We study exotic structure of medium heavy hypernuclei with core nuclei of Ar isotopes and ${}^{40}\mathrm{Ca}$. Particulary, the superdeformed (SD) states and the corresponding hypernuclei are calculated in the frame of the Skyrme Hartree-Fock (SHF) + BCS model together with a microscopic $\mathrm{\Lambda}N$ interaction. We found t…

[Phys. Rev. C 94, 024331] Published Tue Aug 23, 2016

]]>Isospin properties of dipole excitations in ${}^{74}\mathrm{Ge}$ are investigated using the $\left(\alpha ,{\alpha}^{\prime}\gamma \right)$ reaction and compared to $\left(\gamma ,{\gamma}^{\prime}\right)$ data. The results indicate that the dipole excitations in the energy region of 6 to 9 MeV adhere to the scenario of the recently found splitting of the region of dipole excitations int…

[Phys. Rev. C 94, 024332] Published Tue Aug 23, 2016

]]>Using Penning trap mass spectrometry, we have performed a precise determination of the $Q$ value for the highly forbidden $\beta $ decay of ${}^{113}\mathrm{Cd}$. An independent measurement of the $Q$ value fixes the end-point energy in a fit to the ${}^{113}\mathrm{Cd}\phantom{\rule{4pt}{0ex}}\beta $-decay spectrum. This provides a strong test of systematics for detecto…

[Phys. Rev. C 94, 025505] Published Tue Aug 23, 2016

]]>The decay of a ${K}^{\pi}={8}^{-}$ isomer in ${}^{244}\mathrm{Pu}$ and the collective band structures populating the isomer were studied using deep inelastic excitations with ${}^{47}\mathrm{Ti}$ and ${}^{208}\mathrm{Pb}$ beams, respectively. Precise measurements of $M1/E2$ branching ratios in the band confirm a $9/{2}^{-}{\left[734\right]}_{\nu}\otimes 7/{2}^{+}{\left[624\right]}_{\nu}$ configuration assignment for…

[Phys. Rev. C 94, 021303(R)] Published Mon Aug 22, 2016

]]>A survey of the available single-proton data in $A\le 17$ nuclei was completed. These data, along with calculations using a Woods-Saxon potential, show that the ordering of the $0{d}_{5/2}$ and $1{s}_{1/2}$ proton orbitals are determined primarily by the proximity of the $s$-state proton energy to the Coulomb barrier. T…

[Phys. Rev. C 94, 024330] Published Mon Aug 22, 2016

]]>The pairing energy (${E}_{p}$) of fragments, which is assumed to have a finite temperature in heavy-ion collisions, is obtained using an isobaric yield ratio method in the framework of a modified Fisher model. The fragments in the measured and simulated $140A$ MeV ${}^{40,48}\mathrm{Ca}+\phantom{\rule{0.16em}{0ex}}{}^{9}\mathrm{Be}/{}^{181}\mathrm{Ta}$ and ${}^{58,64}\mathrm{Ni}+\phantom{\rule{0.16em}{0ex}}{}^{9}\mathrm{Be}/{}^{181}\mathrm{Ta}$ reac…

[Phys. Rev. C 94, 024615] Published Mon Aug 22, 2016

]]>The authors describe a means to infer a relationship between two long sought-after transport coefficients of the quark-gluon plasma: the ratio of shear viscosity to entropy density ($\eta /s$) and a coefficient, $\hat{q}$, that describes transverse momentum exchange between a fast parton or jet and the surrounding medium. Comparison to experimental data should be forthcoming.

[Phys. Rev. C 94, 024913] Published Mon Aug 22, 2016

]]>Glauber models based on nucleon-nucleon interactions are commonly used to characterize the initial state in high-energy nuclear collisions and the dependence of its properties on impact parameter or number of participating nucleons. In this paper, an extension to the Glauber model is presented, whic…

[Phys. Rev. C 94, 024914] Published Mon Aug 22, 2016

]]>Recent measurements of jet production rates at large transverse momentum (${p}_{T}$) in the collisions of small projectiles with large nuclei at the BNL Relativistic Heavy Ion Collider (RHIC) and the CERN Large Hadron Collider indicate that they have an unexpected relationship with estimates of the collisi…

[Phys. Rev. C 94, 024915] Published Mon Aug 22, 2016

]]>We investigate the possibility of ultracold neutron (UCN) storage in quantum states defined by the combined potentials of the Earth's gravity and the neutron optical repulsion by a horizontal surface of liquid helium. We analyze the stability of the lowest quantum state, which is most susceptible to…

[Phys. Rev. C 94, 025504] Published Mon Aug 22, 2016

]]>The ${}^{14}$N($p$,$\gamma $)${}^{15}$O reaction is the slowest reaction of the stellar CN(O) nucleosynthesis cycle and governs stellar energy production for all stars at some point during their lifetime. It therefore impacts many aspects of stellar structure and evolution. The authors report on new measurements of the energy, strength, and $\gamma $-ray branching ratios for the 259-keV resonance, which significantly reduce the uncertainty in estimating the $S$ factor for this reaction.

[Phys. Rev. C 94, 025803] Published Mon Aug 22, 2016

]]>One of the greatest questions for modern physics to address is how elements heavier than iron are created in extreme astrophysical environments. A particularly challenging part of that question is the creation of the so-called $p$-nuclei, which are believed to be mainly produced in some types of super…

[Phys. Rev. C 94, 025804] Published Mon Aug 22, 2016

]]>The Lippmann-Schwinger equation for the nucleon-nucleon $t$ matrix as well as the corresponding Bethe-Goldstone equation to determine the Brueckner reaction matrix in nuclear matter are reformulated in terms of the resolvents for the total two-nucleon Hamiltonians defined in free space and in medium c…

[Phys. Rev. C 94, 024328] Published Fri Aug 19, 2016

]]>**Background:** The fission processes of thermal excited nuclei are conventionally studied by statistical models which rely on inputs of phenomenological level densities and potential barriers. Therefore the microscopic descriptions of spontaneous fission and induced fission are very desirable for a uni…

[Phys. Rev. C 94, 024329] Published Fri Aug 19, 2016

]]>We investigated the ${}^{238}\mathrm{U}\left(d,p\right)$ reaction as a surrogate for the $n+{}^{238}\mathrm{U}$ reaction. For this purpose we measured for the first time the $\gamma $-decay and fission probabilities of ${}^{239}\mathrm{U}^{*}$ simultaneously and compared them to the corresponding neutron-induced data. We present the details of the procedure to infer t…

[Phys. Rev. C 94, 024614] Published Fri Aug 19, 2016

]]>We evaluate the Fermi and Gamow-Teller (GT) matrix elements in tritium $\beta $ decay by including in the charge-changing weak current the corrections up to one loop recently derived in nuclear chiral effective field theory ($\chi \mathrm{EFT}$). The trinucleon wave functions are obtained from hyperspherical-harmonics so…

[Phys. Rev. C 94, 024003] Published Thu Aug 18, 2016

]]>Isoscalar monopole transitions from the ground states to cluster states in ${}^{10}\mathrm{Be}$ and ${}^{9}\mathrm{Li}$ are investigated using ${}^{6}\mathrm{He}+\phantom{\rule{0.16em}{0ex}}\alpha $ and ${}^{6}\mathrm{He}+\phantom{\rule{0.16em}{0ex}}t$ cluster models, respectively. In ${}^{10}\mathrm{Be}$, significant monopole strengths are obtained for ${}^{6}\mathrm{He}+\phantom{\rule{0.16em}{0ex}}\alpha $ cluster resonances of ${}^{10}\mathrm{Be}\left({0}_{3,4}^{+}\right)$ above the $\alpha $-decay threshold, whereas the stren…

[Phys. Rev. C 94, 024326] Published Thu Aug 18, 2016

]]>In high-energy heavy-ion collisions, the directed flow of particles is conventionally measured with respect to that of the projectile spectators, which is defined as positive $x$ direction, but it is not known if the spectators deflect in the outward or inward directions—outward or toward the center l…

[Phys. Rev. C 94, 021901(R)] Published Wed Aug 17, 2016

]]>By using local central Yukawa-type interactions that reproduce the low-energy parameters of the latest updates of the Nijmegen ESC08c potentials, we show that the $N\mathrm{\Xi},NN\mathrm{\Xi},N\mathrm{\Xi}\mathrm{\Xi}$, and $NN\mathrm{\Xi}\mathrm{\Xi}$ systems with maximal isospin are bound. Since in these states the strong decay $N\mathrm{\Xi}\to \mathrm{\Lambda}\mathrm{\Lambda}$ is forbidden by isospin conse…

[Phys. Rev. C 94, 024002] Published Wed Aug 17, 2016

]]>The time dependent local isospin density approximation (TDLIDA) has been extended to the study of the transverse isospin response function in nuclear matter with an arbitrary neutron-proton asymmetry parameter $\xi $. The energy density functional has been chosen in order to fit existing accurate quantum…

[Phys. Rev. C 94, 024323] Published Wed Aug 17, 2016

]]>It is pointed out that the ground state of $n$ neutrons and $n$ protons in a single-$j$ shell, interacting through an isoscalar ($T=0$) pairing force, is not paired, $J=0$, but rather spin aligned, $J=n$. This observation is explained in the context of a model of isoscalar $P$ ($J=1$) pairs, which is mapped onto a …

[Phys. Rev. C 94, 024324] Published Wed Aug 17, 2016

]]>The neutron-rich ${}^{39}\mathrm{S}$ nucleus has been studied using binary grazing reactions produced by the interaction of a 215-MeV beam of ${}^{36}\mathrm{S}$ ions with a thin ${}^{208}\mathrm{Pb}$ target. The magnetic spectrometer, PRISMA, and the $\gamma $-ray array, CLARA, were used in the measurements. Gamma-ray transitions of the following energi…

[Phys. Rev. C 94, 024325] Published Wed Aug 17, 2016

]]>The ${}^{9}\mathrm{Be}(\gamma ,n){}^{8}\mathrm{Be}$ reaction is enhanced by a near-threshold $1/{2}^{+}$ state. Contradictions between existing measurements of this reaction cross section affect calculations of astrophysical $r$-process yields, dark matter detector calibrations, and the theory of the nuclear structure of ${}^{9}\mathrm{Be}$. Select well-docum…

[Phys. Rev. C 94, 024613] Published Wed Aug 17, 2016

]]>The effects of event-by-event fluctuations in the initial geometry of colliding nuclei are important in the analysis of final flow observables in relativistic heavy-ion collisions. We use hydrodynamic simulations to study the amplitude correlations between different orders of event-by-event fluctuat…

[Phys. Rev. C 94, 024910] Published Wed Aug 17, 2016

]]>Deviations from thermal distribution functions of produced particles in relativistic heavy-ion collisions are discussed as indicators for nonequilibrium processes. The focus is on rapidity distributions of produced charged hadrons as functions of collision energy and centrality, which are used to in…

[Phys. Rev. C 94, 024911] Published Wed Aug 17, 2016

]]>This paper coarse-grains a state-of-the-art transport model to simulate the effective temperatures and densities during the space-time evolution of heavy-ion collisions measured at RHIC. The authors show that the results are consistent with measurements of dielectron spectra from two independent experiments ranging from the lowest to the highest beam energies, thus providing direct information of the properties of matter at extreme energy densities.

[Phys. Rev. C 94, 024912] Published Wed Aug 17, 2016

]]>The interference of ${\rho}^{0}$ and $\omega $ mesons has been studied in the hadronic and leptonic decay channels, i.e., dipion and dilepton decay channels respectively, but this interference has not been studied yet in the semihadronic or semileptonic decay channel, e.g., $V\to {\pi}^{0}\gamma $. $V$ denotes either a ${\rho}^{0}$ or $\omega $ meson. To…

[Phys. Rev. C 94, 025204] Published Wed Aug 17, 2016

]]>Balance functions have been measured in terms of relative pseudorapidity ($\mathrm{\Delta}\eta $) for charged particle pairs at the BNL Relativistic Heavy Ion Collider from Au + Au collisions at $\sqrt{{s}_{\mathrm{NN}}}=7.7\phantom{\rule{4pt}{0ex}}\mathrm{GeV}$ to 200 GeV using the STAR detector. These results are compared with balance functions measured at the CERN Large H…

[Phys. Rev. C 94, 024909] Published Tue Aug 16, 2016

]]>General relativity and the standard model are invariant under Lorentz transformations. Lorentz invariance violation is one manifestation of $C\phantom{\rule{0}{0ex}}P\phantom{\rule{0}{0ex}}T$ violation. Weak interactions violate discrete symmetries ($C$, $P$, $C\phantom{\rule{0}{0ex}}P$, and $T$) suggesting searches for violation of $C\phantom{\rule{0}{0ex}}P\phantom{\rule{0}{0ex}}T$ and Lorentz invariance in weak interactions such as ${}^{20}$Na ${\beta}^{+}$ decay. This search for a dependence of the ${}^{20}$Na lifetime on the nuclear spin direction improves the limit on sidereal variation in the relative lifetime difference by a factor of 15.

[Phys. Rev. C 94, 025503] Published Tue Aug 16, 2016

]]>In this paper we study yrast states of ${}^{128,126,124}\mathrm{Sn}$ and ${}^{104,106,108}\mathrm{Sn}$ by using the monopole-optimized realistic interactions in terms of both the shell model (SM) and the nucleon-pair approximation (NPA). For yrast states of ${}^{128,126}\mathrm{Sn}$ and ${}^{104,106}\mathrm{Sn}$, we calculate the overlaps between the wave functi…

[Phys. Rev. C 94, 024321] Published Mon Aug 15, 2016

]]>We calculate the correlation parameter $\kappa $ of symmetric nuclear matter in the Brueckner-Hartree-Fock approximation obtained with various modern nucleon-nucleon potentials of high precision. We point out qualitative differences between the potentials and elucidate the consequences for momentum distribu…

[Phys. Rev. C 94, 024322] Published Mon Aug 15, 2016

]]>**Background:** Nuclear short-range correlations (SRCs) are corrections to mean-field wave functions connected with the short-distance behavior of the nucleon-nucleon interaction. These SRCs provide corrections to lepton-nucleus cross sections as computed in the impulse approximation (IA).

**Purpose:** We w…

[Phys. Rev. C 94, 024611] Published Mon Aug 15, 2016

]]>**Background:** Reactions with stable beams have demonstrated strong interplay between nuclear structure and fusion. Exotic beam facilities open new perspectives to understand the impact of neutron skin, large isospin, and weak binding energies on fusion. Microscopic theories of fusion are required to g…

[Phys. Rev. C 94, 024612] Published Mon Aug 15, 2016

]]>We generalize calculations of the energy-momentum tensor for classical gluon fields in the boost-invariant McLerran-Venugopalan model using the small-$\tau $ power series expansion method. Results to all orders for the energy density and pressures are given in the leading ${Q}^{2}$ approximation and with the inc…

[Phys. Rev. C 94, 024908] Published Mon Aug 15, 2016

]]>We explore the breaking of Lorentz and $\mathit{CPT}$ invariance in strong interactions at low energy in the framework of chiral perturbation theory. Starting from the set of Lorentz-violating operators of mass-dimension five with quark and gluon fields, we construct the effective chiral Lagrangian with hadron…

[Phys. Rev. C 94, 025502] Published Mon Aug 15, 2016

]]>The missing mass spectroscopy of the ${}_{\mathrm{\Lambda}}{}^{7}\mathrm{He}$ hypernucleus was performed using the ${}^{7}\mathrm{Li}(e,{e}^{\prime}{K}^{+})\phantom{\rule{0.16em}{0ex}}{}_{\mathrm{\Lambda}}{}^{7}\mathrm{He}$ reaction at the Thomas Jefferson National Accelerator Facility Hall C. The $\mathrm{\Lambda}$-binding energy of the ground-state ($1/{2}^{+}$) was determined with a smaller error than that of the previous measurement, being ${B}_{\mathrm{\Lambda}}=\mathrm{5.\dots}$

[Phys. Rev. C 94, 021302(R)] Published Fri Aug 12, 2016

]]>The $\beta $ decay of ${}^{124}\mathrm{Cd}$ into levels in ${}^{124}\mathrm{In}$ was reinvestigated at the Holifield Radioactive Ion Beam Facility. Fifty-MeV protons were bombarded on uranium targets and the induced fission products were mass separated and deposited on a moving tape in the center of an array of $\gamma $ detectors. The resulting…

[Phys. Rev. C 94, 024317] Published Fri Aug 12, 2016

]]>An earlier coexistence model of Ge nuclei is applied to $E2$ strengths connecting low-lying ${0}^{+}$ and ${2}^{+}$ states in ${}^{72}\mathrm{Ge}$. New data have smaller uncertainties and, for the first time, a value for the transition strength from the third ${2}^{+}$ state to the second ${0}^{+}$ state. This $B$($E2$) for the third ${2}^{+}$ state clear…

[Phys. Rev. C 94, 024318] Published Fri Aug 12, 2016

]]>The decays of two isomeric states in the neutron-rich nucleus ${}^{75}\mathrm{Cu}$ have been studied via delayed $\gamma $-ray spectroscopy. These states were populated by the fragmentation of a $60.4\phantom{\rule{4pt}{0ex}}A\phantom{\rule{0.16em}{0ex}}\mathrm{MeV}{}^{86}\mathrm{Kr}$ primary beam, which impinged on a Be target at the LISE2k spectrometer of GANIL. Isomeric half-lives and branching …

[Phys. Rev. C 94, 024319] Published Fri Aug 12, 2016

]]>The effects of nuclear isospin asymmetry on $\alpha $-decay lifetimes of heavy nuclei are investigated within various phenomenological models of the nuclear potential for the $\alpha $ particle. We consider the widely used simple square-well potential and Woods-Saxon potential and modify them by including an isospi…

[Phys. Rev. C 94, 024320] Published Fri Aug 12, 2016

]]>Recently a quantitative description of the two-neutron transfer reaction ${}^{12}\mathrm{C}({}^{18}\mathrm{O},{}^{16}\mathrm{O}){}^{14}\mathrm{C}$ was performed and the measured cross sections were successfully reproduced [M. Cavallaro *et al.*, Phys. Rev. C **88**, 054601 (2013)]. This task was accomplished by combining nuclear structure calculations of spectr…

[Phys. Rev. C 94, 024610] Published Fri Aug 12, 2016

]]>We quantitatively estimate properties of the quark-gluon plasma created in ultrarelativistic heavy-ion collisions utilizing Bayesian statistics and a multiparameter model-to-data comparison. The study is performed using a recently developed parametric initial condition model, ${\mathrm{T}}_{\mathrm{R}}\text{ENTo}$, which interpola…

[Phys. Rev. C 94, 024907] Published Fri Aug 12, 2016

]]>We calculated the half-life times (${T}_{c}$) of the ${}^{14}\mathrm{C},{}^{20}\mathrm{O},{}^{20}\mathrm{Ne}$, and ${}^{24}\mathrm{Ne}$ cluster emissions from heavy and superheavy nuclei. The variation of ${T}_{c}$ with the neutron and proton numbers of daughter nuclei is studied to determine the minima in ${log}_{10}{T}_{c}$ at each neutron number for different daughter isotones. …

[Phys. Rev. C 94, 024316] Published Thu Aug 11, 2016

]]>We use the breakup absorption model to simultaneously describe the measured cross sections of complete fusion (CF), incomplete fusion (ICF), and total fusion (TF) in nuclear reactions induced by weakly bound nuclei ${}^{6,7}\mathrm{Li}$ on ${}^{209}\mathrm{Bi}$ and ${}^{198}\mathrm{Pt}$ targets. The absorption cross sections are calculated using …

[Phys. Rev. C 94, 024609] Published Thu Aug 11, 2016

]]>Pairing gaps in neutron matter need to be computed in a wide range of densities to address open questions in neutron-star phenomenology. Traditionally, the Bardeen-Cooper-Schrieffer approach has been used to compute gaps from bare nucleon-nucleon interactions. Here we incorporate the influence of sh…

[Phys. Rev. C 94, 025802] Published Thu Aug 11, 2016

]]>The triple $\alpha $-decay chain ${}^{114}\mathrm{Ba}\to {}^{110}\mathrm{Xe}\to {}^{106}\mathrm{Te}\to {}^{102}\mathrm{Sn}$ has been directly observed for the first time, following the ${}^{58}\mathrm{Ni}\left({}^{58}\mathrm{Ni},2n\right)$ reaction. Implantation of ${}^{114}\mathrm{Ba}$ nuclei into a double-sided silicon-strip detector has allowed their $\alpha $ decays to be correlated in position and time with the $\alpha $ decays of the daug…

[Phys. Rev. C 94, 024314] Published Wed Aug 10, 2016

]]>We further investigate the cluster emission from heavy nuclei beyond the lead region in the framework of the preformed cluster model. The refined cluster-core potential is constructed by the double-folding integral of the density distributions of the daughter nucleus and the emitted cluster, where t…

[Phys. Rev. C 94, 024315] Published Wed Aug 10, 2016

]]>**Background:** Nuclear reactions are complex, involving collisions between composite systems where many-body dynamics determines outcomes. Successful models have been developed to explain particular reaction outcomes in distinct energy and mass regimes, but a unifying picture remains elusive. The irrev…

[Phys. Rev. C 94, 024607] Published Wed Aug 10, 2016

]]>We considered three different nucleon-nucleon (*NN*) elastic differential cross sections: the Cugnon *et al.* parameterized differential cross section [Nucl. Instrum. Methods Phys. Res., Sect. B **111**, 215 (1996)], the differential cross section derived from the collision term of the self-consistent relat…

[Phys. Rev. C 94, 024608] Published Wed Aug 10, 2016

]]>Strong magnetic fields have important effects on the crustal properties of magnetars. Here we study the magnetoelastic oscillations of magnetars, taking into consideration the effect of strong magnetic fields on the crustal composition (magnetized crust). We calculate global magnetoelastic (GME) mod…

[Phys. Rev. C 94, 025801] Published Wed Aug 10, 2016

]]>We apply the large-${N}_{c}$ expansion to the time-reversal-invariance-violating (TV) nucleon-nucleon potential. The operator structures contributing to next-to-next-to-leading order in the large-${N}_{c}$ counting are constructed. For the TV and parity-violating case we find a single operator structure at leadin…

[Phys. Rev. C 94, 024001] Published Tue Aug 09, 2016

]]>In this paper we study odd-even staggering phenomena of binding energy in the framework of the nuclear shell model for nuclei in the $sd$ shell. We decompose the USDB effective interaction into the monopole interaction and multipole (residual) interactions. We extract the empirical proton-neutron inte…

[Phys. Rev. C 94, 024312] Published Tue Aug 09, 2016

]]>The level structures of ${}^{130,132}\text{Xe}$ were studied with the inelastic neutron scattering reaction followed by $\gamma $-ray detection. Level lifetimes were measured using the Doppler-shift attenuation method and low-lying excited states in these nuclei were characterized. With a focus on the decay properties of…

[Phys. Rev. C 94, 024313] Published Tue Aug 09, 2016

]]>**Background:** ${}^{34}\mathrm{Na}$ is conjectured to play an important role in the production of seed nuclei in the alternate $r$-process paths involving light neutron rich nuclei very near the $\beta $-stability line, and as such, it is important to know its ground state properties and structure to calculate rates of the rea…

[Phys. Rev. C 94, 024606] Published Tue Aug 09, 2016

]]>Momentum-space azimuthal harmonic event planes (EP) are constructed from final-state midrapidity particles binned in transverse momentum $\left({p}_{T}\right)$ in $\sqrt{{s}_{NN}}=200$ GeV Au+Au collisions in a multiphase transport (AMPT) model. The EP correlations between ${p}_{T}$ bins, corrected by EP resolutions, are smaller than uni…

[Phys. Rev. C 94, 024905] Published Tue Aug 09, 2016

]]>Partonic matter produced in the early stage of ultrarelativistic nucleus-nucleus collisions is assumed to be composed mainly of gluons, and quarks and antiquarks are produced at later times. To study the implications of such a scenario, the dynamical evolution of a chemically nonequilibrated system …

[Phys. Rev. C 94, 024906] Published Tue Aug 09, 2016

]]>**Background:** Synthesis of superheavy elements (SHEs) with fusion-evaporation reactions is strongly hindered by the quasifission (QF) mechanism which prevents the formation of an equilibrated compound nucleus and which depends on the structure of the reactants. New SHEs have been recently produced wit…

[Phys. Rev. C 94, 024605] Published Mon Aug 08, 2016

]]>Nuclear dissipation retards fission. Using the stochastic Langevin model, we calculate the drop of fission cross section caused by friction over its standard statistical-model value, ${\sigma}_{f}^{\mathrm{drop}}$, as a function of the presaddle friction strength for fissioning nuclei ${}^{195}\mathrm{Bi},{}^{202}\mathrm{Bi}$, and ${}^{209}\mathrm{Bi}$ as well as for…

[Phys. Rev. C 94, 021601(R)] Published Fri Aug 05, 2016

]]>$\beta $ decay of neutron-rich nuclide ${}^{94}\mathrm{Kr}$ was reinvestigated by means of a high resolution on-line mass separator and $\beta -\gamma $ spectroscopy. In total 22 $\gamma $-ray transitions were assigned to the decay of ${}^{94}\mathrm{Kr}$, and a new isomeric state was identified. The new information allows us to build detailed levels systema…

[Phys. Rev. C 94, 024305] Published Fri Aug 05, 2016

]]>The isoscalar giant quadrupole resonance in ${}^{28}\mathrm{Si}$ and ${}^{27}\mathrm{Al}$ has been investigated with high-energy-resolution proton inelastic scattering at ${E}_{\mathrm{p}}=200\phantom{\rule{4pt}{0ex}}\mathrm{MeV}$ and at scattering angles close to the maximum of $\mathrm{\Delta}L=2$ angular distributions with the K600 magnetic spectrometer of iThemba LABS, South Africa. Characte…

[Phys. Rev. C 94, 024308] Published Fri Aug 05, 2016

]]>The ground state phase transition in Nd, Sm, and Gd isotopes is investigated by using the Nilsson mean-field plus standard pairing model based on the exact solutions obtained from the extended Heine-Stieltjes correspondence. The results of the model calculations successfully reproduce the critical p…

[Phys. Rev. C 94, 024309] Published Fri Aug 05, 2016

]]>The collective nature of high-spin yrast states in even-even ${}^{160-190}\mathrm{W}$ isotopes was systematically investigated by means of pairing self-consistent Woods-Saxon-Strutinsky calculations using the total Routhian surface approach in $({\beta}_{2},\gamma ,{\beta}_{4})$ deformation space. The calculated ground-state deformations ar…

[Phys. Rev. C 94, 024310] Published Fri Aug 05, 2016

]]>The high-spin states in ${}^{153}\text{Ho}$ have been studied by the ${}_{\phantom{\rule{4pt}{0ex}}57}{}^{139}\text{La}({}^{20}\text{Ne},6n)$ reaction at a projectile energy of 139 MeV at the Variable Energy Cyclotron Centre (VECC), Kolkata, India, utilizing an earlier campaign of the Indian National Gamma Array (INGA) setup. Data from $\gamma -\gamma $ coincidence, directional cor…

[Phys. Rev. C 94, 024311] Published Fri Aug 05, 2016

]]>The scaling of photoproduction $\gamma p\to {\pi}^{0}p$ is investigated in the Reggeized model with ${N}^{*}$ and $\mathrm{\Delta}$ resonances included to describe resonance peaks up to photon energy ${E}_{\gamma}=3\phantom{\rule{4pt}{0ex}}\mathrm{GeV}$. Given the $t$-channel exchanges $\rho \left(770\right)+\omega \left(780\right)+{b}_{1}\left(1235\right)+{h}_{1}\left(1170\right)$ Reggeized for the background contribution, the resonances of the Breit…

[Phys. Rev. C 94, 025202] Published Fri Aug 05, 2016

]]>Possibilities of observing a signal of an ${\eta}^{\prime}n$ bound state are investigated by considering photoproductions of the $\eta $ and ${\eta}^{\prime}$ mesons on a deuteron target with forward proton emission. For this purpose, we take the ${\eta}^{\prime}n$ interaction from the linear $\sigma $ model with a coupling to $\eta n$, in which an $s\text{-wave}{\eta}^{\prime}n$ bou…

[Phys. Rev. C 94, 025203] Published Fri Aug 05, 2016

]]>**Background:** Single-reference density functional theory is very successful in reproducing bulk nuclear properties like binding energies, radii, or quadrupole moments throughout the entire periodic table. Its extension to the multireference level allows for restoring symmetries and, in turn, for calcu…

[Phys. Rev. C 94, 024306] Published Thu Aug 04, 2016

]]>In this paper we study low-lying states of five $N=82$ isotones, ${}^{134}\mathrm{Te},{}^{136}\mathrm{Xe},{}^{138}\mathrm{Ba},{}^{140}\mathrm{Ce}$ and ${}^{142}\mathrm{Nd}$, within the framework of the nucleon-pair approximation (NPA). For the low-lying yrast states of ${}^{136}\mathrm{Xe}$ and ${}^{138}\mathrm{Ba}$, we calculate the overlaps between the wave functions obtained in the full shell-model …

[Phys. Rev. C 94, 024307] Published Thu Aug 04, 2016

]]>The radiative neutron capture cross sections for nuclei participating in the $s$-process and the $p$-process nucleosynthesis in and around the $N=50$ closed neutron shell have been calculated in a statistical semimicroscopic Hauser-Feshbach approach for the energy range of astrophysical interest. A folded…

[Phys. Rev. C 94, 024604] Published Thu Aug 04, 2016

]]>We report on the first measurement of $p\mathrm{\Lambda}$ and $pp$ correlations via the femtoscopy method in $p$ + Nb reactions at $\sqrt{{s}_{\mathit{NN}}}=3.18\phantom{\rule{0.28em}{0ex}}\mathrm{GeV}$, studied with the High Acceptance Di-Electron Spectrometer (HADES). By comparing the experimental correlation function to model calculations, a source size for $pp$ pairs of ${r}_{0,pp}=\mathrm{\dots}$

[Phys. Rev. C 94, 025201] Published Thu Aug 04, 2016

]]>Relativistic self-consistent mean-field (SCMF) models naturally account for the coupling of the nucleon spin to its orbital motion, whereas nonrelativistic SCMF methods necessitate a phenomenological ansatz for the effective spin-orbit potential. Recent experimental studies aim to explore the isospi…

[Phys. Rev. C 94, 024304] Published Wed Aug 03, 2016

]]>**Background**: Octupole-deformed nuclei, such as that of ${}^{225}\mathrm{Ra}$, are expected to amplify observable atomic electric dipole moments (EDMs) that arise from time-reversal and parity-violating interactions in the nuclear medium. In 2015 we reported the first “proof-of-principle” measurement of the ${}^{225}\mathrm{Ra}$ ato…

[Phys. Rev. C 94, 025501] Published Wed Aug 03, 2016

]]>In this paper we analyze the effects of the projectile resonances on the total, Coulomb, and nuclear breakup cross sections as well as on the Coulomb-nuclear interferences at different arbitrary incident energies. It is found that these resonances have non-negligible effects on the total, Coulomb, a…

[Phys. Rev. C 94, 024602] Published Tue Aug 02, 2016

]]>Neutrinoless double-$\beta $ decay ($0\nu \beta \beta $ decay) is a hypothetical process that can occur if the neutrino is its own antiparticle. The COBRA Collaboration operates a demonstrator to search for these decays at the Laboratori Nazionali del Gran Sasso in Italy using CdZnTe semiconductor detectors. The exposure…

[Phys. Rev. C 94, 024603] Published Tue Aug 02, 2016

]]>Fluctuations of conserved quantities are sensitive observables to probe the signature of QCD phase transition and critical point in heavy-ion collisions. With the UrQMD model, we have studied the centrality and energy dependence of various order cumulants and cumulant ratios (up to fourth order) of …

[Phys. Rev. C 94, 024901] Published Tue Aug 02, 2016

]]>We study the evolution of the full jet shower in quark-gluon plasma by solving a set of coupled differential transport equations for the three-dimensional momentum distributions of quarks and gluons contained in full jets. In our jet evolution equations, we include all partonic splitting processes a…

[Phys. Rev. C 94, 024902] Published Tue Aug 02, 2016

]]>Spectator fragments resulting from relativistic heavy ion collisions, consisting of single protons and neutrons along with groups of stable nuclear fragments up to nitrogen $\left(Z=7\right)$, are measured in PHOBOS. These fragments are observed in Au+Au $\left(\sqrt{{s}_{{}_{NN}}}=19.6\phantom{\rule{0.16em}{0ex}}\mathrm{GeV}\right)$ and Cu+Cu (22.4 GeV) collisions at high pseu…

[Phys. Rev. C 94, 024903] Published Tue Aug 02, 2016

]]>Fermions become polarized in a vortical fluid due to spin-vorticity coupling. Such a polarization can be calculated from the Wigner function in a quantum kinetic approach. By extending previous results for chiral fermions, we derive the Wigner function for massive fermions up to next-to-leading orde…

[Phys. Rev. C 94, 024904] Published Tue Aug 02, 2016

]]>High-spin states of ${}^{123}\mathrm{Ba}$ have been studied via the ${}^{108}\mathrm{Cd}({}^{19}\mathrm{F},3np){}^{123}\mathrm{Ba}$ fusion-evaporation reaction at a beam energy of 90 MeV. Several $E1$ transitions linking the positive-parity $\nu ({d}_{5/2}+{g}_{7/2})$ band and negative-parity $\nu {h}_{11/2}$ band are observed in ${}^{123}\mathrm{Ba}$ for the first time. Evidence for the existence of…

[Phys. Rev. C 94, 021301(R)] Published Mon Aug 01, 2016

]]>By using the general triaxial rotor model (TRM) and the phonon-configuration mixing scheme within an anharmonic-vibrator (AHV) framework, a series of global correlations between electromagnetic properties of nuclear ${2}_{1}^{+}$ and ${2}_{2}^{+}$ states are analytically established. The correlations from both models c…

[Phys. Rev. C 94, 024301] Published Mon Aug 01, 2016

]]>Resonance plays a key role in the formation of many physical phenomena. The complex-scaled Green's function method provides a powerful tool for exploring resonance. In this paper, we combine this method with the theory describing deformed nuclei with the formalism presented. Taking ${}^{45}\text{S}$ as an example…

[Phys. Rev. C 94, 024302] Published Mon Aug 01, 2016

]]>The $\beta $ decay of the semi-magic nucleus ${}^{130}\mathrm{Cd}$ has been studied at the RIBF facility at the RIKEN Nishina Center. The high statistics of the present experiment allowed for a revision of the established level scheme of ${}^{130}\mathrm{In}$ and the observation of additional $\beta $ feeding to high-lying core-excited states i…

[Phys. Rev. C 94, 024303] Published Mon Aug 01, 2016

]]>The production cross sections for primary and residual fragments with charge number from $Z=70$ to 120 produced in the collision of ${}^{238}\text{U}+\phantom{\rule{0.16em}{0ex}}{}^{238}\text{U}$ at 7.0 MeV/nucleon are calculated by the improved quantum molecular dynamics (ImQMD) model incorporated with the statistical evaporation model (hivap code). The…

[Phys. Rev. C 94, 024601] Published Mon Aug 01, 2016

]]>Starting from a set of different two- and three-nucleon interactions from chiral effective field theory, we use the importance-truncated no-core shell model for *ab initio* calculations of excitation energies as well as electric quadrupole $\left(E2\right)$ and magnetic dipole $\left(M1\right)$ moments and transition strengths…

[Phys. Rev. C 94, 014322] Published Fri Jul 29, 2016

]]>**Background:** The search for new opportunities to investigate the low-energy level in the ${}^{229}\mathrm{Th}$ nucleus, which is nowadays intensively studied experimentally, has motivated us to theoretical studies of the magnetic hyperfine (MHF) structure of the $5/{2}^{+}$ (0.0 eV) ground state and the low-lying $3/{2}^{+}$ (7.8…

[Phys. Rev. C 94, 014323] Published Fri Jul 29, 2016

]]>A systematic study of both the observed positive-parity magnetic rotation band and the negative-parity $\mathrm{\Delta}I=1$ doublet bands in an odd-odd ${}^{106}\mathrm{Ag}$ nucleus is carried out. The negative-parity doublet bands depict some unusual features that have not been observed in any isotope in the mass $A=100$ region. Fo…

[Phys. Rev. C 94, 014324] Published Fri Jul 29, 2016

]]>**Background:** In the design of deuteron accelerator neutron sources, accurate nuclear data of deuteron-induced reactions are indispensable over a wide range of incident energy. Reliable model calculations play an important role in completing the necessary nuclear data since currently available experim…

[Phys. Rev. C 94, 014618] Published Fri Jul 29, 2016

]]>A set of global optical potential parameters, DA1p, for deuterons with the $1p$-shell nuclei is obtained by simultaneously fitting 67 sets of experimental data of deuteron elastic scattering from ${}^{6}\mathrm{Li}$, ${}^{9}\mathrm{Be}$, ${}^{10}\mathrm{B}$, ${}^{11}\mathrm{B}$, ${}^{12}\mathrm{C}$, ${}^{13}\mathrm{C}$, ${}^{14}\mathrm{N}$, ${}^{16}\mathrm{O}$, and ${}^{18}\mathrm{O}$ with incident energies between 5.25 and 170 MeV. DA1p impr…

[Phys. Rev. C 94, 014619] Published Fri Jul 29, 2016

]]>Elastic pion-nucleon scattering is analyzed in the framework of chiral perturbation theory up to fourth order within the heavy-baryon expansion and a covariant approach based on an extended on-mass-shell renormalization scheme. We discuss in detail the renormalization of the various low-energy const…

[Phys. Rev. C 94, 014620] Published Fri Jul 29, 2016

]]>The Vlasov formalism is extended to relativistic mean field hadron models with nonlinear terms up to fourth order and applied to the calculation of the crust-core transition density. The effect of the nonlinear $\omega \rho $ and $\sigma \rho $ coupling terms on the crust-core transition density and pressure and on the mac…

[Phys. Rev. C 94, 015808] Published Fri Jul 29, 2016

]]>We present an analysis of dihadron correlations using recently developed methods for background subtraction which allow for higher precision measurements with fewer assumptions about the background. These studies indicate that low momentum jets interacting with the medium do not equilibrate with the…

[Phys. Rev. C 94, 011901(R)] Published Thu Jul 28, 2016

]]>**Background:** The configuration-interaction approach to nuclear structure uses the effective Hamiltonian in a finite orbital space. The various parts of this Hamiltonian and their interplay are responsible for specific features of physics including the shape of the mean field and level density. This i…

[Phys. Rev. C 94, 014321] Published Thu Jul 28, 2016

]]>**Background:** The ${}^{16}\mathrm{O}(e,{e}^{\prime}p)$ reaction in the quasielastic region has been studied in several experiments to determine spectroscopic factors, hence, the degree to which ${}^{16}\mathrm{O}$ looks like a closed shell. By varying the kinematics, experimentalists are able to extract response functions which comprise the c…

[Phys. Rev. C 94, 014617] Published Thu Jul 28, 2016

]]>We present measurements of the near side of triggered di-hadron correlations using neutral strange baryons $(\mathrm{\Lambda},\phantom{\rule{0.16em}{0ex}}\overline{\mathrm{\Lambda}})$ and mesons $\left({K}_{S}^{0}\right)$ at intermediate transverse momentum $(3{p}_{T}6\mathrm{GeV}/c)$ to look for possible flavor and baryon-meson dependence. This study is performed in $d+\mathrm{Au}$, Cu+Cu, and Au+Au co…

[Phys. Rev. C 94, 014910] Published Thu Jul 28, 2016

]]>We study the near-threshold incoherent $\varphi $ photoproduction on the deuteron based on a model of $\gamma N\to \varphi N$, consisting of Pomeron, $(\pi ,\eta )$ exchanges, and a ${J}^{P}=3/{2}^{-}$ resonance, which describes the low-energy $\gamma p\to \varphi p$ LEPS data well, including the peak in the forward differential cross section. The calculation is d…

[Phys. Rev. C 94, 015202] Published Thu Jul 28, 2016

]]>We present a phenomenological study of nuclear effects in neutrino charged-current interactions, using transverse kinematic imbalances in exclusive measurements. Novel observables with minimal dependence on neutrino energy are proposed to study quasielastic scattering and especially resonance produc…

[Phys. Rev. C 94, 015503] Published Thu Jul 28, 2016

]]>We investigate the effect of strong magnetic fields on the adiabatic radial oscillations of hadronic stars. We describe magnetized hadronic matter within the framework of the relativistic nonlinear Walecka model and integrate the equations of relativistic radial oscillations to determine the fundame…

[Phys. Rev. C 94, 015807] Published Thu Jul 28, 2016

]]>A model describing nuclear collisions at intermediate energies is presented and the results are compared with recently measured double differential cross sections in C-C reactions at 95 MeV/nucleon. Results show the key role played by geometrical effects and the memory of the entrance channel, in pa…

[Phys. Rev. C 94, 014616] Published Wed Jul 27, 2016

]]>A linearized Boltzmann transport (LBT) model coupled with hydrodynamical background is established to describe the evolution of jet shower partons and medium excitations in high energy heavy-ion collisions. We extend the LBT model to include both elastic and inelastic processes for light and heavy p…

[Phys. Rev. C 94, 014909] Published Tue Jul 26, 2016

]]>We investigate the impact of pairing correlations on neutrino transport in stellar matter. Our analysis is extended to nuclear matter conditions where large density fluctuations may develop, associated with the onset of the liquid-vapor phase transition, and where clustering phenomena occur. Within …

[Phys. Rev. C 94, 012801(R)] Published Mon Jul 25, 2016

]]>The breakup reaction ${}^{9}\mathrm{Be}({}^{4}\mathrm{He},3\alpha )\mathit{n}$ was measured using an array of four double-sided silicon strip detectors at beam energies of 22 and 26 MeV. Excited states in ${}^{9}\mathrm{Be}$ up to 8 MeV were populated and reconstructed through measurements of the charged reaction products. Evidence is given for a state in ${}^{9}\mathrm{Be}$…

[Phys. Rev. C 94, 014320] Published Mon Jul 25, 2016

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