E. Mereghetti, and R. B. Wiringa

We present the first ab initio calculations of neutrinoless double-$β$ decay matrix elements in $A=6−12$ nuclei using variational Monte Carlo wave functions obtained from the Argonne ${v}_{18}$ two-nucleon potential and Illinois-7 three-nucleon interaction. We study both light Majorana neutrino exch...

[Phys. Rev. C 97, 014606] Published Wed Jan 17, 2018

Reaction channel coupling effects for nucleons on $^{16}\mathrm{O}$: Induced undularity and proton-neutron potential differences


Author(s): N. Keeley and R. S. Mackintosh

Background: Precise fitting of scattering observables suggests that the nucleon-nucleus interaction is $l$ dependent. Such $l$ dependence has been shown to be $S$-matrix equivalent to an undulatory $l$-independent potential. The undulations include radial regions where the imaginary term is emissive...

[Phys. Rev. C 97, 014605] Published Tue Jan 16, 2018

Elastic $α\text{−}^{12}\mathrm{C}$ scattering at low energies with the bound states of $^{16}\mathrm{O}$ in effective field theory


Author(s): Shung-Ichi Ando

The elastic $α\text{−}^{12}\mathrm{C}$ scattering for $l=0,1,2,3$ channels at low energies is studied, including the energies of excited bound states of $^{16}\mathrm{O}$, in effective field theory. A new renormalization method is introduced due to the large suppression factor produced by the Coulom...

[Phys. Rev. C 97, 014604] Published Fri Jan 12, 2018

Probing nuclear dissipation with first-chance fission probability


Author(s): N. Wang and W. Ye

Using the stochastic Langevin model, we investigate the influence of dissipation on first-chance fission properties of nuclei $^{220}\mathrm{Th}$ and $^{240}\mathrm{Cf}$ by calculating the drop of their first-chance fission probability caused by friction over their standard statistical-model value, ...

[Phys. Rev. C 97, 014603] Published Thu Jan 04, 2018

Systematic analysis of inelastic $α$ scattering off self-conjugate $A=4n$ nuclei


Author(s): S. Adachi et al.

We systematically measured the differential cross sections of inelastic $α$ scattering off self-conjugate $A=4n$ nuclei at two incident energies ${E}_{α}=130\phantom{\rule{0.28em}{0ex}}\mathrm{MeV}$ and $386\phantom{\rule{0.28em}{0ex}}\mathrm{MeV}$ at Research Center for Nuclear Physics, Osaka Unive...

[Phys. Rev. C 97, 014601] Published Wed Jan 03, 2018

Power laws for nuclear observables


Author(s): R. J. Peterson

Often mass-dependent nuclear observables are summarized by fits to a power law in the nuclear mass $A$, as proportional to ${A}^{α}$. In this work a simple justification of this usage is presented, also providing a simple expression for the exponent $α$, with one known parameter being the beam-nucle...

[Phys. Rev. C 97, 014602] Published Wed Jan 03, 2018

Multinucleon transfer dynamics in heavy-ion collisions near Coulomb-barrier energies


Author(s): Fei Niu, Peng-Hui Chen, Ya-Fei Guo, Chun-Wang Ma, and Zhao-Qing Feng

Multinucleon transfer reactions near barrier energies have been investigated with a multistep model based on the dinuclear system (DNS) concept, in which the capture of two colliding nuclei, the transfer dynamics, and the deexcitation process of primary fragments are described by an analytical formu...

[Phys. Rev. C 96, 064622] Published Fri Dec 29, 2017

Improved modeling of photon observables with the event-by-event fission model freya


Author(s): R. Vogt and J. Randrup

The event-by-event fission model $\mathtt{FREYA}$ has been improved, in particular to address deficiencies in the calculation of photon observables. We discuss the improvements that have been made and introduce several new variables, some detector dependent, that affect the photon observables. We sh...

[Phys. Rev. C 96, 064620] Published Thu Dec 28, 2017

Inverse quasifission in the reactions $^{156,160}\mathrm{Gd}+^{186}\mathrm{W}$


Author(s): E. M. Kozulin, V. I. Zagrebaev, G. N. Knyazheva, I. M. Itkis, K. V. Novikov, M. G. Itkis, S. N. Dmitriev, I. M. Harca, A. E. Bondarchenko, A. V. Karpov, V. V. Saiko, and E. Vardaci

Background: Low-energy multinucleon transfer reactions may be used for production of new neutron-enriched heavy nuclei.

[Phys. Rev. C 96, 064621] Published Thu Dec 28, 2017

Non-equilibrium processes in $p$ + Ag collisions at GeV energies


Author(s): M. Fidelus, D. Filges, F. Goldenbaum, L. Jarczyk, B. Kamys, M. Kistryn, St. Kistryn, E. Kozik, P. Kulessa, H. Machner, A. Magiera, B. Piskor-Ignatowicz, K. Pysz, Z. Rudy, Sushil K. Sharma, R. Siudak, and M. Wojciechowski (PISA Collaboration)

The double differential spectra ${d}^{2}σ/d\mathrm{Ω}dE$ of $p$, $d$, $t$, $^{3,4,6}\mathrm{He}$, $^{6,7,8,9}\mathrm{Li}$, $^{7,9,10}\mathrm{Be}$, and $^{10,11,12}\mathrm{B}$ were measured at seven scattering angles, ${15.6}^{∘}$, ${20}^{∘}$, ${35}^{∘}$, ${50}^{∘}$, ${65}^{∘}$, ${80}^{∘}$, and ${100...

[Phys. Rev. C 96, 064618] Published Wed Dec 27, 2017

Measurements of the $^{169}\mathbf{Tm}(n,2n)^{168}\mathbf{Tm}$ cross section from threshold to 15 MeV


Author(s): J. Soter, M. Bhike, S. W. Finch, Krishichayan, and W. Tornow

Measurements of the $^{169}\mathrm{Tm}(n,2n)^{168}\mathrm{Tm}$ cross section have been performed via the activation technique at 13 energies between 8.5 and 15.0 MeV. The purpose of this comprehensive data set is to provide an alternative diagnostic tool for obtaining subtle information on the neutr...

[Phys. Rev. C 96, 064619] Published Wed Dec 27, 2017

Scattering and fusion of identical heavy ions with arbitrary spin


Author(s): A. J. Toubiana, L. F. Canto, R. Donangelo, and M. S. Hussein

The cross sections of elastic scattering and fusion of identical heavy ions with arbitrary spin, $s$ are derived. Applications to several light heavy ions at near-barrier energies are made. It is found that the transverse isotropy; namely, the flat angular distribution which sets in at a critical va...

[Phys. Rev. C 96, 064615] Published Fri Dec 22, 2017

Four-dimensional Langevin approach to low-energy nuclear fission of $^{236}\mathbf{U}$


Author(s): Chikako Ishizuka, Mark D. Usang, Fedir A. Ivanyuk, Joachim A. Maruhn, Katsuhisa Nishio, and Satoshi Chiba

We developed a four-dimensional (4D) Langevin model, which can treat the deformation of each fragment independently and applied it to low-energy fission of $^{236}\mathrm{U}$, the compound system of the reaction $n+^{235}\mathrm{U}$. The potential energy is calculated with the deformed two-center Wo...

[Phys. Rev. C 96, 064616] Published Fri Dec 22, 2017

Analysis of the total kinetic energy of fission fragments with the Langevin equation


Author(s): M. D. Usang, F. A. Ivanyuk, C. Ishizuka, and S. Chiba

We analyzed the total kinetic energy (TKE) of fission fragments with three-dimensional Langevin calculations for a series of actinides and Fm isotopes at various excitation energies. This allowed us to establish systematic trends of TKE with ${Z}^{2}/{A}^{1/3}$ of the fissioning system and as a func...

[Phys. Rev. C 96, 064617] Published Fri Dec 22, 2017

Fermi-momentum dependence of relativistic effective mass below saturation from superscaling of quasielastic electron scattering


Author(s): V. L. Martinez-Consentino, I. Ruiz Simo, J. E. Amaro, and E. Ruiz Arriola

The relativistic effective mass ${M}^{*}$ and Fermi momentum ${k}_{F}$ are important ingredients in the determination of the nuclear equation of state, but they have rarely been extracted from experimental data below saturation density where translationally invariant nuclear matter becomes unstable ...

[Phys. Rev. C 96, 064612] Published Thu Dec 21, 2017

Kaon femtoscopy in Pb-Pb collisions at $\sqrt{{s}_{\mathit{NN}}}=2.76$ TeV


Author(s): S. Acharya et al. (ALICE Collaboration)

We present the results of three-dimensional femtoscopic analyses for charged and neutral kaons recorded by ALICE in Pb-Pb collisions at $\sqrt{{s}_{\mathit{NN}}}=2.76$ TeV. Femtoscopy is used to measure the space-time characteristics of particle production from the effects of quantum statistics and ...

[Phys. Rev. C 96, 064613] Published Thu Dec 21, 2017

Interplay of short-range correlations and nuclear symmetry energy in hard-photon production from heavy-ion reactions at Fermi energies


Author(s): Gao-Chan Yong and Bao-An Li

Within an isospin- and momentum-dependent transport model for nuclear reactions at intermediate energies, we investigate the interplay of the nucleon-nucleon short-range correlations (SRCs) and nuclear symmetry energy ${E}_{\text{sym}}(ρ)$ on hard-photon spectra in collisions of several Ca isotopes ...

[Phys. Rev. C 96, 064614] Published Thu Dec 21, 2017

Simple, empirical approach to predict neutron capture cross sections from nuclear masses


Author(s): A. Couture, R. F. Casten, and R. B. Cakirli

Background: Neutron capture cross sections are essential to understanding the astrophysical $s$ and $r$ processes, the modeling of nuclear reactor design and performance, and for a wide variety of nuclear forensics applications. Often, cross sections are needed for nuclei where experimental measurem...

[Phys. Rev. C 96, 061601(R)] Published Wed Dec 20, 2017

Ternary-fragmentation-driving potential energies of $^{252}\mathrm{Cf}$


Author(s): C. Karthikraj and Zhongzhou Ren

Within the framework of a simple macroscopic model, the ternary-fragmentation-driving potential energies of $^{252}\mathrm{Cf}$ are studied. In this work, all possible ternary-fragment combinations of $^{252}\mathrm{Cf}$ are generated by the use of atomic mass evaluation-2016 (AME2016) data and thes...

[Phys. Rev. C 96, 064611] Published Wed Dec 20, 2017

Fission fragment mass distributions from $^{210}\mathrm{Po}$ and $^{213}\mathrm{At}$


Author(s): A. Sen, T. K. Ghosh, S. Bhattacharya, K. Banerjee, C. Bhattacharya, S. Kundu, G. Mukherjee, A. Asgar, A. Dey, A. Dhal, Md. Moin Shaikh, J. K. Meena, S. Manna, R. Pandey, T. K. Rana, Pratap Roy, T. Roy, V. Srivastava, and P. Bhattacharya

Background: The influence of shell effect on the dynamics of the fusion fission process and its evolution with excitation energy in the preactinide Hg-Pb region in general is a matter of intense research in recent years. In particular, a strong ambiguity remains for the neutron shell closed $^{210}\...

[Phys. Rev. C 96, 064609] Published Mon Dec 18, 2017

Empirical parametrization for production cross sections of neutron-rich nuclei by photofission of $^{238}\mathrm{U}$ at low energies


Author(s): B. Mei, D. L. Balabanski, P. Constantin, L. T. Anh, and P. V. Cuong

An empirical parametrization for the production cross sections of $^{238}\mathrm{U}$ photofission fragments at low energies (${E}_{γ}<30$ MeV) is developed. This parametrization, $\mathrm{GIF}^{238}\mathrm{U}$, consists of three parts, namely, the photofission cross section, the mass yield, and t...

[Phys. Rev. C 96, 064610] Published Mon Dec 18, 2017

Cluster formation in precompound nuclei in the time-dependent framework


Author(s): B. Schuetrumpf and W. Nazarewicz

A new model provides a detailed visualization of the clustering of protons and neutrons within the hot nuclear compound formed just after two nuclei collide and fuse.

[Phys. Rev. C 96, 064608] Published Fri Dec 15, 2017

Fine structure of $α$ decay from the variational principle


Author(s): M. Mirea

Starting from the variational principle, the time-dependent pairing equations are generalized by including the Landau-Zener effect and the Coriolis coupling. A system of microscopic equations of motion for configuration mixing is deduced, allowing the determination of quantities that have the same m...

[Phys. Rev. C 96, 064607] Published Thu Dec 14, 2017

Examination of evidence for collinear cluster tri-partition


Author(s): Yu. V. Pyatkov, D. V. Kamanin, A. A. Alexandrov, I. A. Alexandrova, Z. I. Goryainova, V. Malaza, N. Mkaza, E. A. Kuznetsova, A. O. Strekalovsky, O. V. Strekalovsky, and V. E. Zhuchko

Background: In a series of experiments at different time-of-flight spectrometers of heavy ions we have observed manifestations of a new at least ternary decay channel of low excited heavy nuclei. Due to specific features of the effect, it was called collinear cluster tri-partition (CCT). The obtaine...

[Phys. Rev. C 96, 064606] Published Mon Dec 11, 2017

Microscopic approach based on a multiscale algebraic version of the resonating group model for radiative capture reactions


Author(s): Alexander S. Solovyev and Sergey Yu. Igashov

A microscopic approach to description of radiative capture reactions based on a multiscale algebraic version of the resonating group model is developed. The main idea of the approach is to expand wave functions of discrete spectrum and continuum for a nuclear system over different bases of the algeb...

[Phys. Rev. C 96, 064605] Published Fri Dec 08, 2017

Mean free path and shear viscosity in central $^{129}\mathrm{Xe}+^{119}\mathrm{Sn}$ collisions below 100 MeV/nucleon


Author(s): H. L. Liu (刘焕玲), Y. G. Ma (马余刚), A. Bonasera, X. G. Deng (邓先概), O. Lopez, and M. Veselský

Thermal and transport properties of hot nuclear matter formed in central $^{129}\mathrm{Xe}+^{119}\mathrm{Sn}$ collisions at the Fermi energy are investigated using the isospin-dependent quantum molecular dynamical model. Temperature ($T$), average density ($ρ$), chemical potential ($μ$), mean momen...

[Phys. Rev. C 96, 064604] Published Wed Dec 06, 2017

Neutron removal from the deformed halo nucleus $^{31}\mathbf{Ne}$


Author(s): Juhee Hong, C. A. Bertulani, and A. T. Kruppa

Experimental data on Coulomb breakup and neutron removal indicate that $^{31}\mathrm{Ne}$ is one of the heaviest halo nuclei discovered so far. The possible ground state of $^{31}\mathrm{Ne}$ is either $3/{2}^{−}$ coming from the $p$-wave halo or $1/{2}^{+}$ coming from the $s$-wave halo. In this wo...

[Phys. Rev. C 96, 064603] Published Tue Dec 05, 2017

Matter radii of light proton-rich and neutron-rich nuclear isotopes


Author(s): Suhel Ahmad, A. A. Usmani, and Z. A. Khan

We extract the matter root-mean-square (rms) radii of a wide range of light proton and neutron rich nuclear isotopes (He–Mg) by studying their interaction cross sections (${σ}_{I}$) on $^{12}\mathrm{C}$ at intermediate energies within the framework of the Glauber model. The calculations involve the ...

[Phys. Rev. C 96, 064602] Published Mon Dec 04, 2017

Measurement of the $^{238}\mathrm{U}(n,γ)$ cross section up to 80 keV with the Total Absorption Calorimeter at the CERN n_TOF facility


Author(s): T. Wright et al. (The n_TOF Collaboration)

The radiative capture cross section of a highly pure (99.999%), 6.125(2) grams and 9.56(5)$×{10}^{−4}$ atoms/barn areal density $^{238}\mathrm{U}$ sample has been measured with the Total Absorption Calorimeter (TAC) in the 185 m flight path at the CERN neutron time-of-flight facility n_TOF. This mea...

[Phys. Rev. C 96, 064601] Published Fri Dec 01, 2017

Low-energy nuclear reaction of the $^{14}\mathrm{N}+^{169}\mathrm{Tm}$ system: Incomplete fusion


Author(s): R. Kumar, Vijay R. Sharma, Abhishek Yadav, Pushpendra P. Singh, Avinash Agarwal, S. Appannababu, S. Mukherjee, B. P. Singh, R. Ali, and R. K. Bhowmik

Excitation functions of reaction residues produced in the $^{14}\mathrm{N}+^{169}\mathrm{Tm}$ system have been measured to high precision at energies above the fusion barrier, ranging from $1.04{V}_{B}$ to $1.30{V}_{B}$, and analyzed in the framework of the statistical model code pace4. Analysis of ...

[Phys. Rev. C 96, 054614] Published Thu Nov 30, 2017

Energy dependence of nonlocal optical potentials


Author(s): A. E. Lovell, P.-L. Bacq, P. Capel, F. M. Nunes, and L. J. Titus

Recently, a variety of studies have shown the importance of including nonlocality in the description of reactions. The goal of this work is to revisit the phenomenological approach to determining nonlocal optical potentials from elastic scattering. We perform a ${χ}^{2}$ analysis of neutron elastic ...

[Phys. Rev. C 96, 051601(R)] Published Wed Nov 29, 2017

$^{4}\mathrm{He}$, $^{10}\mathrm{Be}$, $^{14}\mathrm{C}$, and $^{16}\mathrm{O}$ light-fragment-accompanied cold ternary fission of the $^{250}\mathrm{Cm}$ isotope in an equatorial three-cluster model


Author(s): M. R. Pahlavani, O. N. Ghodsi, and M. Zadehrafi

The cold ternary fission of $^{250}\mathrm{Cm}$ accompanied with $^{4}\mathrm{He}$, $^{10}\mathrm{Be}$, $^{14}\mathrm{C}$, and $^{16}\mathrm{O}$ light charged particles in the equatorial three-cluster model configuration is studied. Driving potential and fission yield for each accompanied light char...

[Phys. Rev. C 96, 054612] Published Wed Nov 29, 2017

Experimental study of the transfer-induced fission fragment angular distribution in the $^{6}\mathrm{Li}+^{238}\mathrm{U}$ reaction


Author(s): A. Parihari, G. Mohanto, Gurpreet Kaur, A. Jhingan, K. Mahata, R. G. Thomas, P. C. Rout, E. T. Mirgule, V. V. Desai, B. Srinivasan, C. Joshi, V. Mishra, M. Kushwaha, Shilpi Gupta, D. Sarkar, S. V. Suryanarayana, A. Shrivastava, N. L. Singh, A. Misra, B. K. Nayak, and A. Saxena

Transfer-induced fission fragment angular distribution measurements have been carried out in $^{6}\mathrm{Li}+^{238}\mathrm{U}$ reaction at beam energies of 36 and 40 MeV in coincidence with projectile-like fragments. The fission fragment anisotropies for $α$- and deuteron-transfer-induced fission r...

[Phys. Rev. C 96, 054613] Published Wed Nov 29, 2017

Temperature dependence of nuclear fission time in heavy-ion fusion-fission reactions


Author(s): Chris Eccles, Sanil Roy, Thomas H. Gray, and Alessio Zaccone

Accounting for viscous damping within Fokker-Planck equations led to various improvements in the understanding and analysis of nuclear fission of heavy nuclei. Analytical expressions for the fission time are typically provided by Kramers' theory, which improves on the Bohr-Wheeler estimate by includ...

[Phys. Rev. C 96, 054611] Published Tue Nov 28, 2017

Elastic and inelastic scattering for the $^{10}\mathrm{B}+^{58}\mathrm{Ni}$ system at near-barrier energies


Author(s): V. Scarduelli, E. Crema, V. Guimarães, D. Abriola, A. Arazi, E. de Barbará, O. A. Capurro, M. A. Cardona, J. Gallardo, D. Hojman, G. V. Martí, A. J. Pacheco, D. Rodrígues, Y. Y. Yang, N. N. Deshmukh, B. Paes, J. Lubian, D. R. Mendes Junior, V. Morcelle, and D. S. Monteiro

Full angular distributions of the $^{10}\mathrm{B}$ elastically and inelastically scattered by $^{58}\mathrm{Ni}$ have been measured at different energies around the Coulomb barrier. The elastic and inelastic scattering of $^{10}\mathrm{B}$ on a medium mass target has been measured for the first tim...

[Phys. Rev. C 96, 054610] Published Mon Nov 27, 2017

Nuclear medium effects in muonic neutrino interactions with energies from 0.2 to 1.5 GeV


Author(s): D. Vargas, A. R. Samana, F. G. Velasco, O. R. Hoyos, F. Guzmán, J. L. Bernal-Castillo, E. Andrade-II, R. Perez, A. Deppman, C. A. Barbero, and A. E. Mariano

Nuclear reactions induced by muon neutrinos with energies from 0.2 to 1.5 GeV in the Monte Carlo calculation framework in the intranuclear cascade model are studied. This study was done by comparing the available experimental data and theoretical values of total cross section, and the energy distrib...

[Phys. Rev. C 96, 054606] Published Tue Nov 21, 2017

Analysis of corrections to the eikonal approximation


Author(s): C. Hebborn and P. Capel

Various corrections to the eikonal approximations are studied for two- and three-body nuclear collisions with the goal to extend the range of validity of this approximation to beam energies of 10 MeV/nucleon. Wallace's correction does not improve much the elastic-scattering cross sections obtained a...

[Phys. Rev. C 96, 054607] Published Tue Nov 21, 2017

Theoretical investigation of two-particle two-hole effects on spin-isospin excitations through charge-exchange reactions


Author(s): Tokuro Fukui and Futoshi Minato

Background: Coherent one-particle one-hole (1p1h) excitations have given us effective insights into general nuclear excitations. However, the two-particle two-hole (2p2h) excitation beyond 1p1h is now recognized as critical for the proper description of experimental data of various nuclear responses...

[Phys. Rev. C 96, 054608] Published Tue Nov 21, 2017

Inhomogeneity growth in two-component fermionic systems


Author(s): P. Napolitani and M. Colonna

The dynamics of fermionic many-body systems is investigated in the framework of Boltzmann–Langevin (BL) stochastic one-body approaches. Within the recently introduced Boltzmann–Langevin one-body (BLOB) model, we examine the interplay between mean-field effects and two-body correlations, of stochasti...

[Phys. Rev. C 96, 054609] Published Tue Nov 21, 2017

Improvement of one-nucleon removal and total reaction cross sections in the Liège intranuclear-cascade model using Hartree-Fock-Bogoliubov calculations


Author(s): Jose Luis Rodríguez-Sánchez, Jean-Christophe David, Davide Mancusi, Alain Boudard, Joseph Cugnon, and Sylvie Leray

The prediction of one-nucleon-removal cross sections by the Liège intranuclear-cascade model has been improved using a refined description of the matter and energy densities in the nuclear surface. Hartree-Fock-Bogoliubov calculations with the Skyrme interaction are used to obtain a more realistic d...

[Phys. Rev. C 96, 054602] Published Mon Nov 20, 2017

Probing the high-momentum component in the nucleon momentum distribution by nucleon emission from intermediate-energy nucleus-nucleus collisions


Author(s): Zhi Wang, Chang Xu, Zhongzhou Ren, and Chao Gao

The free nucleon emission from intermediate-energy nucleus-nucleus collisions is proposed as a possible probe to study the high-momentum tail (HMT) in nucleon momentum distribution of nuclei. Within the framework of the isospin-dependent Boltzmann-Uehling-Uhlenbeck (IBUU) transport model, the effect...

[Phys. Rev. C 96, 054603] Published Mon Nov 20, 2017

$^{242}\mathrm{Pu}$ neutron-induced fission cross-section measurement from 1 to 2 MeV neutron energy


Author(s): P. Marini, L. Mathieu, M. Aïche, G. Belier, S. Czajkowski, Q. Ducasse, B. Jurado, G. Kessedjian, J. Matarranz, A. Plompen, P. Salvador-Castiñeira, J. Taieb, and I. Tsekhanovich

Relative values of the neutron-induced fission cross section $σ(n,f)$ of $^{242}\mathrm{Pu}$ have been measured with respect to the standard $^{1}\mathrm{H}(n,p)$ elastic scattering cross section, at average energies of 1.0, 1.4, and $1.9\phantom{\rule{4pt}{0ex}}\mathrm{MeV}$. The measurements are p...

[Phys. Rev. C 96, 054604] Published Mon Nov 20, 2017

Fission time scale from pre-scission neutron and $α$ multiplicities in the $^{16}\mathrm{O}$ + $^{194}\mathrm{Pt}$ reaction


Author(s): K. Kapoor, S. Verma, P. Sharma, R. Mahajan, N. Kaur, G. Kaur, B. R. Behera, K. P. Singh, A. Kumar, H. Singh, R. Dubey, N. Saneesh, A. Jhingan, P. Sugathan, G. Mohanto, B. K. Nayak, A. Saxena, H. P. Sharma, S. K. Chamoli, I. Mukul, and V. Singh

Pre- and post-scission $α$-particle multiplicities have been measured for the reaction $^{16}O+^{194}Pt$ at 98.4 MeV forming $^{210}Rn$ compound nucleus. $α$ particles were measured at various angles in coincidence with the fission fragments. Moving source technique was used to extract the pre- and ...

[Phys. Rev. C 96, 054605] Published Mon Nov 20, 2017

New determination of proton spectroscopic factors and reduced widths for $^{8}\mathrm{Be}$ states in the 16.5–18.0 MeV excitation energy region via the study of the $^{7}\mathrm{Li}(^{3}\mathrm{He},d)^{8}\mathrm{Be}$ transfer reaction at ${E}_{\mathrm{lab}}=20$ MeV: Implication for the $^{7}\mathrm{Li}(p,α)^{4}\mathrm{He}$ hydrogen burning reaction


Author(s): A. Belhout, S. Ouichaoui, H. Beaumevieille, A. Bouchemha, G. Bogaert, S. Fortier, J. Kiener, A. Lefebvre-Schuhl, J. M. Maison, L. Rosier, J. Rotbard, V. Tatischeff, J. P. Thibaud, and J. Vernotte

The angular distributions of $^{8}\mathrm{Be}$ states in the excitation energy region ${E}_{x}∼(16.5\text{–}18.2)$ MeV produced in the $^{7}\mathrm{Li}(^{3}\mathrm{He},d)^{8}\mathrm{Be}$ proton transfer reaction have been measured at the Orsay $14.8−\mathrm{MV}$ tandem accelerator for $^{3}\mathrm{H...

[Phys. Rev. C 96, 054601] Published Fri Nov 03, 2017

Enhanced nucleon transfer in tip collisions of $^{238}\mathrm{U}+^{124}\mathrm{Sn}$


Author(s): Kazuyuki Sekizawa

Multinucleon transfer processes in low-energy heavy ion reactions have attracted increasing interest in recent years aiming at the production of new neutron-rich isotopes. Clearly, it is an imperative task to further develop understanding of underlying reaction mechanisms to lead experiments to succ...

[Phys. Rev. C 96, 041601(R)] Published Mon Oct 30, 2017

Incomplete fusion analysis of the $^{7}\mathrm{Li}$-induced reaction on $^{93}\mathrm{Nb}$ within 3–6.5 MeV/nucleon


Author(s): Deepak Kumar and Moumita Maiti

Background: It is understood from the recent experimental studies that prompt/resonant breakup, and transfer followed by breakup in the weakly bound $^{6,7}\mathrm{Li}$-induced reactions play a significant role in the complete-incomplete fusion (CF-ICF), suppression/enhancement in the fusion cross s...

[Phys. Rev. C 96, 044624] Published Mon Oct 30, 2017

Dynamical deformation in heavy ion reactions and the characteristics of quasifission products


Author(s): S. Q. Guo, Y. Gao, J. Q. Li, and H. F. Zhang

The investigation of the characteristics of low-energy heavy ion reactions covering both fusion and quasifission is carried out within the dinuclear system (DNS) concept, which is developed to include the deformation variables of fragments in addition to the mass numbers of the fragments, so that th...

[Phys. Rev. C 96, 044622] Published Thu Oct 26, 2017

Accurate $^{238}\mathrm{U}$($n, 2n$)$^{237}\mathrm{U}$ reaction cross-section measurements from 6.5 to 14.8 MeV


Author(s): Krishichayan, M. Bhike, W. Tornow, A. P. Tonchev, and T. Kawano

The cross section for the $^{238}\mathrm{U}(n,2n)^{237}\mathrm{U}$ reaction has been measured in the incident neutron energy range from 6.5 to 14.8 MeV in small energy steps using an activation technique. Monoenergetic neutron beams were produced via the $^{2}\mathrm{H}(d,n)^{3}\mathrm{He}$ and $^{3...

[Phys. Rev. C 96, 044623] Published Thu Oct 26, 2017

Nuclear-state engineering in tripod systems using x-ray laser pulses


Author(s): B. Nedaee-Shakarab, M. Saadati-Niari, and F. Zolfagharpour

Coherent superposition of nuclear states in tripod systems using three x-ray laser pulses is investigated theoretically. The laser pulses transfer the population from one ground state to an arbitrary superposition of other ground states using coincident pulses and stimulated Raman adiabatic passage ...

[Phys. Rev. C 96, 044619] Published Tue Oct 24, 2017

Cross section measurement for the $^{10}\mathrm{B}(n,t2α)$ three-body reaction at 4.0, 4.5, and 5.0 MeV. I. Prediction of the experimental spectrum


Author(s): Zhimin Wang, Huaiyong Bai, Luyu Zhang, Haoyu Jiang, Yi Lu, Jinxiang Chen, Guohui Zhang, Yu. M. Gledenov, M. V. Sedysheva, and G. Khuukhenkhuu

Cross sections of the $^{10}\mathrm{B}(n,t2α)$ three-body reaction were measured at ${E}_{n}=4.0,4.5$, and 5.0 MeV using a twin gridded ionization chamber and a thin-film $^{10}\mathrm{B}$ sample. The present paper is the first part of the work. The experimental spectrum of the $^{10}\mathrm{B}(n,t2...

[Phys. Rev. C 96, 044620] Published Tue Oct 24, 2017

Cross section measurement for the $^{10}\mathrm{B}(n,t2α)$ three-body reaction at 4.0, 4.5, and 5.0 MeV. II. Experimental setup and results


Author(s): Zhimin Wang, Huaiyong Bai, Luyu Zhang, Haoyu Jiang, Yi Lu, Jinxiang Chen, Guohui Zhang, Yu. M. Gledenov, M. V. Sedysheva, and G. Khuukhenkhuu

Cross sections of the $^{10}\mathrm{B}(n,t2α)$ three-body reaction were measured at ${E}_{n}=4.0$, 4.5, and 5.0 MeV using a twin gridded ionization chamber and a thin-film $^{10}\mathrm{B}$ sample. The present paper is the second part of the work. A digital data-acquisition system was developed for ...

[Phys. Rev. C 96, 044621] Published Tue Oct 24, 2017

Activation cross section and isomeric cross section ratios for the ($n,2n$) reaction on $^{153}\mathrm{Eu}$


Author(s): Junhua Luo, Li Jiang, and Suyuan Li

The $^{153}\mathrm{Eu}(n,2n)^{152}\mathrm{Eu}^{\mathrm{m}1,\mathrm{m}2,g}$ cross section was measured by means of the activation technique at three neutron energies in the range 13–15 MeV. The quasimonoenergetic neutron beam was formed via the $^{3}\mathrm{H}(d,n)^{4}\mathrm{He}$ reaction, in the Pd...

[Phys. Rev. C 96, 044617] Published Mon Oct 23, 2017

Simulating spin dynamics with spin-dependent cross sections in heavy-ion collisions


Author(s): Yin Xia, Jun Xu, Bao-An Li, and Wen-Qing Shen

We have incorporated the spin-dependent nucleon-nucleon cross sections into a Boltzmann-Uehling-Uhlenbeck transport model for the first time, using the spin-singlet and spin-triplet nucleon-nucleon elastic scattering cross sections extracted from the phase-shift analyses of nucleon-nucleon scatterin...

[Phys. Rev. C 96, 044618] Published Mon Oct 23, 2017

Investigation of large $α$ production in reactions involving weakly bound $^{7}\mathrm{Li}$


Author(s): S. K. Pandit, A. Shrivastava, K. Mahata, V. V. Parkar, R. Palit, N. Keeley, P. C. Rout, A. Kumar, K. Ramachandran, S. Bhattacharyya, V. Nanal, C. S. Palshetkar, T. N. Nag, Shilpi Gupta, S. Biswas, S. Saha, J. Sethi, P. Singh, A. Chatterjee, and S. Kailas

The origin of the large $α$-particle production cross sections in systems involving weakly bound $^{7}\mathrm{Li}$ projectiles has been investigated by measuring the cross sections of all possible fragment-capture as well as complete fusion using the particle-$γ$ coincidence, in-beam, and off-beam $...

[Phys. Rev. C 96, 044616] Published Thu Oct 19, 2017

Long-range versus short-range correlations in the two-neutron transfer reaction $^{64}\mathrm{Ni}(^{18}\mathrm{O},^{16}\mathrm{O})^{66}\mathrm{Ni}$


Author(s): B. Paes, G. Santagati, R. Magana Vsevolodovna, F. Cappuzzello, D. Carbone, E. N. Cardozo, M. Cavallaro, H. García-Tecocoatzi, A. Gargano, J. L. Ferreira, S. M. Lenzi, R. Linares, E. Santopinto, A. Vitturi, and J. Lubian

Recently, various two-neutron transfer studies using the $(^{18}\mathrm{O},^{16}\mathrm{O})$ reaction were performed with a large success. This was achieved because of a combined use of the microscopic quantum description of the reaction mechanism and of the nuclear structure. In the present work we...

[Phys. Rev. C 96, 044612] Published Wed Oct 18, 2017

$α$-decay chains of superheavy $^{265−279}\mathrm{Mt}$ isotopes


Author(s): K. P. Santhosh and C. Nithya

The $α$-decay chains of the isotopes $^{265−279}\mathrm{Mt}$ are predicted by comparing the $α$ half-lives calculated within the Coulomb and proximity potential model for deformed nuclei of Santhosh et al. [Nucl. Phys. A 850, 34 (2011)] with the spontaneous fission half-lives using the shell-effect...

[Phys. Rev. C 96, 044613] Published Wed Oct 18, 2017

Systematic study of low-energy incomplete fusion: Role of entrance channel parameters


Author(s): Abhishek Yadav, Pushpendra P. Singh, Mohd. Shuaib, Vijay R. Sharma, Indu Bala, Unnati, Sunita Gupta, D. P. Singh, M. K. Sharma, R. Kumar, S. Murlithar, R. P. Singh, B. P. Singh, and R. Prasad

An attempt has been made to investigate the role of various entrance channel parameters in low-energy ($≈4\text{–}7$ MeV/nucleon) incomplete fusion reactions through excitation function measurements. The analysis of measured excitation functions, in the framework of statistical model code pace4, rev...

[Phys. Rev. C 96, 044614] Published Wed Oct 18, 2017

Abnormal behavior of the optical potential for the halo nuclear system $^{6}\mathrm{He}+^{209}\mathrm{Bi}$


Author(s): L. Yang (杨磊), C. J. Lin (林承键), H. M. Jia (贾会明), D. X. Wang (王东玺), N. R. Ma (马南茹), L. J. Sun (孙立杰), F. Yang (杨峰), X. X. Xu (徐新星), Z. D. Wu (吴振东), H. Q. Zhang (张焕乔), and Z. H. Liu (刘祖华)

In a recent transfer reaction measurement of $^{208}\mathrm{Pb}$($^{7}\mathrm{Li},^{6}\mathrm{He}$)$^{209}\mathrm{Bi}$ at energies around and below the Coulomb barrier, the optical model potentials of the halo nuclear system $^{6}\mathrm{He}+^{209}\mathrm{Bi}$ were extracted by fitting the experimen...

[Phys. Rev. C 96, 044615] Published Wed Oct 18, 2017

Consistent optical potential for incident and emitted low-energy $α$ particles. II. $α$ emission in fast-neutron-induced reactions on Zr isotopes


Author(s): V. Avrigeanu and M. Avrigeanu

Background: Challenging questions of the $α$-particle optical-model potential (OMP) are still pointed out by recent high-precision measurements of $α$-induced reaction data below the Coulomb barrier. Moreover, the reliability of a previous OMP for $α$ particles on nuclei within the mass number range...

[Phys. Rev. C 96, 044610] Published Mon Oct 16, 2017

Spins of complex fragments in binary reactions within a dinuclear system model


Author(s): H. Paşca, Sh. A. Kalandarov, G. G. Adamian, and N. V. Antonenko

The average angular momenta and widths of the spin distributions of reaction products are calculated within the dinuclear system model. The thermal excitation of rotational bearing modes is considered in the dinuclear system. The calculated fragment spins ($γ$ multiplicities) and their variances in ...

[Phys. Rev. C 96, 044611] Published Mon Oct 16, 2017

Observation of annual modulation induced by $γ$ rays from ($α,γ$) reactions at the Soudan Underground Laboratory


Author(s): Ashok Tiwari, C. Zhang, D.-M. Mei, and P. Cushman

Annual modulation of $γ$ rays from ($α,γ$) reactions in the Soudan Underground Laboratory was observed using a 12-liter scintillation detector. This significant annual modulation, measured over 4 years, can mimic the signature for dark matter and can also generate potential background events for neu...

[Phys. Rev. C 96, 044609] Published Thu Oct 12, 2017

Mass distribution and mass-resolved angular distribution in the $^{16}\mathrm{O}+^{238}\mathrm{U}$ reaction at sub-barrier energy


Author(s): T. N. Nag, R. Tripathi, S. Sodaye, K. Sudarshan, K. Ramachandran, B. K. Nayak, and P. K. Pujari

Background: The angular distribution of fission fragments or products is a sensitive probe to investigate non-compound-nucleus (NCN) fission. However, the gross angular distribution cannot distinguish between different NCN fission processes. Both preequilibrium fission and quasifission contribute to...

[Phys. Rev. C 96, 044608] Published Wed Oct 11, 2017

Preequilibrium neutron emission from O + Al at 7.5 MeV/nucleon and 8.8 MeV/nucleon


Author(s): Sabyasachi Paul, C. Sunil, Sanjoy Pal, V. Nanal, V. Suman, G. S. Sahoo, A. Shanbhag, S. P. Tripathy, T. Bandyopadhyay, M. Nandy, and A. K. Mohanty

The thick target neutron yield from a ${}^{16}{\mathrm{O}}^{6+}$ beam on a thick $^{27}\mathrm{Al}$ target at 120- and 142-MeV (7.5- and 8.8-MeV/nucleon, respectively) incident energies is presented and compared with theoretical calculations. The theoretical estimates for the yield of a high-energy ...

[Phys. Rev. C 96, 044607] Published Tue Oct 10, 2017

Modeling pion production in heavy-ion collisions at intermediate energies


Author(s): Gao-Chan Yong

Pion production in nucleus-nucleus collisions at intermediate energies was modeled in the framework of the isospin-dependent Boltzmann-Uehling-Uhlenbeck transport model. The effects of nucleon-nucleon short-range correlations in initialization and mean-field potential, isospin-dependent in-medium ba...

[Phys. Rev. C 96, 044605] Published Mon Oct 09, 2017

Experimental and evaluated photoneutron cross sections for $^{197}\mathrm{Au}$


Author(s): V. Varlamov, B. Ishkhanov, and V. Orlin

There is a serious well-known problem of noticeable disagreements between the partial photoneutron cross sections obtained in various experiments. Such data were mainly determined using quasimonoenergetic annihilation photon beams and the method of neutron multiplicity sorting at Lawrence Livermore ...

[Phys. Rev. C 96, 044606] Published Mon Oct 09, 2017

Photoneutron cross-section measurements in the $^{209}\mathrm{Bi}$($γ,xn$) reaction with a new method of direct neutron-multiplicity sorting


Author(s): I. Gheorghe, H. Utsunomiya, S. Katayama, D. Filipescu, S. Belyshev, K. Stopani, V. Orlin, V. Varlamov, T. Shima, S. Amano, S. Miyamoto, Y.-W. Lui, T. Kawano, and S. Goriely

Photoneutron cross sections were measured in the $^{209}\mathrm{Bi}$($γ, xn$) reaction with $x=1–4$ at energies from the neutron threshold to 40 MeV using quasimonochromatic laser Compton-scattering $γ$-ray beams. A novel technique of direct neutron-multiplicity sorting with a flat-efficiency detect...

[Phys. Rev. C 96, 044604] Published Fri Oct 06, 2017

Comprehensive analysis of high-lying states in $^{18}\mathrm{O}$ populated with $(t,p)$ and $(^{18}\mathrm{O},^{16}\mathrm{O})$ reactions


Author(s): M. J. Ermamatov, R. Linares, J. Lubian, J. L. Ferreira, F. Cappuzzello, D. Carbone, M. Cavallaro, M. Cubero, P. N. de Faria, A. Foti, G. Santagati, and V. A. B. Zagatto

Background: In our recent work [M. J. Ermamatov et al., Phys. Rev. C 94, 024610 (2016)], the two-neutron transfer induced by the $(^{18}\mathrm{O},^{16}\mathrm{O})$ reaction was studied for $^{16}\mathrm{O}$ nucleus. Theoretical analysis of the low-lying states of $^{18}\mathrm{O}$ indicates that t...

[Phys. Rev. C 96, 044603] Published Wed Oct 04, 2017

Extraction of $t$ slopes from experimental $γp→{K}^{+}\mathrm{Λ}$ and $γp→{K}^{+}{\mathrm{Σ}}^{0}$ cross section data


Author(s): Adam Freese, Daniel Puentes, Shankar Adhikari, Rafael Badui, Lei Guo, and Brian Raue

We analyze recent ${K}^{+}$ meson photoproduction data from the CLAS collaboration for the reactions $γp→{K}^{+}\mathrm{Λ}$ and $γp→{K}^{+}{\mathrm{Σ}}^{0}$, fitting measured forward-angle differential cross sections to the form $A{e}^{Bt}$. We develop a quantitative scheme for determining the kinem...

[Phys. Rev. C 96, 044601] Published Mon Oct 02, 2017

Potential for $α$-induced nuclear scattering, reaction and decay, and a resonance-pole-decay model with exact explicit analytical solutions


Author(s): Basudeb Sahu and Swagatika Bhoi

The decay of $α$ particle from a nucleus is viewed as a quantum resonance state of a two-body scattering process of the $α$+daughter nucleus pair governed by a novel nucleus-nucleus potential in squared Woods-Saxon form. By the application of the rigorous optical model (OM) potential scattering ($S$...

[Phys. Rev. C 96, 044602] Published Mon Oct 02, 2017

Relative mass distributions of neutron-rich thermally fissile nuclei within a statistical model


Author(s): Bharat Kumar, M. T. Senthil Kannan, M. Balasubramaniam, B. K. Agrawal, and S. K. Patra

We study the binary mass distribution for the recently predicted thermally fissile neutron-rich uranium and thorium nuclei using a statistical model. The level density parameters needed for the study are evaluated from the excitation energies of the temperature-dependent relativistic mean field form...

[Phys. Rev. C 96, 034623] Published Fri Sep 29, 2017

Transfer probabilities for the reactions $^{14,20}\mathrm{O}+^{20}\mathrm{O}$ in terms of multiple time-dependent Hartree-Fock-Bogoliubov trajectories


Author(s): Guillaume Scamps and Yukio Hashimoto

The transfer reaction between two nuclei in the superfluid phase is studied with the time-dependent Hartree-Fock-Bogoliubov (TDHFB) theory. To restore the symmetry of the relative gauge angle, a set of independent TDHFB trajectories is taken into account. Then, the transfer probability is computed u...

[Phys. Rev. C 96, 031602(R)] Published Wed Sep 27, 2017

Fission characteristics of the excited compound nucleus $^{210}\mathrm{Rn}$ in the framework of the four-dimensional dynamical model


Author(s): H. Eslamizadeh and E. Ahadi

The evaporation residue cross section, the anisotropy of the fission fragments angular distribution, the fission probability, the mass-energy distribution of the fission fragments, and the average prescission neutron multiplicity have been calculated for the compound nucleus $^{210}\mathrm{Rn}$ by u...

[Phys. Rev. C 96, 034621] Published Wed Sep 27, 2017

Isospin diffusion in binary collisions of $^{32}\mathrm{S}+^{40,48}\mathrm{Ca}$ and $^{32}\mathrm{S}+^{48}\mathrm{Ti}$ at 17.7 MeV/nucleon


Author(s): S. Piantelli et al.

The systems $^{32}\mathrm{S}+^{40,48}\mathrm{Ca}$ and $^{32}\mathrm{S}+^{48}\mathrm{Ti}$ at 17.7 MeV/nucleon were investigated with the setup general array for fragment identification and for emitted light particles in dissipative collisions (GARFIELD) plus ring counter (RCo) at Laboratori Nazionali...

[Phys. Rev. C 96, 034622] Published Wed Sep 27, 2017

Fusion hindrance at deep sub-barrier energies for the $^{11}\mathbf{B}+^{197}\mathbf{Au}$ system


Author(s): A. Shrivastava, K. Mahata, V. Nanal, S. K. Pandit, V. V. Parkar, P. C. Rout, N. Dokania, K. Ramachandran, A. Kumar, A. Chatterjee, and S. Kailas

Fusion cross sections for the $^{11}\mathrm{B}+^{197}\mathrm{Au}$ system have been measured at energies around and deep below the Coulomb barrier, to probe the occurrence of fusion hindrance in case of asymmetric systems. A deviation with respect to the standard coupled channels calculations has bee...

[Phys. Rev. C 96, 034620] Published Tue Sep 26, 2017

Description of proton radioactivity using the Coulomb and proximity potential model for deformed nuclei


Author(s): K. P. Santhosh and Indu Sukumaran

Half-life predictions have been performed for the proton emitters with $Z>50$ in the ground state and isomeric state using the Coulomb and proximity potential model for deformed nuclei (CPPMDN). The agreement of the calculated values with the experimental data made it possible to predict some pro...

[Phys. Rev. C 96, 034619] Published Mon Sep 25, 2017

Shadowing in low-energy photonuclear reactions


Author(s): Swapan Das

The photonuclear reaction in the multi-GeV region occurs because of the electromagnetic and hadronic interactions. The latter originates due to the hadronic fluctuation, i.e., vector meson, of the photon. The total cross section of the reaction is shadowed because of the vector meson–nucleus (hadron...

[Phys. Rev. C 96, 034616] Published Fri Sep 22, 2017

Nuclear-matter radius studies from $^{58}\mathrm{Ni}(α,α)$ experiments at the GSI Experimental Storage Ring with the EXL facility


Author(s): J. C. Zamora et al.

A novel method for measuring nuclear reactions in inverse kinematics with stored ion beams was successfully used to extract the nuclear-matter radius of $^{58}\mathrm{Ni}$. The experiment was performed at the experimental heavy-ion storage ring at the GSI facility using a stored $^{58}\mathrm{Ni}$ b...

[Phys. Rev. C 96, 034617] Published Fri Sep 22, 2017

$ϕ$ meson transparency in nuclei from $ϕN$ resonant interactions


Author(s): D. Cabrera, A. N. Hiller Blin, M. J. Vicente Vacas, and P. Fernández de Córdoba

We investigate the $ϕ$ meson nuclear transparency using some recent theoretical developments on the $ϕ$ in medium self-energy. The inclusion of direct resonant $ϕN$ scattering and the kaon decay mechanisms leads to a $ϕ$ width much larger than in most previous theoretical approaches. The model has b...

[Phys. Rev. C 96, 034618] Published Fri Sep 22, 2017

Role of dynamical deformation in pre-scission neutron multiplicity


Author(s): Neeraj Kumar, Shabnam Mohsina, Jhilam Sadhukhan, and Shashi Verma

The light-particle emission probability from an excited compound nucleus depends explicitly on the time-evolution of the system as the available internal excitation energy and, consequently, the particle decay widths depend on the instantaneous deformation of the nucleus. The Langevin dynamical mode...

[Phys. Rev. C 96, 034614] Published Thu Sep 21, 2017

Global description of the $^{7}\mathrm{Li}+p$ reaction at 5.44 MeV/u in a continuum-discretized coupled-channels approach


Author(s): A. Pakou, F. Cappuzzello, N. Keeley, L. Acosta, C. Agodi, X. Aslanoglou, S. Calabrese, D. Carbone, M. Cavallaro, A. Foti, G. Marquínez-Durán, I. Martel, M. Mazzocco, C. Parascandolo, D. Pierroutsakou, K. Rusek, O. Sgouros, V. Soukeras, E. Strano, V. A. B. Zagatto, and K. Zerva

The complete set of open channels for the $^{7}\mathrm{Li}+p$ system, namely elastic scattering, inelastic scattering, breakup, the $^{7}\mathrm{Li}+p\phantom{\rule{4pt}{0ex}}→\phantom{\rule{4pt}{0ex}}^{7}\mathrm{Be}+n$ charge exchange reaction, and the $^{7}\mathrm{Li}+p\phantom{\rule{4pt}{0ex}}→\p...

[Phys. Rev. C 96, 034615] Published Thu Sep 21, 2017

Evaporation residue cross-section measurements for $^{48}\mathrm{Ti}$-induced reactions


Author(s): Priya Sharma, B. R. Behera, Ruchi Mahajan, Meenu Thakur, Gurpreet Kaur, Kushal Kapoor, Kavita Rani, N. Madhavan, S. Nath, J. Gehlot, R. Dubey, I. Mazumdar, S. M. Patel, M. Dhibar, M. M. Hosamani, Khushboo, Neeraj Kumar, A. Shamlath, G. Mohanto, and Santanu Pal

Background: A significant research effort is currently aimed at understanding the synthesis of heavy elements. For this purpose, heavy ion induced fusion reactions are used and various experimental observations have indicated the influence of shell and deformation effects in the compound nucleus (CN...

[Phys. Rev. C 96, 034613] Published Wed Sep 20, 2017

Aspects of charge distribution measurement for $^{252}\mathrm{Cf}$(sf)


Author(s): Taofeng Wang, Guangwu Li, Liping Zhu, Or Hen, Gaolong Zhang, Qinghua Meng, Liming Wang, Hongyin Han, and Haihong Xia

Measurements of charge distributions of fragments in the spontaneous fission of $^{252}\mathrm{Cf}$ have been performed using a unique detector setup consisting of a typical grid-ionization chamber coupled with a $\mathrm{Δ}E−E$ charged particle telescope. We find that the fragment mass dependency o...

[Phys. Rev. C 96, 034611] Published Tue Sep 19, 2017

Predictions of characteristics of prompt-fission $γ$-ray spectra from the $n+^{238}\mathrm{U}$ reaction up to ${E}_{n}=20\phantom{\rule{0.16em}{0ex}}\mathrm{MeV}$


Author(s): A. Oberstedt, R. Billnert, and S. Oberstedt

Systematics from 2001, describing prompt-fission $γ$-ray spectra (PFGS) characteristics as a function of mass and atomic number of the fissioning system, was revisited and parameters were revised, based on recent experimental results. Although originally expressed for spontaneous and thermal-neutron...

[Phys. Rev. C 96, 034612] Published Tue Sep 19, 2017

Synthesis of $^{292−303}119$ superheavy elements using Ca- and Ti-induced reactions


Author(s): K. P. Santhosh and V. Safoora

The synthesis of superheavy element $Z=119$ in the fusion evaporation reactions $^{42,44,46,48}\mathrm{Ca}+^{252−255}\mathrm{Es}$ and $^{46−50}\mathrm{Ti}+^{246−249}\mathrm{Bk}$ in the $3n$-, $4n$-, and $5n$-channels leading to $^{294−303}119$ and $^{292−299}119$, respectively, is evaluated. It is o...

[Phys. Rev. C 96, 034610] Published Mon Sep 18, 2017

Statistical ensembles and fragmentation of finite nuclei


Author(s): P. Das, S. Mallik, and G. Chaudhuri

Statistical models based on different ensembles are very commonly used to describe the nuclear multifragmentation reaction in heavy ion collisions at intermediate energies. Canonical model results are more appropriate for finite nuclei calculations while those obtained from the grand canonical ones ...

[Phys. Rev. C 96, 034609] Published Fri Sep 15, 2017

Fusion and quasifission studies for the $^{40}\mathrm{Ca}+^{186}\mathrm{W},^{192}\mathrm{Os}$ reactions


Author(s): E. Prasad, D. J. Hinde, E. Williams, M. Dasgupta, I. P. Carter, K. J. Cook, D. Y. Jeung, D. H. Luong, C. S. Palshetkar, D. C. Rafferty, K. Ramachandran, C. Simenel, and A. Wakhle

Background: All elements above atomic number 113 have been synthesized using hot fusion reactions with calcium beams on statically deformed actinide target nuclei. Quasifission and fusion-fission are the two major mechanisms responsible for the very low production cross sections of superheavy elemen...

[Phys. Rev. C 96, 034608] Published Thu Sep 14, 2017

Unexpected neutron/proton ratio and isospin effect in low-energy antiproton-induced reactions


Author(s): Zhao-Qing Feng

The inclusive spectra of pre-equilibrium nucleons produced in low-energy antiproton-nucleus collisions are thoroughly investigated within the the Lanzhou quantum molecular dynamics transport approach for the first time. The reaction channels of elastic scattering, annihilation, charge exchange, and ...

[Phys. Rev. C 96, 034607] Published Wed Sep 13, 2017

Relativistic effects in heavy-ion Coulomb scattering


Author(s): Ravinder Kumar, C. A. Bertulani, and G. Robinson

The role of relativistic corrections in heavy-ion Coulomb scattering at intermediate energies (${E}_{\text{lab}}≳50$ MeV/nucleon) is investigated by numerically solving a full set of coupled equations. We compare two methods: (a) one involving an exact account of interaction retardation and (b) a me...

[Phys. Rev. C 96, 034605] Published Tue Sep 12, 2017

From bare to renormalized order parameter in gauge space: Structure and reactions


Author(s): G. Potel, A. Idini, F. Barranco, E. Vigezzi, and R. A. Broglia

It is not physically obvious why one can calculate with similar accuracy, as compared to the experimental data, the absolute cross section associated with two-nucleon transfer processes between members of pairing rotational bands, making use of simple BCS (constant matrix elements) or of many-body [...

[Phys. Rev. C 96, 034606] Published Tue Sep 12, 2017

Three-nucleon interaction in heavy-ion collisions at intermediate energies


Author(s): R. Wada

The effect of a three-nucleon ($3N$) interaction is studied for the production of high energy protons in heavy-ion collisions in the incident energy range of 44 to $400\phantom{\rule{0.16em}{0ex}}A\phantom{\rule{0.16em}{0ex}}\mathrm{MeV}$. The $3N$ interaction is incorporated into the antisymmetrize...

[Phys. Rev. C 96, 031601(R)] Published Tue Sep 05, 2017

Langevin model of low-energy fission


Author(s): Arnold J. Sierk

Background: Since the earliest days of fission, stochastic models have been used to describe and model the process. For a quarter century, numerical solutions of Langevin equations have been used to model fission of highly excited nuclei, where microscopic potential-energy effects have been neglecte...

[Phys. Rev. C 96, 034603] Published Tue Sep 05, 2017

Discovery of new isotopes $^{81,82}\mathrm{Mo}$ and $^{85,86}\mathrm{Ru}$ and a determination of the particle instability of ${}^{\mathbf{103}}\mathbf{Sb}$


Author(s): H. Suzuki et al.

A search for new proton-rich isotopes using projectile fragmentation of a 345-MeV/nucleon $^{124}\mathrm{Xe}$ beam has been performed with the BigRIPS in-flight separator at the RIKEN Nishina Center RI Beam Factory. Projectile fragments were identified by measuring the time of flight, magnetic rigid...

[Phys. Rev. C 96, 034604] Published Tue Sep 05, 2017

Phase-shift parametrization and extraction of asymptotic normalization constants from elastic-scattering data


Author(s): O. L. Ramírez Suárez and J.-M. Sparenberg

We introduce a simplified effective-range function for charged nuclei, related to the modified $K$ matrix but differing from it in several respects. Negative-energy zeros of this function correspond to bound states. Positive-energy zeros correspond to resonances and “echo poles” appearing in elastic...

[Phys. Rev. C 96, 034601] Published Fri Sep 01, 2017

Semiclassical calculations for the $^{156}\mathrm{Gd}$ (p,d) reaction


Author(s): Hafez A. Radi, John O. Rasmussen, and Raul J. Donangelo

Numerical semiclassical calculations are carried out to study the angular distribution of deuterons from the p,d pickup reaction of 25 MeV protons incident on the nucleus $^{156}\mathrm{Gd}$ and also its proton elastic scattering. It is found that, due to the rapid fall of the real optical potential...

[Phys. Rev. C 96, 034602] Published Fri Sep 01, 2017

Constraining the calculation of $^{234,236,238}\mathrm{U}(n,γ)$ cross sections with measurements of the $γ$-ray spectra at the DANCE facility


Author(s): J. L. Ullmann, T. Kawano, B. Baramsai, T. A. Bredeweg, A. Couture, R. C. Haight, M. Jandel, J. M. O'Donnell, R. S. Rundberg, D. J. Vieira, J. B. Wilhelmy, M. Krtička, J. A. Becker, A. Chyzh, C. Y. Wu, and G. E. Mitchell

The cross section for neutron capture in the continuum region has been difficult to calculate accurately. Previous results for $^{238}\mathrm{U}$ show that including an $M1$ scissors-mode contribution to the photon strength function resulted in very good agreement between calculation and measurement...

[Phys. Rev. C 96, 024627] Published Thu Aug 31, 2017

Transport properties of isospin asymmetric nuclear matter using the time-dependent Hartree-Fock method


Author(s): A. S. Umar, C. Simenel, and W. Ye

Background: The study of deep-inelastic reactions of nuclei provides a vehicle to explore nuclear transport phenomena for a full range of equilibration dynamics. These investigations provide us the ingredients to model such phenomena and help answer important questions about the nuclear equation of ...

[Phys. Rev. C 96, 024625] Published Wed Aug 30, 2017

Role of different parts of the nucleon-nucleon potential on fragment production in asymmetric collisions and their rapidity dependence


Author(s): Manpreet Kaur, Mandeep Kaur, and Varinderjit Kaur

The role of different parts of the nucleon-nucleon (NN) interaction potential on the production of light- and intermediate-mass fragments in different mass asymmetric reactions $^{120}\mathrm{Sn}+^{120}\mathrm{Sn}$ ($η=0$), $^{82}\mathrm{Kr}+^{158}\mathrm{Gd}$ ($η=0.3$), $^{56}\mathrm{Fe}+^{184}\mat...

[Phys. Rev. C 96, 024626] Published Wed Aug 30, 2017

Measurement of charge- and mass-changing cross sections for $^{4}\mathrm{He}+^{12}\mathrm{C}$ collisions in the energy range 80–220 MeV/u for applications in ion beam therapy


Author(s): Felix Horst, Christoph Schuy, Uli Weber, Kai-Thomas Brinkmann, and Klemens Zink

$^{4}\mathrm{He}$ ions are considered to be used for hadron radiotherapy due to their favorable physical and radiobiological properties. For an accurate dose calculation the fragmentation of the primary $^{4}\mathrm{He}$ ions occurring as a result of nuclear collisions must be taken into account. Th...

[Phys. Rev. C 96, 024624] Published Tue Aug 29, 2017