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Preview: Recent Articles in Phys. Rev. C

Recent Articles in Phys. Rev. C

Recent articles in Physical Review C

Published: 2018-03-21T12:03:29+00:00


Shell-model-like approach based on cranking covariant density functional theory: Band crossing and shape evolution in $^{60}\mathrm{Fe}$


Author(s): Z. Shi (施智), Z. H. Zhang (张振华), Q. B. Chen (陈启博), S. Q. Zhang (张双全), and J. Meng (孟杰)

The shell-model-like approach is implemented to treat the cranking many-body Hamiltonian based on the covariant density functional theory including pairing correlations with exact particle number conservation. The self-consistency is achieved by iterating the single-particle occupation probabilities...

[Phys. Rev. C 97, 034317] Published Tue Mar 20, 2018

Constraints on Coulomb energy, neutron skin thickness in $^{208}\mathrm{Pb}$, and symmetry energy


Author(s): J. M. Dong, L. J. Wang, W. Zuo, and J. Z. Gu

The charge-symmetry-breaking (CSB) effect in a nuclear medium that gives rise to the first-order symmetry energy in finite nuclei is discussed in detail in the present paper. For heavy and superheavy nuclei with large neutron excesses, it should be nonnegligible in high-precision mass predictions, a...

[Phys. Rev. C 97, 034318] Published Tue Mar 20, 2018

Comparison of electromagnetic and nuclear dissociation of $^{17}\mathrm{Ne}$


Author(s): F. Wamers et al.

The Borromean drip-line nucleus $^{17}\mathrm{Ne}$ has been suggested to possess a two-proton halo structure in its ground state. In the astrophysical $rp$-process, where the two-proton capture reaction $^{15}\mathrm{O}(2p,γ)^{17}\mathrm{Ne}$ plays an important role, the calculated reaction rate dif...

[Phys. Rev. C 97, 034612] Published Tue Mar 20, 2018

Two-nucleon emitters within a pseudostate method: The case of $^{6}\mathrm{Be}$ and $^{16}\mathrm{Be}$


Author(s): J. Casal

Background: Since the first experimental observation, two-nucleon radioactivity has gained renewed attention since the early 2000s. The $^{6}\mathrm{Be}$ system is the lightest two-proton ground-state emitter, while $^{16}\mathrm{Be}$ was recently proposed to be the first two-neutron ground-state em...

[Phys. Rev. C 97, 034613] Published Tue Mar 20, 2018

Dynamical and many-body correlation effects in the kinetic energy spectra of isotopes produced in nuclear multifragmentation


Author(s): S. R. Souza, R. Donangelo, W. G. Lynch, and M. B. Tsang

The properties of the kinetic energy spectra of light isotopes produced in the breakup of a nuclear source and during the de-excitation of its products are examined. The initial stage, at which the hot fragments are created, is modeled by the statistical multifragmentation model, whereas the Weissko...

[Phys. Rev. C 97, 034614] Published Tue Mar 20, 2018

Effect of isospin diffusion on the production of neutron-rich nuclei in multinucleon transfer reactions


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

The isospin dissipation dynamics in multinucleon transfer reactions has been investigated within the dinuclear system model. Production cross sections of neutron-rich isotopes around projectile-like and target-like fragments are estimated in collisions of $^{58,64}\mathrm{Ni}+^{208}\mathrm{Pb}$ and ...

[Phys. Rev. C 97, 034609] Published Mon Mar 19, 2018

Cluster correlation and fragment emission in $^{12}\mathrm{C}+^{12}\mathrm{C}$ at 95 MeV/nucleon


Author(s): G. Tian, Z. Chen, R. Han, F. Shi, F. Luo, Q. Sun, L. Song, X. Zhang, G. Q. Xiao, R. Wada, and A. Ono

The impact of cluster correlations has been studied in the intermediate mass fragment (IMF) emission in $^{12}\mathrm{C}+^{12}\mathrm{C}$ at 95 MeV/nucleon, using antisymmetrized molecular dynamics (AMD) model simulations. In AMD, the cluster correlation is introduced as a process to form light clus...

[Phys. Rev. C 97, 034610] Published Mon Mar 19, 2018

Folding model analyses of $^{12}\mathrm{C}\text{−}^{12}\mathrm{C}$ and $^{16}\mathrm{O}\text{−}^{16}\mathrm{O}$ elastic scattering using the density-dependent LOCV-averaged effective interaction


Author(s): M. Rahmat and M. Modarres

The averaged effective two-body interaction (AEI), which can be generated through the lowest order constrained variational (LOCV) method for symmetric nuclear matter (SNM) with the input [Reid68, Ann. Phys. 50, 411 (1968)] nucleon-nucleon potential, is used as the effective nucleon-nucleon potential...

[Phys. Rev. C 97, 034611] Published Mon Mar 19, 2018

Predictions for multiplicities and flow harmonics in 5.44 TeV Xe+Xe collisions at the CERN Large Hadron Collider


Author(s): K. J. Eskola, H. Niemi, R. Paatelainen, and K. Tuominen

We present the event-by-event next-to-leading-order perturbative-QCD + saturation + viscous hydrodynamics (EKRT) model predictions for the centrality dependence of the charged hadron multiplicity in the pseudorapidity interval $|η|≤0.5$, and for the centrality dependence of the charged hadron flow h...

[Phys. Rev. C 97, 034911] Published Mon Mar 19, 2018

Signatures of $α$ clustering in ultrarelativistic collisions with light nuclei


Author(s): Maciej Rybczyński, Milena Piotrowska, and Wojciech Broniowski

We explore possible observable signatures of $α$ clustering of light nuclei in ultrarelativistic nuclear collisions involving $^{7,9}\mathrm{Be}$, $^{12}\mathrm{C}$, and $^{16}\mathrm{O}$. The clustering leads to specific spatial correlations of the nucleon distributions in the ground state, which a...

[Phys. Rev. C 97, 034912] Published Mon Mar 19, 2018

66.7-keV $γ$-line intensity of $^{171}\mathrm{Tm}$ determined via neutron activation


Author(s): M. Weigand, T. Heftrich, Ch. E. Düllmann, K. Eberhardt, S. Fiebiger, J. Glorius, K. Göbel, R. Haas, C. Langer, S. Lohse, R. Reifarth, D. Renisch, and C. Wolf

Background: About 50% of the heavy elements are produced in stars during the slow neutron capture process. The analysis of branching points allows to set constraints on the temperature and the neutron density in the interior of stars. The temperature dependence of the branch point $^{171}\mathrm{Tm}...

[Phys. Rev. C 97, 035803] Published Fri Mar 16, 2018

Hauser-Feshbach fission fragment de-excitation with calculated macroscopic-microscopic mass yields


Author(s): Patrick Jaffke, Peter Möller, Patrick Talou, and Arnold J. Sierk

The Hauser-Feshbach statistical model is applied to the de-excitation of primary fission fragments using input mass yields calculated with macroscopic-microscopic models of the potential energy surface. We test the sensitivity of the prompt fission observables to the input mass yields for two import...

[Phys. Rev. C 97, 034608] Published Thu Mar 15, 2018

Effects of bulk viscosity and hadronic rescattering in heavy ion collisions at energies available at the BNL Relativistic Heavy Ion Collider and at the CERN Large Hadron Collider


Author(s): Sangwook Ryu, Jean-François Paquet, Chun Shen, Gabriel Denicol, Björn Schenke, Sangyong Jeon, and Charles Gale

We describe ultrarelativistic heavy ion collisions at the BNL Relativistic Heavy Ion Collider and the CERN Large Hadron Collider with a hybrid model using the IP-Glasma model for the earliest stage and viscous hydrodynamics and microscopic transport for the later stages of the collision. We demonstr...

[Phys. Rev. C 97, 034910] Published Thu Mar 15, 2018

Exactly solvable configuration mixing scheme in the vibrational limit of the interacting boson model


Author(s): Feng Pan, Dongkang Li, Guoqing Cheng, Zheng Qiao, Jiachao Bai, and Jerry P. Draayer

An intruder configuration mixing scheme with $2n$-particle and $2n$-hole configurations from $n=0$ up to $n→∞$ in the U(5) (vibrational) limit of the interacting boson model is proposed. A simple Hamiltonian suitable to describe the intruder and normal configuration mixing is found to be exactly sol...

[Phys. Rev. C 97, 034316] Published Wed Mar 14, 2018

Neutron emission in $^{19}\mathrm{F}$-induced reactions


Author(s): Jaimin Acharya, S. Mukherjee, A. Chatterjee, N. L. Singh, K. Ramachandran, P. C. Rout, K. Mahata, Vishal Desai, E. T. Mirgule, S. V. Suryanarayana, B. K. Nayak, A. Saxena, and G. F. Steyn

We measured neutron emission spectra for $^{19}\mathrm{F}$-induced reactions on $^{181}\mathrm{Ta}$, $^{89}\mathrm{Y}$, and $^{51}\mathrm{V}$ at beam energies of 130, 140, 145, and 150 MeV. Measurements were made using liquid scintillator detectors at eight angles in the range of ${25}^{∘}−{143}^{∘}...

[Phys. Rev. C 97, 034607] Published Wed Mar 14, 2018

Structure of the exotic $^{9}\mathrm{He}$ nucleus from the no-core shell model with continuum


Author(s): Matteo Vorabbi, Angelo Calci, Petr Navrátil, Michael K. G. Kruse, Sofia Quaglioni, and Guillaume Hupin

Background: The exotic $^{9}\mathrm{He}$ nucleus, which presents one of the most extreme neutron-to-proton ratios, belongs to the $N=7$ isotonic chain famous for the phenomenon of ground-state parity inversion with decreasing number of protons. Consequently, it would be expected to have an unnatural...

[Phys. Rev. C 97, 034314] Published Tue Mar 13, 2018

Improved description of the $2νββ$-decay and a possibility to determine the effective axial-vector coupling constant


Author(s): Fedor Šimkovic, Rastislav Dvornický, Dušan Štefánik, and Amand Faessler

An improved formalism of the two-neutrino double-beta decay ($2νββ$-decay) rate is presented, which takes into account the dependence of energy denominators on lepton energies via the Taylor expansion. Until now, only the leading term in this expansion has been considered. The revised $2νββ$-decay r...

[Phys. Rev. C 97, 034315] Published Tue Mar 13, 2018

Investigating the quark flavor dependence of the chiral magnetic effect with a multiphase transport model


Author(s): Ling Huang, Chun-Wang Ma, and Guo-Liang Ma

Because the properties of the QCD phase transition and the chiral magnetic effect (CME) depend on the number of quark flavors (${N}_{f}$) and quark mass, relativistic heavy-ion collisions provide a natural environment to investigate the flavor features if quark deconfinement occurs. We introduce an ...

[Phys. Rev. C 97, 034909] Published Tue Mar 13, 2018

Precision half-life measurement of $^{11}\mathrm{C}$: The most precise mirror transition $\mathcal{F}t$ value


Author(s): A. A. Valverde, M. Brodeur, T. Ahn, J. Allen, D. W. Bardayan, F. D. Becchetti, D. Blankstein, G. Brown, D. P. Burdette, B. Frentz, G. Gilardy, M. R. Hall, S. King, J. J. Kolata, J. Long, K. T. Macon, A. Nelson, P. D. O'Malley, M. Skulski, S. Y. Strauss, and B. Vande Kolk

Background: The precise determination of the $\mathcal{F}t$ value in $T=1/2$ mixed mirror decays is an important avenue for testing the standard model of the electroweak interaction through the determination of ${V}_{ud}$ in nuclear $β$ decays. $^{11}\mathrm{C}$ is an interesting case, as its low ma...

[Phys. Rev. C 97, 035503] Published Tue Mar 13, 2018

Complete event-by-event $α/γ(β)$ separation in a full-size ${\mathrm{TeO}}_{2}$ CUORE bolometer by Neganov-Luke-magnified light detection


Author(s): L. Bergé et al.

In the present work, we describe the results obtained with a large ($≈133\phantom{\rule{4pt}{0ex}}{\mathrm{cm}}^{3}$) ${\mathrm{TeO}}_{2}$ bolometer, with a view to a search for neutrinoless double-$β$ decay ($0νββ$) of $^{130}\mathrm{Te}$. We demonstrate an efficient $α$-particle discrimination (99...

[Phys. Rev. C 97, 032501(R)] Published Mon Mar 12, 2018

Half-lives of $^{132}\mathrm{La}$ and $^{135}\mathrm{La}$


Author(s): E. P. Abel, H. K. Clause, J. Fonslet, R. J. Nickles, and G. W. Severin

The half-lives of $^{135}\mathrm{La}$ and $^{132}\mathrm{La}$ were determined via serial gamma spectroscopy, and the half-life of $^{135}\mathrm{La}$ was further determined by a high-precision ionization-chamber measurement. The results are 18.91(2) hr for $^{135}\mathrm{La}$ and 4.59(4) hr for $^{1...

[Phys. Rev. C 97, 034312] Published Mon Mar 12, 2018

Matter distribution and spin-orbit force in spherical nuclei


Author(s): G. Co', M. Anguiano, V. De Donno, and A. M. Lallena

We investigate the possibility that some nuclei show density distributions with a depletion in the center, a semibubble structure, by using a Hartree-Fock plus Bardeen-Cooper-Schrieffer approach. We separately study the proton, neutron, and matter distributions in 37 spherical nuclei mainly in the $...

[Phys. Rev. C 97, 034313] Published Mon Mar 12, 2018

Azimuthal angle dependence of the charge imbalance from charge conservation effects


Author(s): Piotr Bożek

The experimental search for the chiral magnetic effect in heavy-ion collisions is based on charge-dependent correlations between emitted particles. Recently, a sensitive observable comparing event-by-event distributions of the charge splitting projected on the directions along and perpendicular to t...

[Phys. Rev. C 97, 034907] Published Mon Mar 12, 2018

Reduction of the ${K}^{*}$ meson abundance in heavy ion collisions


Author(s): Sungtae Cho and Su Houng Lee

We study the ${K}^{*}$ meson reduction in heavy-ion collisions by focusing on the hadronic effects on the ${K}^{*}$ meson abundance. We evaluate the absorption cross sections of the ${K}^{*}$ and $K$ meson by light mesons in the hadronic matter, and further investigate the variation in the meson abu...

[Phys. Rev. C 97, 034908] Published Mon Mar 12, 2018

Astrophysical $^{3}\mathrm{He}(α,γ)^{7}\mathrm{Be}$ and $^{3}\mathrm{H}(α,γ)^{7}\mathrm{Li}$ direct capture reactions in a potential-model approach


Author(s): E. M. Tursunov, S. A. Turakulov, and A. S. Kadyrov

The astrophysical $^{3}\mathrm{He}(α,γ)^{7}\mathrm{Be}$ and $^{3}\mathrm{H}(α,γ)^{7}\mathrm{Li}$ direct capture processes are studied in the framework of the two-body model with potentials of a simple Gaussian form, which describe correctly the phase shifts in the $s$, $p$, $d$, and $f$ waves, as we...

[Phys. Rev. C 97, 035802] Published Mon Mar 12, 2018

Systematic model-independent $S$-matrix analysis of $^{4}\mathrm{He}−^{40}\mathrm{Ca}$ elastic scattering in going from anomalous large-angle scattering to near-Coulomb-barrier scattering


Author(s): V. Yu. Korda, A. S. Molev, L. P. Korda, and V. F. Klepikov

Applying the evolutionary model-independent $S$-matrix approach, we show that a simultaneous correct description of the $^{4}\mathrm{He}−^{40}\mathrm{Ca}$ elastic scattering patterns observed in going from anomalous large-angle scattering to near-Coulomb-barrier scattering (NCBS) can be achieved in ...

[Phys. Rev. C 97, 034606] Published Fri Mar 09, 2018

Single-particle potential of the $\mathbf{Λ}$ hyperon in nuclear matter with chiral effective field theory NLO interactions including effects of $YNN$ three-baryon interactions


Author(s): M. Kohno (河野通郎)

Adopting hyperon-nucleon and hyperon-nucleon-nucleon interactions parametrized in chiral effective field theory, single-particle potentials of the $\mathrm{Λ}$ and $\mathrm{Σ}$ hyperons are evaluated in symmetric nuclear matter and in pure neutron matter within the framework of lowest-order Bruckner...

[Phys. Rev. C 97, 035206] Published Fri Mar 09, 2018

Microscopic multiphonon approach to spectroscopy in the neutron-rich oxygen region


Author(s): G. De Gregorio, F. Knapp, N. Lo Iudice, and P. Veselý

Background: A fairly rich amount of experimental spectroscopic data have disclosed intriguing properties of the nuclei in the region of neutron rich oxygen isotopes up to the neutron dripline. They, therefore, represent a unique laboratory for studying the evolution of nuclear structure away from th...

[Phys. Rev. C 97, 034311] Published Thu Mar 08, 2018

Probing the density dependence of the symmetry energy by nucleon flow


Author(s): Xiao-Hua Fan, Gao-Chan Yong, and Wei Zuo

In the framework of the isospin-dependent Boltzmann-Uehling-Uhlenbeck transport model, sensitive regions of some nucleon observables to the nuclear symmetry energy are studied. It is found that the symmetry-energy-sensitive observable $n/p$ ratio in the $^{132}\mathrm{Sn}+^{124}\mathrm{Sn}$ reaction...

[Phys. Rev. C 97, 034604] Published Thu Mar 08, 2018

Exploring the manifestation and nature of a dineutron in two-neutron emission using a dynamical dineutron model


Author(s): L. V. Grigorenko, J. S. Vaagen, and M. V. Zhukov

Emission of two neutrons or two protons in reactions and decays is often discussed in terms of “dineutron” or “diproton” emission. The discussion often leans intuitively on something described by Migdal-Watson approximation. In this work we propose a way to formalize situations of dineutron emission...

[Phys. Rev. C 97, 034605] Published Thu Mar 08, 2018

Testing charm quark equilibration in ultrahigh-energy heavy ion collisions with fluctuations


Author(s): Thorben Graf, Jan Steinheimer, Marcus Bleicher, and Christoph Herold

Recent lattice QCD data on higher order susceptibilities of charm quarks provide the opportunity to explore charm quark equilibration in the early quark gluon plasma (QGP) phase. Here, we propose to use the lattice data on second- and fourth-order net charm susceptibilities to infer the charm quark ...

[Phys. Rev. C 97, 034906] Published Thu Mar 08, 2018

Nucleon-to-$\mathrm{Δ}$ transition form factors in chiral effective field theory using the complex-mass scheme


Author(s): M. Hilt, T. Bauer, S. Scherer, and L. Tiator

We calculate the form factors of the electromagnetic nucleon-to-$\mathrm{Δ}$-resonance transition to third chiral order in manifestly Lorentz-invariant chiral effective field theory. For the purpose of generating a systematic power counting, the complex-mass scheme is applied in combination with the...

[Phys. Rev. C 97, 035205] Published Thu Mar 08, 2018

Gamow-Teller response in the configuration space of a density-functional-theory–rooted no-core configuration-interaction model


Author(s): M. Konieczka, M. Kortelainen, and W. Satuła

Background: The atomic nucleus is a unique laboratory in which to study fundamental aspects of the electroweak interaction. This includes a question concerning in medium renormalization of the axial-vector current, which still lacks satisfactory explanation. Study of spin-isospin or Gamow-Teller (GT...

[Phys. Rev. C 97, 034310] Published Wed Mar 07, 2018

Deep-inelastic multinucleon transfer processes in the $^{16}\mathrm{O}\phantom{\rule{0.16em}{0ex}}+\phantom{\rule{0.16em}{0ex}}^{27}\mathrm{Al}$ reaction


Author(s): B. J. Roy, Y. Sawant, P. Patwari, S. Santra, A. Pal, A. Kundu, D. Chattopadhyay, V. Jha, S. K. Pandit, V. V. Parkar, K. Ramachandran, K. Mahata, B. K. Nayak, A. Saxena, S. Kailas, T. N. Nag, R. N. Sahoo, P. P. Singh, and K. Sekizawa

The reaction mechanism of deep-inelastic multinucleon transfer processes in the $^{16}\mathrm{O}\phantom{\rule{0.16em}{0ex}}+\phantom{\rule{0.16em}{0ex}}^{27}\mathrm{Al}$ reaction at an incident $^{16}\mathrm{O}$ energy (${E}_{\mathrm{lab}}=134$ MeV) substantially above the Coulomb barrier has been ...

[Phys. Rev. C 97, 034603] Published Wed Mar 07, 2018

Principal component analysis of the nonlinear coupling of harmonic modes in heavy-ion collisions


Author(s): Piotr Bożek

The principal component analysis of flow correlations in heavy-ion collisions is studied. The correlation matrix of harmonic flow is generalized to correlations involving several different flow vectors. The method can be applied to study the nonlinear coupling between different harmonic modes in a d...

[Phys. Rev. C 97, 034905] Published Wed Mar 07, 2018

Role of the triangle singularity in $\mathrm{Λ}(1405)$ production in the ${π}^{−}p→{K}^{0}π\mathrm{Σ}$ and $pp→p{K}^{+}π\mathrm{Σ}$ processes


Author(s): M. Bayar, R. Pavao, S. Sakai, and E. Oset

We have investigated the cross section for the ${π}^{−}p→{K}^{0}π\mathrm{Σ}$ and $pp→p{K}^{+}π\mathrm{Σ}$ reactions, paying attention to a mechanism that develops a triangle singularity. The triangle diagram is realized by the decay of a ${N}^{*}$ to ${K}^{*}\mathrm{Σ}$ and the ${K}^{*}$ decay into ...

[Phys. Rev. C 97, 035203] Published Wed Mar 07, 2018

Genuine quark state versus dynamically generated structure for the Roper resonance


Author(s): B. Golli, H. Osmanović, S. Širca, and A. Švarc

In view of the recent results of lattice QCD simulation in the $P11$ partial wave that has found no clear signal for the three-quark Roper state we investigate a different mechanism for the formation of the Roper resonance in a coupled channel approach including the $πN$, $π\mathrm{Δ}$, and $σN$ cha...

[Phys. Rev. C 97, 035204] Published Wed Mar 07, 2018

Electron time-of-flight: A new tool in $β$-decay spectroscopy


Author(s): C. Roick, D. Dubbers, B. Märkisch, H. Saul, and U. Schmidt

The authors demonstrate an enhanced electron time-of-flight (ToF) method that overcomes limitations of conventional ToF experiments. They use an inverse magnetic mirror configuration in which the ToF is almost independent of emission angle. In particular at lower β-decay energies, where flight times are long, one can obtain the electron kinetic energy with significantly improved accuracy. Applications range from the precise calibration of energy-sensitive scintillators to future neutron-decay experiments.

[Phys. Rev. C 97, 035502] Published Wed Mar 07, 2018

Direct measurement of resonance strengths in $^{34}\mathrm{S}(α,γ)^{38}\mathrm{Ar}$ at astrophysically relevant energies using the DRAGON recoil separator


Author(s): D. Connolly, P. D. O'Malley, C. Akers, A. A. Chen, G. Christian, B. Davids, L. Erikson, J. Fallis, B. R. Fulton, U. Greife, U. Hager, D. A. Hutcheon, S. Ilyushkin, A. M. Laird, A. Mahl, and C. Ruiz

Background: Nucleosynthesis of mid-mass elements is thought to occur under hot and explosive astrophysical conditions. Radiative $α$ capture on $^{34}\mathrm{S}$ has been shown to impact nucleosynthesis in several such conditions, including core and shell oxygen burning, explosive oxygen burning, an...

[Phys. Rev. C 97, 035801] Published Wed Mar 07, 2018

Quantized Skyrmions from SU(4) weight diagrams


Author(s): C. J. Halcrow, N. S. Manton, and J. I. Rawlinson

Starting from solutions of the lightly bound Skyrme model, we construct many new Skyrmion solutions of the standard Skyrme model with tetrahedral or octahedral symmetry. These solutions are closely related to weight diagrams of the group SU(4), which enables us to systematically derive some geometri...

[Phys. Rev. C 97, 034307] Published Tue Mar 06, 2018

Nonrotational states in isotonic chains of heavy nuclei


Author(s): G. G. Adamian, L. A. Malov, N. V. Antonenko, and R. V. Jolos

The ground-state deformations of heavy nuclei are explored with the microscopic-macroscopic approach using the single-particle Woods-Saxon potential of the quasiparticle-phonon model. The calculations of the energies of low-lying nonrotational states take into account the residual pairing and phonon...

[Phys. Rev. C 97, 034308] Published Tue Mar 06, 2018

Shell-model computed cross sections for charged-current scattering of astrophysical neutrinos off $^{40}\mathrm{Ar}$


Author(s): Joel Kostensalo, Jouni Suhonen, and K. Zuber

Charged-current (anti)neutrino-$^{40}\mathrm{Ar}$ cross sections for astrophysical neutrinos have been calculated. The initial and final nuclear states were calculated using the nuclear shell model. The folded solar-neutrino scattering cross section was found to be $1.78(23)×{10}^{−42}\phantom{\rule...

[Phys. Rev. C 97, 034309] Published Tue Mar 06, 2018

Collective flows of pions in Au+Au collisions at energies 1.0 and 1.5 GeV/nucleon


Author(s): Yangyang Liu, Yongjia Wang, Qingfeng Li, and Ling Liu

Based on the newly updated version of the ultrarelativistic quantum molecular dynamics (UrQMD) model, the pion potentials obtained from the in-medium dispersion relation of the $\mathrm{Δ}$-hole model and from the modified phenomenological approach are further introduced. Both the rapidity ${y}_{0}$...

[Phys. Rev. C 97, 034602] Published Tue Mar 06, 2018

Initial angular momentum and flow in high energy nuclear collisions


Author(s): Rainer J. Fries, Guangyao Chen, and Sidharth Somanathan

We study the transfer of angular momentum in high energy nuclear collisions from the colliding nuclei to the region around midrapidity, using the classical approximation of the color glass condensate (CGC) picture. We find that the angular momentum shortly after the collision (up to times $∼1/{Q}_{s...

[Phys. Rev. C 97, 034903] Published Tue Mar 06, 2018

Hydrodynamic predictions for 5.44 TeV Xe+Xe collisions


Author(s): Giuliano Giacalone, Jacquelyn Noronha-Hostler, Matthew Luzum, and Jean-Yves Ollitrault

We argue that relativistic hydrodynamics is able to make robust predictions for soft particle production in Xe+Xe collisions at the CERN Large Hadron Collider (LHC). The change of system size from Pb+Pb to Xe+Xe provides a unique opportunity to test the scaling laws inherent to fluid dynamics. Using...

[Phys. Rev. C 97, 034904] Published Tue Mar 06, 2018

Beth-Uhlenbeck approach for repulsive interactions between baryons in a hadron gas


Author(s): Volodymyr Vovchenko, Anton Motornenko, Mark I. Gorenstein, and Horst Stoecker

The quantum mechanical Beth-Uhlenbeck (BU) approach for repulsive hard-core interactions between baryons is applied to the thermodynamics of a hadron gas. The second virial coefficient ${a}_{2}$—the “excluded volume” parameter—calculated within the BU approach is found to be temperature dependent, a...

[Phys. Rev. C 97, 035202] Published Tue Mar 06, 2018

Spectroscopy of excited states of unbound nuclei $^{30}\mathrm{Ar}$ and $^{29}\mathrm{Cl}$


Author(s): X.-D. Xu et al.

Several states of proton-unbound isotopes $^{30}\mathrm{Ar}$ and $^{29}\mathrm{Cl}$ were investigated by measuring their in-flight decay products, $^{28}\mathrm{S}$ + proton + proton and $^{28}\mathrm{S}$ + proton, respectively. A refined analysis of $^{28}\mathrm{S}$-proton angular correlations ind...

[Phys. Rev. C 97, 034305] Published Mon Mar 05, 2018

Possible candidates for multiple chiral doublet bands in cesium isotopes


Author(s): Jian Li (李剑)

Following the reports of candidate chiral doublet bands observed in odd-$A$ cesium isotopes, the triaxial deformations with corresponding configuration and the possible multiple chiral doublet ($\mathrm{M}χ\mathrm{D}$) phenomenon in $^{125,127,129,131}\mathrm{Cs}$ are investigated within the adiabat...

[Phys. Rev. C 97, 034306] Published Mon Mar 05, 2018

Effects of initial-state nucleon shadowing on the elliptic flow of thermal photons


Author(s): Pingal Dasgupta, Rupa Chatterjee, Sushant K. Singh, and Jan-e Alam

Recently the effect of nucleon shadowing on the Monte Carlo–Glauber initial condition was studied and its role on the centrality dependence of elliptic flow (${v}_{2}$) and fluctuations in initial eccentricity for different colliding nuclei were explored. It was found that the results with shadowing...

[Phys. Rev. C 97, 034902] Published Mon Mar 05, 2018

Contribution of a kaon component in the viscosity and conductivity of a hadronic medium


Author(s): Mahfuzur Rahaman, Snigdha Ghosh, Sabyasachi Ghosh, Sourav Sarkar, and Jan-e Alam

With the help of effective Lagrangian densities of strange hadrons, we calculated the kaon relaxation time from several loop and scattering diagrams at tree level, which basically represent contributions from $1↔2$ and $2↔2$ types of collisions. Using the total relaxation time of a kaon, the shear v...

[Phys. Rev. C 97, 035201] Published Mon Mar 05, 2018

Precise half-life measurement of the superallowed emitter $^{30}\mathrm{S}$


Author(s): V. E. Iacob, J. C. Hardy, L. Chen, V. Horvat, M. Bencomo, N. Nica, H. I. Park, B. T. Roeder, and A. Saastamoinen

We have measured the half-life of $^{30}\mathrm{S}$, the parent of a superallowed ${0}^{+}→{0}^{+}\phantom{\rule{0.28em}{0ex}}β$ transition, to a high precision using very pure sources and a $4π$ proportional gas counter to detect the decay positrons. Our result for the half-life is 1.179 92(34) s. ...

[Phys. Rev. C 97, 035501] Published Mon Mar 05, 2018

Nuclear quantum shape-phase transitions in odd-mass systems


Author(s): S. Quan, Z. P. Li, D. Vretenar, and J. Meng

Microscopic signatures of nuclear ground-state shape-phase transitions in odd-mass Eu isotopes are explored starting from excitation spectra and collective wave functions obtained by diagonalization of a core-quasiparticle coupling Hamiltonian based on energy density functionals. As functions of the...

[Phys. Rev. C 97, 031301(R)] Published Fri Mar 02, 2018

Structure of $_{\mathrm{Λ}}^{9}\mathrm{Be}$ and $_{\mathrm{Λ}\mathrm{Λ}}^{10}\mathrm{Be}$ using the beyond-mean-field Skyrme-Hartree-Fock approach


Author(s): Wen-Ying Li, Ji-Wei Cui, and Xian-Rong Zhou

Based on the beyond-mean-field Skyrme-Hartree-Fock model, the up-to-date Skyrme-type $N\mathrm{Λ}$ interaction, SLL4, is used to investigate the properties of $_{\mathrm{Λ}}^{9}\mathrm{Be}$ comprehensively. Energies of different configurations, such as $^{8}\mathrm{Be}⊗\mathrm{Λ}[000]1/{2}^{+}, ^{8}...

[Phys. Rev. C 97, 034302] Published Fri Mar 02, 2018

Branching ratio to the 803 keV level in $^{210}\mathrm{Po}\phantom{\rule{0.16em}{0ex}}α$ decay


Author(s): A. Shor, L. Weissman, O. Aviv, Y. Eisen, M. Brandis, M. Paul, A. Plompen, M. Tessler, and S. Vaintraub

Precise knowledge of the branching ratio in the α decay of $^{210}\mathrm{Po}$ is important for accurate measurement of the $^{209}\mathrm{Bi}(n,γ)^{210\mathrm{g}}\mathrm{Bi}$ cross section, the reaction involved in the termination of the astrophysical $s$ process. The branching ratio was determined...

[Phys. Rev. C 97, 034303] Published Fri Mar 02, 2018

Examination of the consistency of the quasiparticle random-phase approximation approach to double-$β$ decay of $^{48}\mathrm{Ca}$


Author(s): J. Terasaki

The nuclear matrix elements (NMEs) of the neutrinoless and two-neutrino double-$β$ decays of $^{48}\mathrm{Ca}$ are calculated by the quasiparticle random-phase approximation (QRPA) with emphasis on the consistency examinations of this calculation method. The main new examination points are the cons...

[Phys. Rev. C 97, 034304] Published Fri Mar 02, 2018

Mirror energy differences of $2{s}_{1/2}, 1{d}_{5/2}$, and $1{f}_{7/2}$ states


Author(s): H. T. Fortune

I have examined mirror energy differences between $2{s}_{1/2}, 1{d}_{5/2}$, and $1{f}_{7/2}$ single-particle states in neutron-excess light nuclei and their proton-excess mirrors. I expand on the earlier $2{s}_{1/2}$ treatment. For $1{d}_{5/2}$, I find that 11 such cases can be fitted by a simple ex...

[Phys. Rev. C 97, 034301] Published Thu Mar 01, 2018

Single-particle strength from nucleon transfer in oxygen isotopes: Sensitivity to model parameters


Author(s): F. Flavigny, N. Keeley, A. Gillibert, and A. Obertelli

In the analysis of transfer reaction data to extract nuclear structure information the choice of input parameters to the reaction model such as distorting potentials and overlap functions has a significant impact. In this paper we consider a set of data for the ($d,t$) and ($d,^{3}\mathrm{He}$) reac...

[Phys. Rev. C 97, 034601] Published Thu Mar 01, 2018

Wounded-quark emission function at the top energy available at the BNL Relativistic Heavy Ion Collider


Author(s): Michał Barej, Adam Bzdak, and Paweł Gutowski

The wounded nucleon and quark emission functions are extracted for different centralities in $d+\mathrm{Au}$ collisions at $\sqrt{s}=200\phantom{\rule{4pt}{0ex}}\text{GeV}$ using Monte Carlo simulations and experimental data. The shape of the emission function depends on centrality in the wounded nu...

[Phys. Rev. C 97, 034901] Published Thu Mar 01, 2018

Capture cross sections for the synthesis of new heavy nuclei using radioactive beams


Author(s): A. Wakhle, K. Hammerton, Z. Kohley, D. J. Morrissey, K. Stiefel, J. Yurkon, J. Walshe, K. J. Cook, M. Dasgupta, D. J. Hinde, D. J. Jeung, E. Prasad, D. C. Rafferty, C. Simenel, E. C. Simpson, K. Vo-Phuoc, J. King, W. Loveland, and R. Yanez

We have measured the capture-fission excitation functions for the reaction of stable $^{39}\mathrm{K}$ and radioactive $^{46}\mathrm{K}$ with $^{181}\mathrm{Ta}$ using the ReA3 facility at the National Superconducting Cyclotron Laboratory. In addition the capture-fission excitation function for the ...

[Phys. Rev. C 97, 021602(R)] Published Wed Feb 28, 2018

Quantum Monte Carlo calculation of neutral-current $ν−^{12}\mathrm{C}$ inclusive quasielastic scattering


Author(s): A. Lovato, S. Gandolfi, J. Carlson, Ewing Lusk, Steven C. Pieper, and R. Schiavilla

Quasielastic neutrino scattering is an important aspect of the experimental program to study fundamental neutrino properties including neutrino masses, mixing angles, mass hierarchy, and charge-conjugation parity (CP)- violating phase. Proper interpretation of the experiments requires reliable theor...

[Phys. Rev. C 97, 022502(R)] Published Wed Feb 28, 2018

New local mass relation for isobaric analogue states and isospin-nonconserving forces


Author(s): G. J. Fu, Y. Y. Cheng, Y. H. Zhang, P. Zhang, P. Shuai, Y. M. Zhao, and M. Wang

In this paper a new local mass relation is constructed for isobaric analogue states of four relating neighboring nuclei. The standard deviation from a linear fit of experimental data is 20–70 keV. The systematics of the local mass relation is discussed in terms of an empirical Coulomb energy formula...

[Phys. Rev. C 97, 024339] Published Wed Feb 28, 2018

Coupled kinetic equations for fermions and bosons in the relaxation-time approximation


Author(s): Wojciech Florkowski, Ewa Maksymiuk, and Radoslaw Ryblewski

Kinetic equations for fermions and bosons are solved numerically in the relaxation-time approximation for the case of one-dimensional boost-invariant geometry. Fermions are massive and carry baryon number, while bosons are massless. The conservation laws for the baryon number, energy, and momentum l...

[Phys. Rev. C 97, 024915] Published Wed Feb 28, 2018

Separated kaon electroproduction cross section and the kaon form factor from 6 GeV JLab data


Author(s): M. Carmignotto et al. (JLAB FPI-2 and E93-018 Collaboration)

The $^{1}\mathrm{H}(e,{e}^{′}{K}^{+})\mathrm{Λ}$ reaction was studied as a function of the Mandelstam variable $−t$ using data from the E01-004 (FPI-2) and E93-018 experiments that were carried out in Hall C at the 6 GeV Jefferson Laboratory. The cross section was fully separated into longitudinal a...

[Phys. Rev. C 97, 025204] Published Wed Feb 28, 2018

Equation of state for dense nucleonic matter from metamodeling. I. Foundational aspects


Author(s): Jérôme Margueron, Rudiney Hoffmann Casali, and Francesca Gulminelli

Metamodeling for the nucleonic equation of state (EOS), inspired from a Taylor expansion around the saturation density of symmetric nuclear matter, is proposed and parameterized in terms of the empirical parameters. The present knowledge of nuclear empirical parameters is first reviewed in order to ...

[Phys. Rev. C 97, 025805] Published Wed Feb 28, 2018

Equation of state for dense nucleonic matter from metamodeling. II. Predictions for neutron star properties


Author(s): Jérôme Margueron, Rudiney Hoffmann Casali, and Francesca Gulminelli

Employing recently proposed metamodeling for the nucleonic matter equation of state, we analyze neutron star global properties such as masses, radii, momentum of inertia, and others. The impact of the uncertainty on empirical parameters on these global properties is analyzed in a Bayesian statistica...

[Phys. Rev. C 97, 025806] Published Wed Feb 28, 2018

Possible “umbrella”-like antimagnetic rotation mode in odd-$A ^{101,103}\mathrm{Pd}$ and even-even $^{102,104}\mathrm{Pd}$


Author(s): H. Jia (贾慧), B. Qi (亓斌), C. Liu (刘晨), Q. Hu (胡琪), and S. Y. Wang (王守宇)

The tilted-axis cranking model based on covariant density functional theory is used to study the candidate antimagnetic rotation (AMR) bands in $^{101,102,103,104}\mathrm{Pd}$. The experimental energy spectra and $B(E2)$ values are reproduced well in the self-consistent and microscopic calculations....

[Phys. Rev. C 97, 024335] Published Tue Feb 27, 2018

Low-lying electromagnetic transition strengths in $^{180}\mathrm{Pt}$


Author(s): C. Müller-Gatermann et al.

Lifetime measurements have been performed using the $^{98}\mathrm{Mo}$($^{86}\mathrm{Kr},4n$)$^{180}\mathrm{Pt}$ reaction at a beam energy of 380 MeV, and the recoil distance Doppler-shift method. In a second experiment the $^{168}\mathrm{Yb}$($^{16}\mathrm{O},4n$)$^{180}\mathrm{Pt}$ reaction at a b...

[Phys. Rev. C 97, 024336] Published Tue Feb 27, 2018

Pair correlations in low-lying $T=0$ states of odd-odd nuclei with six nucleons


Author(s): G. J. Fu, Y. M. Zhao, and A. Arima

In this paper, we study pair correlations in low-lying $T=0$ states for two typical cases of odd-odd $N=Z$ nuclei. The first case is six nucleons in a single $j=9/2$ shell, for which we study the $S$-broken-pair approximation, the isoscalar spin-1 pair condensation, and the isoscalar spin-aligned pa...

[Phys. Rev. C 97, 024337] Published Tue Feb 27, 2018

Odd-even parity splittings and octupole correlations in neutron-rich Ba isotopes


Author(s): Y. Fu, H. Wang, L.-J. Wang, and J. M. Yao

The odd-even parity splittings in low-lying parity-doublet states of atomic nuclei with octupole correlations have usually been interpreted as rotational excitations on top of octupole vibration in the language of collective models. In this paper, we report a deep analysis of the odd-even parity spl...

[Phys. Rev. C 97, 024338] Published Tue Feb 27, 2018

Transport coefficients in ultrarelativistic kinetic theory


Author(s): Victor E. Ambruş

A spatially periodic longitudinal wave is considered in relativistic dissipative hydrodynamics. At sufficiently small wave amplitudes, an analytic solution is obtained in the linearized limit of the macroscopic conservation equations within the first- and second-order relativistic hydrodynamics form...

[Phys. Rev. C 97, 024914] Published Tue Feb 27, 2018

Quantum Monte Carlo calculations of weak transitions in $A=6–10$ nuclei


Author(s): S. Pastore, A. Baroni, J. Carlson, S. Gandolfi, Steven C. Pieper, R. Schiavilla, and R. B. Wiringa

Ab initio calculations of the Gamow-Teller (GT) matrix elements in the $β$ decays of $^{6}\mathrm{He}$ and $^{10}\mathrm{C}$ and electron captures in $^{7}\mathrm{Be}$ are carried out using both variational and Green's function Monte Carlo wave functions obtained from the Argonne ${v}_{18}$ two-nucl...

[Phys. Rev. C 97, 022501(R)] Published Mon Feb 26, 2018

$\mathrm{Δ}$ isobars and nuclear saturation


Author(s): A. Ekström, G. Hagen, T. D. Morris, T. Papenbrock, and P. D. Schwartz

We construct a nuclear interaction in chiral effective field theory with explicit inclusion of the $\mathrm{Δ}$-isobar $\mathrm{Δ}(1232)$ degree of freedom at all orders up to next-to-next-to-leading order (NNLO). We use pion-nucleon ($πN$) low-energy constants (LECs) from a Roy-Steiner analysis of ...

[Phys. Rev. C 97, 024332] Published Mon Feb 26, 2018

$α$ decay of high-K isomers in $^{270}\mathrm{Ds}$ and $^{266}\mathrm{Hs}$ in a superfluid tunneling model


Author(s): R. M. Clark and D. Rudolph

We use the superfluid tunneling model (STM) to calculate the half-lives of ground-state $α$ decays of even-even superheavy nuclei (SHN) with $Z≥100$. The experimental data are reproduced to accuracies comparable to other contemporary models of $α$ decay of SHN. We apply the STM to the case of the $α...

[Phys. Rev. C 97, 024333] Published Mon Feb 26, 2018

Quadrupole and octupole collectivity and cluster structures in neon isotopes


Author(s): P. Marević, J.-P. Ebran, E. Khan, T. Nikšić, and D. Vretenar

The lowest positive- and negative-parity bands of $^{20}\mathrm{Ne}$ and neutron-rich even-even Ne isotopes are investigated using a theoretical framework based on energy density functionals. Starting from a self-consistent relativistic Hartree-Bogoliubov calculation of axially symmetric and reflect...

[Phys. Rev. C 97, 024334] Published Mon Feb 26, 2018

Baryon-antibaryon annihilation and reproduction in relativistic heavy-ion collisions


Author(s): E. Seifert and W. Cassing

The quark rearrangement model for baryon-antibaryon annihilation and reproduction ($B\overline{B}↔3M$)—incorporated in the Parton-Hadron-String Dynamics (PHSD) transport approach—is extended to the strangeness sector. A derivation of the transition probabilities for the three-body processes is prese...

[Phys. Rev. C 97, 024913] Published Mon Feb 26, 2018

Double ${K}_{S}^{0}$ photoproduction off the proton at CLAS


Author(s): S. Chandavar et al. (The CLAS Collaboration)

The ${f}_{0}(1500)$ meson resonance is one of several contenders to have significant mixing with the lightest glueball. This resonance is well established from several previous experiments. Here we present the first photoproduction data for the ${f}_{0}(1500)$ via decay into the ${K}_{S}^{0}{K}_{S}^...

[Phys. Rev. C 97, 025203] Published Mon Feb 26, 2018

Equilibrium nuclear ensembles taking into account vaporization of hot nuclei in dense stellar matter


Author(s): Shun Furusawa and Igor Mishustin

We investigate the high-temperature effect on the nuclear matter that consists of mixture of nucleons and all nuclei in the dense and hot stellar environment. The individual nuclei are described within the compressible-liquid-drop model that is based on Skyrme interactions for bulk energies and that...

[Phys. Rev. C 97, 025804] Published Mon Feb 26, 2018

From cluster structures to nuclear molecules: The role of nodal structure of the single-particle wave functions


Author(s): A. V. Afanasjev and H. Abusara

The nodal structure of the density distributions of the single-particle states occupied in rod-shaped, hyper- and megadeformed structures of nonrotating and rotating $N∼Z$ nuclei has been investigated in detail. The single-particle states with the Nilsson quantum numbers of the $[NN0]1/2$ (with $N$ ...

[Phys. Rev. C 97, 024329] Published Fri Feb 23, 2018

Excitation energy shift and size difference of low-energy levels in $p$-shell $\mathrm{Λ}$ hypernuclei


Author(s): Yoshiko Kanada-En'yo

Structures of low-lying $0s$-orbit $\mathrm{Λ}$ states in $p$-shell $\mathrm{Λ}$ hypernuclei ($_{\mathrm{Λ}}^{A}Z$) are investigated by applying microscopic cluster models for nuclear structure and a single-channel folding potential model for a $\mathrm{Λ}$ particle. For $A>10$ systems, the size ...

[Phys. Rev. C 97, 024330] Published Fri Feb 23, 2018

Bubble nuclei within the self-consistent Hartree-Fock mean field plus pairing approach


Author(s): L. Tan Phuc, N. Quang Hung, and N. Dinh Dang

The depletion of the nuclear density at its center, called the nuclear bubble, is studied within the Skyrme Hartree-Fock mean field consistently incorporating the superfluid pairing. The latter is obtained within the finite-temperature Bardeen-Cooper-Schrieffer theory and within the approach using t...

[Phys. Rev. C 97, 024331] Published Fri Feb 23, 2018

Sub-barrier quasifission in heavy element formation reactions with deformed actinide target nuclei


Author(s): D. J. Hinde, D. Y. Jeung, E. Prasad, A. Wakhle, M. Dasgupta, M. Evers, D. H. Luong, R. du Rietz, C. Simenel, E. C. Simpson, and E. Williams

Background: The formation of superheavy elements (SHEs) by fusion of two massive nuclei is severely inhibited by the competing quasifission process. Low excitation energies favor SHE survival against fusion-fission competition. In “cold” fusion with spherical target nuclei near $^{208}\mathrm{Pb}$, ...

[Phys. Rev. C 97, 024616] Published Fri Feb 23, 2018

Dynamics of complete and incomplete fusion in heavy ion collisions


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)

In order to study the influence of the strong Coulomb and nuclear interactions on the dynamics of complete and incomplete fusion, we construct a new four-variable master equation (ME) so that the deformations as well as the nucleon transfer are viewed as consistently governed by MEs in the potential...

[Phys. Rev. C 97, 024617] Published Fri Feb 23, 2018

Kinetic freeze-out conditions for the production of resonances, hadronic molecules, and light nuclei


Author(s): Sungtae Cho, Taesoo Song, and Su Houng Lee

We investigate the freeze-out conditions of a particle in an expanding system of interacting particles in order to understand the productions of resonances, hadronic molecules, and light nuclei in heavy-ion collisions. Applying the kinetic freeze-out condition with explicit hydrodynamic calculations...

[Phys. Rev. C 97, 024911] Published Fri Feb 23, 2018

Effects of longitudinal asymmetry in heavy-ion collisions


Author(s): Rashmi Raniwala, Sudhir Raniwala, and Constantin Loizides

In collisions of identical nuclei at a given impact parameter, the number of nucleons participating in the overlap region of each nucleus can be unequal due to nuclear density fluctuations. The asymmetry due to the unequal number of participating nucleons, referred to as longitudinal asymmetry, caus...

[Phys. Rev. C 97, 024912] Published Fri Feb 23, 2018

Photo- and electroproduction of ${K}^{+}\mathrm{Λ}$ with a unitarity-restored isobar model


Author(s): D. Skoupil and P. Bydžovský

Exploiting the isobar model, kaon photo- and electroproduction on the proton in the resonance region comes under scrutiny. An upgrade of our previous model, comprising higher-spin nucleon and hyperon exchanges in the consistent formalism, was accomplished by implementing energy-dependent widths of n...

[Phys. Rev. C 97, 025202] Published Fri Feb 23, 2018

Effect of quantum fluctuations in the high-energy cold nuclear equation of state and in compact star observables


Author(s): Péter Pósfay, Gergely Gábor Barnaföldi, and Antal Jakovác

We present a functional renormalization group (FRG) calculation of the equation of state (EoS) using our novel technique to treat fluctuations at finite chemical potential. The goal of this calculation was to provide a proof of concept for this technique as well as to estimate the size of the quantu...

[Phys. Rev. C 97, 025803] Published Fri Feb 23, 2018

Erratum: Anisotropy in the equation of state of magnetized quark matter [Phys. Rev. C 91, 065205 (2015)]


Author(s): Débora P. Menezes, Marcus B. Pinto, and Constança Providência
[Phys. Rev. C 97, 029904] Published Fri Feb 23, 2018

“Container” evolution for cluster structures in $^{16}\mathrm{O}$


Author(s): Y. Funaki

Background: $α+^{12}\mathrm{C}$ clustering in $^{16}\mathrm{O}$ has been of historical importance in nuclear clustering. In the last 15 years the $4α$ condensate state has been proposed as a new-type cluster state.

[Phys. Rev. C 97, 021304(R)] Published Thu Feb 22, 2018

Examination of the low-energy enhancement of the $γ$-ray strength function of $^{56}\mathrm{Fe}$


Author(s): M. D. Jones et al.

A model-independent technique was used to determine the $γ$-ray strength function ($γ\mathrm{SF}$) of $^{56}\mathrm{Fe}$ down to $γ$-ray energies less than 1 MeV for the first time with GRETINA using the $(p,{p}^{′})$ reaction at 16 MeV. No difference was observed in the energy dependence of the $γ\...

[Phys. Rev. C 97, 024327] Published Thu Feb 22, 2018

Resonances in $^{16}\mathrm{B}$


Author(s): H. T. Fortune

Using information from nearby nuclei and a simple model, I estimate that the lowest resonance in $^{16}\mathrm{B}$ should have ${J}^{π}={2}^{−}$ and the structure $^{17}\mathrm{C}(1/{2}^{+})×{({p}_{3/2})}^{−1}$, and not ${0}^{−}$, as previously supposed. If the ${2}^{−}$ is not the ground state, it ...

[Phys. Rev. C 97, 024328] Published Thu Feb 22, 2018

Radial overlap correction to superallowed ${0}^{+}→{0}^{+}$ $β$ decay reexamined


Author(s): L. Xayavong and N. A. Smirnova

Within the nuclear shell model, we investigate the correction ${δ}_{RO}$ to the Fermi matrix element due to a mismatch between proton and neutron single-particle radial wave functions. Eight superallowed ${0}^{+}→{0}^{+}$ $β$ decays in the $sd$ shell, comprising $^{22}\mathrm{Mg}$, $^{26m}\mathrm{Al...

[Phys. Rev. C 97, 024324] Published Wed Feb 21, 2018

Ab initio translationally invariant nonlocal one-body densities from no-core shell-model theory


Author(s): M. Burrows, Ch. Elster, G. Popa, K. D. Launey, A. Nogga, and P. Maris

Background: It is well known that effective nuclear interactions are in general nonlocal. Thus if nuclear densities obtained from ab initio no-core shell-model (NCSM) calculations are to be used in reaction calculations, translationally invariant nonlocal densities must be available.

[Phys. Rev. C 97, 024325] Published Wed Feb 21, 2018

Quadrupole collectivity in $^{42}\mathrm{Ca}$ from low-energy Coulomb excitation with AGATA


Author(s): K. Hadyńska-Klȩk et al.

A Coulomb-excitation experiment to study electromagnetic properties of $^{42}\mathrm{Ca}$ was performed using a 170-MeV calcium beam from the TANDEM XPU facility at INFN Laboratori Nazionali di Legnaro. $γ$ rays from excited states in $^{42}\mathrm{Ca}$ were measured with the AGATA spectrometer. The...

[Phys. Rev. C 97, 024326] Published Wed Feb 21, 2018

Production of deuterons, tritons, $^{3}\mathrm{He}$ nuclei, and their antinuclei in $pp$ collisions at $\sqrt{s}=0.9$, 2.76, and 7 TeV


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

Invariant differential yields of deuterons and antideuterons in $pp$ collisions at $\sqrt{s}$ = 0.9, 2.76 and 7 TeV and the yields of tritons, $^{3}\mathrm{He}$ nuclei, and their antinuclei at $\sqrt{s}$ = 7 TeV have been measured with the ALICE detector at the CERN Large Hadron Collider. The measur...

[Phys. Rev. C 97, 024615] Published Wed Feb 21, 2018

Direct measurement of astrophysically important resonances in $^{38}\mathrm{K}(p,γ)^{39}\mathrm{Ca}$


Author(s): G. Christian, G. Lotay, C. Ruiz, C. Akers, D. S. Burke, W. N. Catford, A. A. Chen, D. Connolly, B. Davids, J. Fallis, U. Hager, D. Hutcheon, A. Mahl, A. Rojas, and X. Sun

Measurements of a nuclear reaction relevant to the synthesis of calcium, potassium, and argon in stars boost the accuracy of models for predicting the elements’ abundance.

[Phys. Rev. C 97, 025802] Published Wed Feb 21, 2018

Doubly magic nuclei from lattice QCD forces at ${M}_{\mathrm{PS}}=469\phantom{\rule{0.16em}{0ex}}\mathrm{MeV}/{c}^{2}$


Author(s): C. McIlroy, C. Barbieri, T. Inoue, T. Doi, and T. Hatsuda

We perform ab initio self-consistent Green's function calculations of the closed shell nuclei $^{4}\mathrm{He}$, $^{16}\mathrm{O}$, and $^{40}\mathrm{Ca}$, based on two-nucleon potentials derived from lattice QCD simulations, in the flavor SU(3) limit and at the pseudoscalar meson mass of 469 MeV/${...

[Phys. Rev. C 97, 021303(R)] Published Tue Feb 20, 2018

Surface properties of neutron-rich exotic nuclei within relativistic mean field formalisms


Author(s): M. Bhuyan, B. V. Carlson, S. K. Patra, and Shan-Gui Zhou

In this theoretical study, we establish a correlation between the neutron skin thickness and the nuclear symmetry energy for the even-even isotopes of Fe, Ni, Zn, Ge, Se, and Kr within the framework of the axially deformed self-consistent relativistic mean field for the nonlinear $\mathrm{NL}{3}^{*}...

[Phys. Rev. C 97, 024322] Published Tue Feb 20, 2018

Absence of paired crossing in the positive parity bands of $^{124}\mathrm{Cs}$


Author(s): A. K. Singh, A. Basu, Somnath Nag, H. Hübel, J. Domscheit, I. Ragnarsson, A. Al-Khatib, G. B. Hagemann, B. Herskind, D. R. Elema, J. N. Wilson, R. M. Clark, M. Cromaz, P. Fallon, A. Görgen, I.-Y. Lee, D. Ward, and W. C. Ma

High-spin states in $^{124}\mathrm{Cs}$ were populated in the $^{64}\mathrm{Ni}(^{64}\mathrm{Ni},p3n)$ reaction and the Gammasphere detector array was used to measure $γ$-ray coincidences. Both positive- and negative-parity bands, including bands with chiral configurations, have been extended to hig...

[Phys. Rev. C 97, 024323] Published Tue Feb 20, 2018

Light charged clusters emitted in 32 MeV/nucleon $^{136,124}\mathrm{Xe}+^{124,112}\mathrm{Sn}$ reactions: Chemical equilibrium and production of $^{3}\mathrm{He}$ and $^{6}\mathrm{He}$


Author(s): R. Bougault, E. Bonnet, B. Borderie, A. Chbihi, D. Dell'Aquila, Q. Fable, L. Francalanza, J. D. Frankland, E. Galichet, D. Gruyer, D. Guinet, M. Henri, M. La Commara, N. Le Neindre, I. Lombardo, O. Lopez, L. Manduci, P. Marini, M. Pârlog, R. Roy, P. Saint-Onge, G. Verde, E. Vient, and M. Vigilante (INDRA Collaboration)

Background: The isovector part of the nuclear equation of state remains partly unknown and is the subject of many studies. The degree of equilibration between the two main collision partners in heavy ion reactions may be used to study the equation of state since it is connected to isospin ($N/Z$) tr...

[Phys. Rev. C 97, 024612] Published Tue Feb 20, 2018

$^{12}\mathrm{C}(n, 2n)^{11}\mathrm{C}$ cross section from threshold to 26.5 MeV


Author(s): M. Yuly, T. Eckert, G. Hartshaw, S. J. Padalino, D. N. Polsin, M. Russ, A. T. Simone, C. R. Brune, T. N. Massey, C. E. Parker, R. Fitzgerald, T. C. Sangster, and S. P. Regan

The $^{12}\mathrm{C}(n,2n)^{11}\mathrm{C}$ cross section was measured from just below threshold to 26.5 MeV using the Pelletron accelerator at Ohio University. Monoenergetic neutrons, produced via the $^{3}\mathrm{H}(d,n)^{4}\mathrm{He}$ reaction, were allowed to strike targets of polyethylene and g...

[Phys. Rev. C 97, 024613] Published Tue Feb 20, 2018