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Published: 2017-11-17T23:02:08+00:00
2017-11-03T10:00:00+00:00
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. VernotteThe 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...
2017-10-30T10:00:00+00:00
Author(s): Kazuyuki SekizawaMultinucleon 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...
2017-10-30T10:00:00+00:00
Author(s): Deepak Kumar and Moumita MaitiBackground: 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...
2017-10-26T10:00:00+00:00
Author(s): S. Q. Guo, Y. Gao, J. Q. Li, and H. F. ZhangThe 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...
2017-10-26T10:00:00+00:00
Author(s): Krishichayan, M. Bhike, W. Tornow, A. P. Tonchev, and T. KawanoThe 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...
2017-10-24T10:00:00+00:00
Author(s): B. Nedaee-Shakarab, M. Saadati-Niari, and F. ZolfagharpourCoherent 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 ...
2017-10-24T10:00:00+00:00
Author(s): Zhimin Wang, Huaiyong Bai, Luyu Zhang, Haoyu Jiang, Yi Lu, Jinxiang Chen, Guohui Zhang, Yu. M. Gledenov, M. V. Sedysheva, and G. KhuukhenkhuuCross 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...
2017-10-24T10:00:00+00:00
Author(s): Zhimin Wang, Huaiyong Bai, Luyu Zhang, Haoyu Jiang, Yi Lu, Jinxiang Chen, Guohui Zhang, Yu. M. Gledenov, M. V. Sedysheva, and G. KhuukhenkhuuCross 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 ...
2017-10-23T10:00:00+00:00
Author(s): Junhua Luo, Li Jiang, and Suyuan LiThe $^{153}\mathrm{Eu}(n,2n)^{152}\mathrm{Eu}^{\mathrm{m}1,\mathrm{m}2,g}$ 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...
2017-10-23T10:00:00+00:00
Author(s): Yin Xia, Jun Xu, Bao-An Li, and Wen-Qing ShenWe 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...
2017-10-19T10:00:00+00:00
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. KailasThe 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 $...
2017-10-18T10:00:00+00:00
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. LubianRecently, 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...
2017-10-18T10:00:00+00:00
Author(s): K. P. Santhosh and C. NithyaThe $α$-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...
2017-10-18T10:00:00+00:00
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. PrasadAn 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...
2017-10-18T10:00:00+00:00
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...
2017-10-16T10:00:00+00:00
Author(s): V. Avrigeanu and M. AvrigeanuBackground: 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...
2017-10-16T10:00:00+00:00
Author(s): H. Paşca, Sh. A. Kalandarov, G. G. Adamian, and N. V. AntonenkoThe 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 ...
2017-10-12T10:00:00+00:00
Author(s): Ashok Tiwari, C. Zhang, D.-M. Mei, and P. CushmanAnnual 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...
2017-10-11T10:00:00+00:00
Author(s): T. N. Nag, R. Tripathi, S. Sodaye, K. Sudarshan, K. Ramachandran, B. K. Nayak, and P. K. PujariBackground: 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...
2017-10-10T10:00:00+00:00
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. MohantyThe 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 ...
2017-10-09T10:00:00+00:00
Author(s): Gao-Chan YongPion 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...
2017-10-09T10:00:00+00:00
Author(s): V. Varlamov, B. Ishkhanov, and V. OrlinThere 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 ...
2017-10-06T10:00:00+00:00
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. GorielyPhotoneutron 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...
2017-10-04T10:00:00+00:00
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. ZagattoBackground: 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...
2017-10-02T10:00:00+00:00
Author(s): Adam Freese, Daniel Puentes, Shankar Adhikari, Rafael Badui, Lei Guo, and Brian RaueWe 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...
2017-10-02T10:00:00+00:00
Author(s): Basudeb Sahu and Swagatika BhoiThe 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 ($S$...
2017-09-29T10:00:00+00:00
Author(s): Bharat Kumar, M. T. Senthil Kannan, M. Balasubramaniam, B. K. Agrawal, and S. K. PatraWe 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...
2017-09-27T10:00:00+00:00
Author(s): Guillaume Scamps and Yukio HashimotoThe 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...
2017-09-27T10:00:00+00:00
Author(s): H. Eslamizadeh and E. AhadiThe 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...
2017-09-27T10:00:00+00:00
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...
2017-09-26T10:00:00+00:00
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. KailasFusion 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...
2017-09-25T10:00:00+00:00
Author(s): K. P. Santhosh and Indu SukumaranHalf-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...
2017-09-22T10:00:00+00:00
Author(s): Swapan DasThe 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...
2017-09-22T10:00:00+00:00
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...
2017-09-22T10:00:00+00:00
Author(s): D. Cabrera, A. N. Hiller Blin, M. J. Vicente Vacas, and P. Fernández de CórdobaWe 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...
2017-09-21T10:00:00+00:00
Author(s): Neeraj Kumar, Shabnam Mohsina, Jhilam Sadhukhan, and Shashi VermaThe 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...
2017-09-21T10:00:00+00:00
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. ZervaThe 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...
2017-09-20T10:00:00+00:00
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 PalBackground: 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...
2017-09-19T10:00:00+00:00
Author(s): Taofeng Wang, Guangwu Li, Liping Zhu, Or Hen, Gaolong Zhang, Qinghua Meng, Liming Wang, Hongyin Han, and Haihong XiaMeasurements 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...
2017-09-19T10:00:00+00:00
Author(s): A. Oberstedt, R. Billnert, and S. OberstedtSystematics 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...
2017-09-18T10:00:00+00:00
Author(s): K. P. Santhosh and V. SafooraThe 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...
2017-09-15T10:00:00+00:00
Author(s): P. Das, S. Mallik, and G. ChaudhuriStatistical 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 ...
2017-09-14T10:00:00+00:00
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. WakhleBackground: 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...
2017-09-13T10:00:00+00:00
Author(s): Zhao-Qing FengThe 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 ...
2017-09-12T10:00:00+00:00
Author(s): Ravinder Kumar, C. A. Bertulani, and G. RobinsonThe 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...
2017-09-12T10:00:00+00:00
Author(s): G. Potel, A. Idini, F. Barranco, E. Vigezzi, and R. A. BrogliaIt 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 [...
2017-09-05T10:00:00+00:00
Author(s): R. WadaThe 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...
2017-09-05T10:00:00+00:00
Author(s): Arnold J. SierkBackground: 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...
2017-09-05T10:00:00+00:00
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...
2017-09-01T10:00:00+00:00
Author(s): O. L. Ramírez Suárez and J.-M. SparenbergWe 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...
2017-09-01T10:00:00+00:00
Author(s): Hafez A. Radi, John O. Rasmussen, and Raul J. DonangeloNumerical 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...
2017-08-31T10:00:00+00:00
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. MitchellThe 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...
2017-08-30T10:00:00+00:00
Author(s): A. S. Umar, C. Simenel, and W. YeBackground: 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 ...
2017-08-30T10:00:00+00:00
Author(s): Manpreet Kaur, Mandeep Kaur, and Varinderjit KaurThe 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 $^{120}\mathrm{Sn}+^{120}\mathrm{Sn}$ ($η=0$), $^{82}\mathrm{Kr}+^{158}\mathrm{Gd}$ ($η=0.3$), $^{56}\mathrm{Fe}+^{184}\mat...
2017-08-29T10:00:00+00:00
Author(s): Felix Horst, Christoph Schuy, Uli Weber, Kai-Thomas Brinkmann, and Klemens Zink$^{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...
2017-08-28T10:00:00+00:00
Author(s): M. E. Gooden, T. A. Bredeweg, B. Champine, D. C. Combs, S. Finch, A. Hayes-Sterbenz, E. Henry, Krishichayan, R. Rundberg, W. Tornow, J. Wilhelmy, and C. YeamansAt the National Ignition Facility, experiments are being performed to measure charged-particle stopping powers in the previously unexplored warm dense plasma regime. These measurements are done using reaction-in-flight (RIF) neutrons from an inertial confinement fusion system. RIF neutrons are produ...
2017-08-28T10:00:00+00:00
Author(s): A. M. Mukhamedzhanov, Shubhchintak, and C. A. BertulaniIn this paper we discuss the $R$-matrix approach to treat the subthreshold resonances for the single-level and one-channel and for the single-level and two-channel cases. In particular, the expression relating the asymptotic normalization coefficient (ANC) with the observable reduced width, when the...
2017-08-25T10:00:00+00:00
Author(s): Yongli Xu, Hairui Guo, Yinlu Han, and Qingbiao ShenThe extended Skyrme interaction involving additional momentum- and density-dependent terms is adopted to uniformly describe the properties of nuclear matter and finite nuclei, as well as the nuclear reaction properties. A new set of extended Skyrme interaction parameters is constructed by simultaneo...
2017-08-24T10:00:00+00:00
Author(s): B. Baramsai, M. Jandel, T. A. Bredeweg, E. M. Bond, A. R. Roman, G. Rusev, C. L. Walker, A. Couture, S. Mosby, J. M. O'Donnell, J. L. Ullmann, and T. KawanoThe $^{236}\mathrm{U}(n,γ)$ reaction cross section has been measured for the incident neutron energy range from 10 eV to 800 keV by using the Detector for Advanced Neutron Capture Experiments (DANCE) $γ$-ray calorimeter at the Los Alamos Neutron Science Center. The cross section was determined with ...
2017-08-23T10:00:00+00:00
Author(s): E. F. Aguilera, E. Martinez-Quiroz, P. Amador-Valenzuela, D. Lizcano, A. García-Flores, J. J. Kolata, A. Roberts, G. V. Rogachev, G. F. Peaslee, V. Guimarães, F. D. Becchetti, A. Villano, M. Ojaruega, Y. Chen, H. Jiang, M. Febbraro, P. A. DeYoung, and T. L. BelyaevaEvaporation-proton yields were measured for the fusion of the weakly bound nucleus $^{6}\mathrm{Li}$ on a $^{58}\mathrm{Ni}$ target at six near- or sub-barrier bombarding energies. Effects of the one-neutron transfer reaction were estimated and corrections made. Total-fusion cross sections were dedu...
2017-08-23T10:00:00+00:00
Author(s): A. V. Karpov and V. V. SaikoBackground: Multinucleon transfer in low-energy nucleus-nucleus collisions is proposed as a method of production of yet-unknown neutron-rich nuclei hardly reachable by other methods.
2017-08-23T10:00:00+00:00
Author(s): A. Negret, M. Sin, C. Borcea, R. Capote, Ph. Dessagne, M. Kerveno, N. Nankov, A. Olacel, A. J. M. Plompen, and C. RoukiA neutron inelastic scattering experiment was performed on an enriched $^{57}\mathrm{Fe}$ sample at the Geel Electron Linear Accelerator neutron source using the Gamma Array for Neutron Inelastic Scattering spectrometer. Several $γ$-production cross sections were determined, but the first transition...
2017-08-21T10:00:00+00:00
Author(s): Xuwei Sun and Dinghui LuThe finite-amplitude method is a feasible numerical approach to large scale random phase approximation calculations. It avoids the storage and calculation of residual interaction elements as well as the diagonalization of the RPA matrix, which will be prohibitive when the configuration space is huge...
2017-08-21T10:00:00+00:00
Author(s): ShubhchintakUsing a fully quantum mechanical post-form finite-range distorted-wave Born approximation theory of Coulomb breakup, I study the parallel momentum distribution of the core in the Coulomb breakup of suggested excited-state one-neutron halo nuclei considered in their different bound excited states. Na...
2017-08-18T10:00:00+00:00
Author(s): M. Febbraro, F. D. Becchetti, R. O. Torres-Isea, J. Riggins, C. C. Lawrence, J. J. Kolata, and A. M. HowardThe $(d,n)$ reaction has been studied with targets of $^{9}\mathrm{Be}, ^{11}\mathrm{B}, ^{13}\mathrm{C}, ^{14,15}\mathrm{N}$, and $^{19}\mathrm{F}$ at ${E}_{d}=16\phantom{\rule{0.16em}{0ex}}\mathrm{MeV}$ using a deuterated liquid-scintillator array. Advanced spectral unfolding techniques with accur...
2017-08-17T10:00:00+00:00
Author(s): M. R. Mumpower, T. Kawano, J. L. Ullmann, M. Krtička, and T. M. SprouseRadiative neutron capture is an important nuclear reaction whose accurate description is needed for many applications ranging from nuclear technology to nuclear astrophysics. The description of such a process relies on the Hauser-Feshbach theory which requires the nuclear optical potential, level de...
2017-08-15T10:00:00+00:00
Author(s): K. Wei (魏康) and H. F. Zhang (张鸿飞)The concept of cluster radioactivity has been extended to allow emitted particles with ${Z}_{C}>28$ for superheavy nuclei by nuclear theory [Poenaru et al., Phys. Rev. Lett. 107, 062503 (2011)]. The preformation and emission mechanics of heavy-ion particles must be examined again before the fasc...
2017-08-14T10:00:00+00:00
Author(s): S. Ayik, B. Yilmaz, O. Yilmaz, A. S. Umar, and G. TuranQuantal diffusion mechanism of nucleon exchange is studied in the central collisions of $^{238}\mathrm{U}+^{238}\mathrm{U}$ in the framework of the stochastic mean-field (SMF) approach. For bombarding energies considered in this work, the dinuclear structure is maintained during the collision. Hence...
2017-08-10T10:00:00+00:00
Author(s): Kosho Minomo, Michio Kohno, Kazuki Yoshida, and Kazuyuki OgataWe propose to use proton knockout reactions $(p,2p)$ from a deeply bound orbit as a new probe into three-nucleon-force (3NF) effects. The remarkable advantage of using $(p,2p)$ reaction is that we can choose an appropriate kinematical condition to probe the 3NF effects. We analyze $(p,2p)$ reactions...
2017-08-10T10:00:00+00:00
Author(s): Xiao Jun Bao (包小军), Shu Qing Guo (郭树青), Hong Fei Zhang (张鸿飞), and Jun Qing Li (李君清)The dependence of the evaporation residue cross section (ERCS) to produce superheavy nuclei (SHN) on the entrance channel of colliding nuclei is analyzed within the dinuclear system concept. The ERCS for the hot fusion reactions are investigated systematically and compared with existing experimental...
2017-08-09T10:00:00+00:00
Author(s): S. Ohkubo, Y. Hirabayashi, and A. A. OgloblinThe existence of a supernumerary nuclear rainbow in inelastic scattering is reported. This is done by studying inelastic $^{16}\mathrm{O}$ scattering from $^{12}\mathrm{C}$, exciting the ${2}^{+}$ (4.44 MeV) state of $^{12}\mathrm{C}$ and elastic scattering at the incident energies in the range 124–...
2017-08-09T10:00:00+00:00
Author(s): Rajnikant Makwana, S. Mukherjee, P. Mishra, H. Naik, N. L. Singh, M. Mehta, K. Katovsky, S. V. Suryanarayana, V. Vansola, Y. Santhi Sheela, M. Karkera, R. Acharya, and S. KhirwadkarThe cross sections of the $^{186}\mathrm{W}(n,γ)^{187}\mathrm{W}, ^{183}\mathrm{W}(n,p)^{183}\mathrm{Ta}$ and $^{154}\mathrm{Gd}(n,2n)^{153}\mathrm{Gd}, ^{160}\mathrm{Gd}(n,2n)^{159}\mathrm{Gd}$ reactions were measured at the neutron energies $5.08±0.165, 8.96±0.77, 12.47±0.825$, and $16.63±0.95\pha...
2017-08-07T10:00:00+00:00
Author(s): Long Zhu, Feng-Shou Zhang, Pei-Wei Wen, Jun Su, and Wen-Jie XieThe multinucleon transfer reactions $^{124,136,144}\mathrm{Xe}\phantom{\rule{0.16em}{0ex}}+\phantom{\rule{0.16em}{0ex}}^{238}\mathrm{U}, ^{136,144}\mathrm{Xe}\phantom{\rule{0.16em}{0ex}}+\phantom{\rule{0.16em}{0ex}}^{160}\mathrm{Gd}, ^{136,144}\mathrm{Xe}\phantom{\rule{0.16em}{0ex}}+\phantom{\rule{0...
2017-08-02T10:00:00+00:00
Author(s): David Denis-Petit, Gilbert Gosselin, Fazia Hannachi, Medhi Tarisien, Thomas Bonnet, Maxime Comet, Franck Gobet, Maud Versteegen, Pascal Morel, Vincent Méot, and Iolanda MateaOne promising candidate for the first detection of nuclear excitation in plasma is the 463-keV, 20.26-min-lifetime isomeric state in $^{84}\mathrm{Rb}$, which can be excited via a 3.5-keV transition to a higher lying state. According to our preliminary calculations, under specific plasma conditions,...
2017-08-02T10:00:00+00:00
Author(s): W. Horiuchi, S. Hatakeyama, S. Ebata, and Y. SuzukiLow-lying electric-dipole ($E1$) strength of a neutron-rich nucleus contains information on neutron-skin thickness, deformation, and shell evolution. We discuss the possibility of making use of total reaction cross sections on $^{40}\mathrm{Ca}, ^{120}\mathrm{Sn}$, and $^{208}\mathrm{Pb}$ targets to...
2017-08-01T10:00:00+00:00
Author(s): Jun Su, Long Zhu, Ching-Yuan Huang, Wen-Jie Xie, and Feng-Shou ZhangThe isospin mixing between projectile and target in central $^{96}\mathrm{Ru}(^{96}\mathrm{Zr})+^{96}\mathrm{Zr}(^{96}\mathrm{Ru})$ collisions at 50 to 400 MeV/nucleon is investigated within the isospin-dependent quantum molecular dynamics model in combination with the statistical decay code gemini....
2017-08-01T10:00:00+00:00
Author(s): B. H. Daub, D. L. Bleuel, M. Wiedeking, L. A. Bernstein, N. M. Brickner, J. A. Brown, B. L. Goldblum, K. S. Holliday, J. Lundgren, and K. MoodyResidual gold nuclei were produced via neutron transfer at multiple energies using a 130-MeV $^{13}\mathrm{C}$ beam incident on a stacked-foil target consisting of alternating layers of $^{197}\mathrm{Au}$ and $^{27}\mathrm{Al}$. Production cross sections, over an energy range of 56 to 129 MeV, for ...
2017-08-01T10:00:00+00:00
Author(s): A. Pal, S. Santra, D. Chattopadhyay, A. Kundu, K. Ramachandran, R. Tripathi, B. J. Roy, T. N. Nag, Y. Sawant, D. Sarkar, B. K. Nayak, A. Saxena, and S. KailasBackground: Experimental anisotropy in fission-fragment (FF) angular distribution in reactions involving weakly bound stable projectiles with actinide targets are enhanced compared to statistical saddle-point model (SSPM) predictions. Contributions from breakup- or transfer-induced fission to total ...
2017-07-31T10:00:00+00:00
Author(s): A. Olacel, F. Belloni, C. Borcea, M. Boromiza, P. Dessagne, G. Henning, M. Kerveno, A. Negret, M. Nyman, E. Pirovano, and A. J. M. PlompenThe results of a neutron inelastic scattering experiment performed at the Geel Electron Linear Accelerator pulsed white neutron source of the European Commission Joint Research Centre are reported. The neutrons with energies up to 18 MeV interacted with a $^{\mathrm{nat}}\mathrm{Ti}$ sample and the ...
2017-07-28T10:00:00+00:00
Author(s): P. R. Fraser, K. Massen-Hane, A. S. Kadyrov, K. Amos, I. Bray, and L. CantonFour light-mass nuclei are considered by an effective two-body clusterization method: $^{7}\mathrm{Li}$ as $^{3}\mathrm{H}+^{4}\mathrm{He},^{7}\mathrm{Be}$ as $^{3}\mathrm{He}+^{4}\mathrm{He},^{8}\mathrm{Be}$ as $^{4}\mathrm{He}+^{4}\mathrm{He}$, and $^{6}\mathrm{Li}$ as $^{2}\mathrm{H}+^{4}\mathrm{...
2017-07-28T10:00:00+00:00
Author(s): Arshiya Sood, Pushpendra P. Singh, Rudra N. Sahoo, Pawan Kumar, Abhishek Yadav, Vijay R. Sharma, Mohd. Shuaib, Manoj K. Sharma, Devendra P. Singh, Unnati Gupta, R. Kumar, S. Aydin, B. P. Singh, H. J. Wollersheim, and R. PrasadBackground: Fission has been found to be a dominating mode of deexcitation in heavy-ion induced reactions at high excitation energies. The phenomenon of heavy-ion induced fission has been extensively investigated with highly fissile actinide nuclei, yet there is a dearth of comprehensive understandi...
2017-07-27T10:00:00+00:00
Author(s): Tathagata Banerjee, S. Nath, A. Jhingan, N. Saneesh, Mohit Kumar, Abhishek Yadav, Gurpreet Kaur, R. Dubey, M. Shareef, P. V. Laveen, A. Shamlath, Md. Moin Shaikh, S. Biswas, J. Gehlot, K. S. Golda, P. Sugathan, and Santanu PalFission fragment angular distributions for three reactions, $^{19}\mathrm{F}+^{182}\mathrm{W},^{19}\mathrm{F}+^{187}\mathrm{Re}$, and $^{19}\mathrm{F}+^{193}\mathrm{Ir}$, are measured in the laboratory energy range of 82–120 MeV. Extracted fission cross sections of the present systems as well as tho...
2017-07-26T10:00:00+00:00
Author(s): Deepak Kumar, Moumita Maiti, and Susanta LahiriBackground: Several investigations on the complete-incomplete fusion (CF-ICF) dynamics of $α$-cluster well-bound nuclei have been contemplated above the Coulomb barrier $(∼4$–7 MeV/nucleon) in recent years. It is therefore expected to observe significant ICF over CF in the reactions induced by a wea...
2017-07-24T10:00:00+00:00
Author(s): Kazuyuki SekizawaBackground: At the forefront of the nuclear science, production of new neutron-rich isotopes is continuously pursued at accelerator laboratories all over the world. To explore the currently unknown territories in the nuclear chart far away from the stability, reliable theoretical predictions are ine...
2017-07-24T10:00:00+00:00
Author(s): S. R. Souza, M. B. Tsang, and R. DonangeloWe investigate correlations in the fragment momentum distribution owing to the propagation of fragments under the influence of their mutual Coulomb field after the breakup of an excited nuclear source. The magnitude of the effects on the nuclear temperatures obtained from such distributions is estim...
2017-07-21T10:00:00+00:00
Author(s): Khushboo, S. Mandal, S. Nath, N. Madhavan, J. Gehlot, A. Jhingan, Neeraj Kumar, Tathagata Banerjee, Gurpreet Kaur, K. Rojeeta Devi, A. Banerjee, Neelam, T. Varughese, Davinder Siwal, R. Garg, Ish Mukul, M. Saxena, S. Verma, S. Kumar, B. R. Behera, and P. VermaBackground: It is a well established fact that nuclear deformation and vibration influence fusion dynamics around the Coulomb barrier. This effect was observed for several systems with the inclusion of inelastic excitations in coupled-channels calculations. Sub-barrier fusion cross sections were als...
2017-07-18T10:00:00+00:00
Author(s): Stephen A. Graves, Paul A. Ellison, Hector F. Valdovinos, Todd E. Barnhart, Robert J. Nickles, and Jonathan W. EngleThe half-life of $^{51}\mathrm{Mn}$ was measured by serial gamma spectrometry of the 511-keV annihilation photon following decay by ${β}^{+}$ emission. Data were collected every 100 seconds for 100,000–230,000 seconds within each measurement ($n=4$). The 511-keV incidence rate was calculated from th...
2017-07-17T10:00:00+00:00
Author(s): Kai Wen and Takashi NakatsukasaCollective reaction paths for fusion reactions $^{16}\mathrm{O}+α→^{20}\mathrm{Ne}$ and $^{16}\mathrm{O}+^{16}\mathrm{O}→^{32}\mathrm{S}$ are microscopically determined on the basis of the adiabatic self-consistent collective coordinate (ASCC) method. The collective path is maximally decoupled from ...
2017-07-17T10:00:00+00:00
Author(s): Kacper Topolnicki, Jacek Golak, Roman Skibiński, and Henryk WitałaTo extend the applications of the so-called “three-dimensional” formalism to the description of three-nucleon scattering within the Faddeev formalism, we develop a general form of the three-nucleon scattering amplitude. This form significantly decreases the numerical complexity of the “three-dimensi...
2017-07-17T10:00:00+00:00
Author(s): J. R. Stone, P. Danielewicz, and Y. IwataBackground: The distribution of protons and neutrons in the matter created in heavy-ion collisions is one of the main points of interest for the collision physics, especially at supranormal densities. These distributions are the basis for predictions of the density dependence of the symmetry energy ...
2017-07-13T10:00:00+00:00
Author(s): B. J. McDermott, E. Blain, A. Daskalakis, N. Thompson, A. Youmans, H. J. Choun, W. Steinberger, Y. Danon, D. P. Barry, R. C. Block, B. E. Epping, G. Leinweber, and M. R. RappA new array of four Deuterated Benzene (${\mathrm{C}}_{6}{\mathrm{D}}_{6}$) detectors has been installed at the Gaerttner Linear Accelerator Center at Rensselaer Polytechnic Institute for the purpose of measuring neutron capture cross sections in the keV region. Measurements were performed on sample...
2017-07-13T10:00:00+00:00
Author(s): Y. K. Gupta, D. C. Biswas, O. Serot, D. Bernard, O. Litaize, S. Julien-Laferrière, A. Chebboubi, G. Kessedjian, C. Sage, A. Blanc, H. Faust, U. Köster, A. Ebran, L. Mathieu, A. Letourneau, T. Materna, and S. PanebiancoThe fission fragment yield distribution has been measured in the $^{239}\mathrm{Pu}\left({n}_{\mathrm{th}},f\right)$ reaction in the mass region of $A=126$ to 150 using the Lohengrin recoil-mass spectrometer. Three independent experimental campaigns were performed, allowing a significant reduction o...
2017-07-13T10:00:00+00:00
Author(s): Juhee Hong, G. G. Adamian, and N. V. AntonenkoThe possibilities of direct production of new isotopes of transfermium nuclei $^{261,263,264}\mathrm{No}$, $^{263,264}\mathrm{Lr}$, $^{263,264,266,268}\mathrm{Rf}$, $^{264,265}\mathrm{Db}$, and $^{267,268,270,272}\mathrm{Sg}$ are studied in various asymmetric hot fusion-evaporation reactions with ra...
2017-07-11T10:00:00+00:00
Author(s): A. S. MalginThe cosmogenic neutron yield ${Y}_{n}$ characterizes the ability of matter to produce neutrons under the effect of cosmic ray muons with spectrum and average energy corresponding to an observation depth. The yield is the basic characteristic of cosmogenic neutrons. The neutron production rate and ne...
2017-07-11T10:00:00+00:00
Author(s): M. R. Pahlavani and S. M. MirfathiNeutron multiplicity prior to scission and evaluation of mass distribution of fission fragments with the fission time scale for neutron induced fission of plutonium isotopes are investigated using a dynamical Langevin approach. Also, mass yield of fragments and prompt neutron multiplicity in differe...
2017-07-10T10:00:00+00:00
Author(s): T. Wakasa, J. Yasuda, M. Dozono, T. Fukunaga, S. Gotanda, K. Hatanaka, K. Ishibashi, Y. Kanaya, S. Kimura, Y. Maeda, Y. Maeda, Y. Nishio, T. Noro, T. Nozoe, K. Ohnaka, S. Sakaguchi, Y. Sakemi, K. Sekiguchi, T. Taguchi, and Y. WadaWe report measurements of cross sections and analyzing powers for nucleon-knockout $(\stackrel{⃗}{p},np)$ reactions of $^{2}\mathrm{H}, ^{6}\mathrm{Li}$, and $^{12}\mathrm{C}$ at 296 MeV using the RCNP NPOL3 neutron detector and large acceptance spectrometer. The $1s$ and $1p$ knockout reactions wer...
2017-07-07T10:00:00+00:00
Author(s): A. M. Stefanini, G. Montagnoli, H. Esbensen, P. Čolović, L. Corradi, E. Fioretto, F. Galtarossa, A. Goasduff, J. Grebosz, F. Haas, M. Mazzocco, N. Soić, E. Strano, and S. SzilnerBackground: Near- and sub-barrier fusion of various Ca + Zr isotopic combinations have been widely investigated. A recent analysis of $^{40}\mathrm{Ca}+^{96}\mathrm{Zr}$ data has highlighted the importance of couplings to multiphonon excitations and to both neutron and proton transfer channels. Anal...
2017-07-06T10:00:00+00:00
Author(s): Sergei P. Maydanyuk, Peng-Ming Zhang, and Li-Ping ZouWe generalize the theory of nuclear decay and capture of Gamow that is based on tunneling through the barrier and internal oscillations inside the nucleus. In our formalism an additional factor is obtained, which describes distribution of the wave function of the the $α$ particle inside the nuclear ...
2017-07-05T10:00:00+00:00
Author(s): S. J. Rose, F. Zeiser, J. N. Wilson, A. Oberstedt, S. Oberstedt, S. Siem, G. M. Tveten, L. A. Bernstein, D. L. Bleuel, J. A. Brown, L. Crespo Campo, F. Giacoppo, A. Görgen, M. Guttormsen, K. Hadyńska, A. Hafreager, T. W. Hagen, M. Klintefjord, T. A. Laplace, A. C. Larsen, T. Renstrøm, E. Sahin, C. Schmitt, T. G. Tornyi, and M. WiedekingPrompt-fission $γ$ rays are responsible for approximately 5% of the total energy released in fission, and therefore important to understand when modeling nuclear reactors. In this work we present prompt $γ$-ray emission characteristics in fission as a function of the nuclear excitation energy of the...
2017-06-30T10:00:00+00:00
Author(s): M. Q. Buckner, C. Y. Wu, R. A. Henderson, B. Bucher, N. Wimer, A. Chyzh, T. A. Bredeweg, B. Baramsai, A. Couture, M. Jandel, S. Mosby, and J. L. UllmannThe $^{242}\mathrm{Am}$ metastable isomer's neutron-induced destruction mechanisms were studied at the Los Alamos Neutron Science Center using the Detector for Advanced Neutron-Capture Experiments array with a compact parallel-plate avalanche counter. New $^{242\mathrm{m}}\mathrm{Am}$ neutron-captur...