In-source laser spectroscopy experiments for bismuth isotopes at the 306.77-nm atomic transition has been carried out at the Investigation of Radioactive Isotopes on Synchrocyclotron facility of Petersburg Nuclear Physics Institute. New data on isotope shifts and hyperfine structure for Bi ground st…

[Phys. Rev. C 95, 044324] Published Fri Apr 28, 2017

]]>An upper limit to the mass of the three-proton unbound nucleus ${}^{17}\mathrm{Na}$ was measured to be $\mathrm{\Delta}M\le 34.72\left(6\right)$ MeV. The excitation energies, widths, and decay modes for one- and two-proton decaying states of ${}^{8}\mathrm{B},{}^{9}\mathrm{B},{}^{9}\mathrm{C},{}^{16}\mathrm{F}$, and ${}^{17}\mathrm{Ne}$ were also measured. The energy-angular decay correlations in the $2p$ decay of $\mathrm{N\dots}$

[Phys. Rev. C 95, 044326] Published Fri Apr 28, 2017

]]>**Background**: Two-nucleon ($2N$) short-range correlations (SRC) in nuclei have been recently thoroughly investigated, both theoretically and experimentally and the study of three-nucleon ($3N$) SRC, which could provide important information on short-range hadronic structure, is underway. Novel theoretical…

[Phys. Rev. C 95, 044327] Published Fri Apr 28, 2017

]]>**Background:** Various cluster states of astrophysical interest are expected to exist in the excited states of ${}^{28}\mathrm{Si}$. However, they have not been identified firmly, because of the experimental and theoretical difficulties.

**Purpose:** To establish the ${}^{24}\mathrm{Mg}+\alpha ,{}^{16}\mathrm{O}+{}^{12}\mathrm{C}$, and ${}^{20}\mathrm{Ne}+2\alpha $ cluster bands, we theoretic…

[Phys. Rev. C 95, 044328] Published Fri Apr 28, 2017

]]>Ultracold neutrons (UCNs) are key for precision studies of fundamental parameters of the neutron and in searches for new charge-parity-violating processes or exotic interactions beyond the Standard Model of particle physics. The most prominent example is the search for a permanent electric-dipole mo…

[Phys. Rev. C 95, 045503] Published Fri Apr 28, 2017

]]>Of particular interest in astrophysics is the ${}^{34}\mathrm{S}(p,\gamma ){}^{35}\mathrm{Cl}$ reaction, which serves as a stepping stone in thermonuclear runaway reaction chains during a nova explosion. Though the isotopes involved are all stable, the reaction rate of this significant step is not well known, due to a lack of experime…

[Phys. Rev. C 95, 045808] Published Fri Apr 28, 2017

]]>Neutron-rich ${}^{88,90,92,94}\mathrm{Se}$ isotopes were studied via in-beam $\gamma $-ray spectroscopy after nucleon removal reactions at intermediate energies at the Radioactive Isotope Beam Factory. Based on $\gamma -\gamma $ coincidence analysis, low-lying excitation level schemes are proposed for these nuclei, including the ${2}_{1}^{+},{4}_{1}^{\dots}$

[Phys. Rev. C 95, 041302(R)] Published Thu Apr 27, 2017

]]>We derive the charged current absorption rate of electron and antielectron neutrinos in dense matter using a fully relativistic approach valid at arbitrary matter degeneracy. We include mean field energy shifts due to nuclear interactions and the corrections due to weak magnetism. The rates are deri…

[Phys. Rev. C 95, 045807] Published Thu Apr 27, 2017

]]>The even-$Z$ odd-$N$ neutron-halo nuclei, which are the lightest neutron-halo nuclei heavier than ${}^{37}\mathrm{Mg}$, are explored by studying the shell structure unique in weakly bound neutrons for spherical or deformed shapes. It is pointed out that due to the narrowed $N=50$ spherical energy gap and a few resulting …

[Phys. Rev. C 95, 044325] Published Wed Apr 26, 2017

]]>Pion energy spectra are presented for central collisions of neutron-rich ${}^{132}\mathrm{Sn}+{}^{124}\mathrm{Sn}$ and neutron-deficient ${}^{108}\mathrm{Sn}+{}^{112}\mathrm{Sn}$ systems using simulations with the Boltzmann-Uehling-Uhlenbeck transport model. These calculations, which incorporate isospin-dependent mean-field potentials for relevant baryons an…

[Phys. Rev. C 95, 044614] Published Wed Apr 26, 2017

]]>The angular distributions of differential cross sections of ${}^{12}\mathrm{C}+{}^{12}\mathrm{C}$ elastic and inelastic scattering populating the ground and excited states in ${}^{12}\mathrm{C}$ up to 15 MeV excitation energy are precisely measured for the first time at an incident energy of $100A$ MeV to study the effect of repulsive three-body …

[Phys. Rev. C 95, 044616] Published Wed Apr 26, 2017

]]>**Background:** The ${}^{11}\mathrm{B}{(p,2\alpha )}^{4}\mathrm{He}$ reaction is being discussed as a prime candidate for advanced aneutronic fusion fuel systems. Particular interest in this reaction has recently emerged for laser driven plasma systems for energy generation and jet-propulsion systems. The lack of long-lived radioactive re…

[Phys. Rev. C 95, 044617] Published Wed Apr 26, 2017

]]>Explicit analytic expressions are derived for the effective-range function for the case when the interaction is represented by a sum of the short-range square-well and long-range Coulomb potentials. These expressions are then transformed into forms convenient for extrapolating to the negative-energy…

[Phys. Rev. C 95, 044618] Published Wed Apr 26, 2017

]]>We study for the first time the internal structure of ${}^{140}\mathrm{Te}$ through the $\beta $-delayed $\gamma $-ray spectroscopy of ${}^{140}\mathrm{Sb}$. The very neutron-rich ${}^{140}\mathrm{Sb}$ nuclei with $Z=51$ and $N=89$ were produced by the in-flight fission of ${}^{238}\mathrm{U}$ beams at the Radioactive Isotope Beam Factory, RIKEN. The half-life and spin-parity of $\mathrm{S\dots}$

[Phys. Rev. C 95, 044322] Published Tue Apr 25, 2017

]]>Neutron unbound states in ${}^{23}\mathrm{N}$ were populated via proton knockout from an 83.4 MeV/nucleon ${}^{24}\mathrm{O}$ beam on a liquid deuterium target. The two-body decay energy displays two peaks at ${E}_{1}\phantom{\rule{4pt}{0ex}}\sim 100\phantom{\rule{0.16em}{0ex}}\mathrm{keV}$ and ${E}_{2}\phantom{\rule{4pt}{0ex}}\sim 1\phantom{\rule{0.16em}{0ex}}\mathrm{MeV}$ with respect to the neutron separation energy. The data are consistent with shell model calculations …

[Phys. Rev. C 95, 044323] Published Tue Apr 25, 2017

]]>We have updated our previous multipoles model for the kaon photoproduction process $\gamma p\to {K}^{+}\mathrm{\Lambda}$ by using the recently available experimental data, including the new CLAS 2016 data, and up-to-date information on the nucleon resonance properties provided by the Particle Data Group (PDG). The background and …

[Phys. Rev. C 95, 045205] Published Tue Apr 25, 2017

]]>We investigate the ${\eta}^{\prime}$ photoproduction off the nucleon with a particular interest in the effect of the final-state interaction (FSI) of the ${\eta}^{\prime}$ meson and nucleon $\left({\eta}^{\prime}N\right)$ based on the three-flavor linear $\sigma $ model. We find an enhancement in the cross section of the ${\eta}^{\prime}$ photoproduction near the ${\eta}^{\prime}N$-threshold…

[Phys. Rev. C 95, 045206] Published Tue Apr 25, 2017

]]>We have studied the effect of free space nucleon radius on the nuclear matter and slowly rotating neutron-star properties within a relativistic mean-field model with the inclusion of $\omega -\rho $ mixing nonlinear term. We use the same density-dependent radius as in our previous work. However, in the present …

[Phys. Rev. C 95, 045806] Published Tue Apr 25, 2017

]]>The drift of the isospin degree of freedom (IDOF) is experimentally visualized through the wide-range angular distribution and the beam energy dependence of the isospin composition of light charged particles (LCP) produced in heavy ion collisions. It is evidenced that the net isospin transport is pr…

[Phys. Rev. C 95, 041602(R)] Published Mon Apr 24, 2017

]]>We report measurements of the photon beam asymmetry $\mathrm{\Sigma}$ for the reactions $\stackrel{\u20d7}{\gamma}p\to p{\pi}^{0}$ and $\stackrel{\u20d7}{\gamma}p\to p\eta $ from the GlueX experiment using a 9 GeV linearly polarized, tagged photon beam incident on a liquid hydrogen target in Jefferson Lab's Hall D. The asymmetries, measured as a function of the proton momentum tra…

[Phys. Rev. C 95, 042201(R)] Published Mon Apr 24, 2017

]]>The nuclear force has been understood to have a repulsive core at short distances, similar to a molecular force, since Jastrow proposed it in 1951 [R. Jastrow, Phys. Rev. **81**, 165 (1951)]. The existence of the repulsion was experimentally confirmed from the proton-proton scattering ${}^{1}S_{0}$ phase shift, w…

[Phys. Rev. C 95, 044002] Published Mon Apr 24, 2017

]]>**Background:** Transfer reactions are a useful tool for studying nuclear structure, particularly in the regime of low level densities and strong single-particle strengths. In addition, transfer reactions can populate levels above particle decay thresholds, allowing for the possibility of studying the s…

[Phys. Rev. C 95, 044319] Published Mon Apr 24, 2017

]]>We show that correlated Gaussians with good angular momentum and parity provide flexible basis functions for specific elongated shape. As an application we study linear-chain states of four $\alpha $ particles in variation-after-projection calculations in which all the matrix elements are evaluated analytic…

[Phys. Rev. C 95, 044320] Published Mon Apr 24, 2017

]]>Lifetimes of the first excited ${2}^{+}$ states in the extremely neutron-deficient ${}^{162}\mathrm{W}$ and ${}^{164}\mathrm{W}$ nuclei have been measured using the recoil distance Doppler shift technique. Experimental $B\left(E2\right)$ data for the isotopic chains of hafnium, tungsten, and osmium, from the midshell region near the $\beta $-stability line …

[Phys. Rev. C 95, 044321] Published Mon Apr 24, 2017

]]>An exclusive measurement of the breakup of ${}^{7}\mathrm{Li}$ incident on a proton target was performed at 38.1 MeV (5.44 MeV/nucleon), probing the direct part of the excitation to the continuum. The two cluster constituents of ${}^{7}\mathrm{Li}$, ${}^{4}\mathrm{He}$, and ${}^{3}\mathrm{H}$, were recorded in coincidence in the MAGNEX spectrometer and a silicon…

[Phys. Rev. C 95, 044615] Published Mon Apr 24, 2017

]]>The field of high-energy nuclear collisions has witnessed a surge of interest in the role played by hydrodynamic fluctuations. Hydrodynamic fluctuations may have significant effects on matter created in heavy-ion accelerators whose trajectories in the plane of temperature versus chemical potential p…

[Phys. Rev. C 95, 044910] Published Mon Apr 24, 2017

]]>We present a systematic procedure for analyzing cumulants to arbitrary order in the context of heavy-ion collisions. It generalizes and improves existing procedures in many respects. In particular, particles which are correlated are allowed to belong to different phase-space windows, which may overl…

[Phys. Rev. C 95, 044911] Published Mon Apr 24, 2017

]]>**Background:** Combining the relativistic mean-field (RMF) model and distorted wave Born approximation (DWBA) method, Coulomb form factors for elastic electron scattering have been studied for several stable nuclei (${}^{208}\mathrm{Pb},{}^{40}\mathrm{Ca},{}^{32}\mathrm{S}$, and ${}^{24}\mathrm{Mg}$) with a methodology that can be extended to exotic nuclei.

**P…**

[Phys. Rev. C 95, 044318] Published Fri Apr 21, 2017

]]>Detailed comparisons between the experimental data of ${}^{12}\mathrm{C}+{}^{12}\mathrm{C}$ at $95A$ MeV and transport model simulations are presented for all charged particles and fragments. For the simulations, antisymmetrized molecular dynamics (AMD), a modified version of AMD (AMD-FM), and constrained molecular dynamics (CoMD)…

[Phys. Rev. C 95, 044613] Published Fri Apr 21, 2017

]]>In this paper, I investigate the analytic properties of the quark propagator Dyson-Schwinger equation (DSE) in the Landau gauge. In the quark self-energy, the combined gluon propagator and quark-gluon vertex is modeled by an effective interaction (the so-called Maris-Tandy interaction), where the ul…

[Phys. Rev. C 95, 045204] Published Fri Apr 21, 2017

]]>The nuclear level densities and $\gamma $-ray strength functions of ${}^{138,139,140}\mathrm{La}$ were measured using the ${}^{139}\mathrm{La}$(${}^{3}\mathrm{He},\alpha $), ${}^{139}\mathrm{La}$(${}^{3}\mathrm{He},\stackrel{\prime}{{}^{3}\mathrm{He}}$), and ${}^{139}\mathrm{La}$($d,p$) reactions. The particle-$\gamma $ coincidences were recorded with the silicon particle telescope (SiRi) and NaI(Tl) (CACTUS) arrays. In the context of these experim…

[Phys. Rev. C 95, 045805] Published Fri Apr 21, 2017

]]>Using published $E2$ matrix elements, I have determined the amount of mixing between the lowest two ${2}^{+},{4}^{+}$, and ${6}^{+}$ states in ${}^{72}\mathrm{Ge}$. I also extracted the $E2$ strengths connecting the unmixed states. One set of basis states is found to form an excellent $K=0$ rotational band, and the other is found to form a…

[Phys. Rev. C 95, 044317] Published Thu Apr 20, 2017

]]>**Background:** Core-excitation effects in the scattering of two-body halo nuclei have been investigated in previous works. In particular, these effects have been found to affect in a significant way the breakup cross sections of neutron-halo nuclei with a deformed core. To account for these effects, ap…

[Phys. Rev. C 95, 044611] Published Thu Apr 20, 2017

]]>**Background:** The effect of core excitations in transfer reactions of the form $A(d,p)B$ has been reexamined by some recent works by using the Faddeev–Alt–Grassberger–Sandhas reaction formalism. The effect was found to affect significantly the calculated cross sections and to depend strongly and nonline…

[Phys. Rev. C 95, 044612] Published Thu Apr 20, 2017

]]>The pasta phases are calculated for warm stellar matter in a framework of relativistic mean-field models, including the possibility of light cluster formation. Results from three different semiclassical approaches are compared with a quantum statistical calculation. Light clusters are considered as …

[Phys. Rev. C 95, 045804] Published Thu Apr 20, 2017

]]>[Phys. Rev. C 95, 049904] Published Thu Apr 20, 2017

]]>**Background:** The variational multiparticle-multihole configuration mixing approach to nuclei has been proposed about a decade ago. While the first applications followed rapidly, the implementation of the full formalism of this method has only been recently completed and applied in C. Robin, N. Pillet…

[Phys. Rev. C 95, 044315] Published Wed Apr 19, 2017

]]>Predictions for the interaction part of the symmetry energy obtained from microscopic approaches based upon different foundations are reviewed and discussed in the light of recent updated constraints obtained from reaction observables in the ASY-EOS experiment at GSI. The discussion is then extended…

[Phys. Rev. C 95, 044316] Published Wed Apr 19, 2017

]]>We study phenomenologically the production of the neutron-rich hypernucleus ${}_{\mathrm{\Lambda}}{}^{6}\mathrm{H}$ in the ${}^{6}\mathrm{Li}({\pi}^{-},\phantom{\rule{0.16em}{0ex}}{K}^{+})$ reaction at 1.2 GeV/$c$, using a distorted-wave impulse approximation in a one-step mechanism, ${\pi}^{-}p\to {K}^{+}{\mathrm{\Sigma}}^{-}$ via ${\mathrm{\Sigma}}^{-}$ doorways caused by ${\mathrm{\Sigma}}^{-}p\leftrightarrow \mathrm{\Lambda}n$ coupling. The production cross section of ${}_{\mathrm{\Lambda}}{}^{6}\mathrm{H}\left({1}_{\mathrm{exc}.}^{+}\right)$ is evaluated …

[Phys. Rev. C 95, 044610] Published Wed Apr 19, 2017

]]>The PHENIX experiment at the BNL Relativistic Heavy Ion Collider recently reported transverse single-spin asymmetry, ${A}_{N}$, for forward neutrons in ${p}^{\uparrow}A$ collisions at $\sqrt{{s}_{{}_{NN}}}=200\phantom{\rule{0.16em}{0ex}}\mathrm{GeV}$. ${A}_{N}$ in ${p}^{\uparrow}\mathrm{Al}$ and ${p}^{\uparrow}\mathrm{Au}$ collisions were measured as $-0.015$ and 0.18, respectively. These values are clearly different from the me…

[Phys. Rev. C 95, 044908] Published Wed Apr 19, 2017

]]>The authors develop a coupled jet-fluid model that includes interactions between jets and a fluid medium in a heavy-ion collision. The model treats both the effect of the medium on the jet shower as well as the back-reaction of this energy deposition on the medium itself. The authors show how the energy that is lost by a jet is deposited in and evolves with the medium, and how that deposited energy might appear in measured observables.

[Phys. Rev. C 95, 044909] Published Wed Apr 19, 2017

]]>Tensor-optimized antisymmetrized molecular dynamics (TOAMD) is the basis of the successive variational method for the nuclear many-body problem. We apply TOAMD to finite nuclei described by the central interaction with strong short-range repulsion, and compare the results with those from the unitary…

[Phys. Rev. C 95, 044314] Published Tue Apr 18, 2017

]]>Production cross sections of ${}^{209}\mathrm{Bi}(p,xn){}^{207,206,205,204,203}\mathrm{Po},{}^{209}\mathrm{Bi}(p$, *pxn*)${}^{207,206,205,204,203,202}\mathrm{Bi}$, and ${}^{\mathrm{nat}}\mathrm{Pb}(p,xn$) ${}^{206,205,204,203,202,201}\mathrm{Bi}$ reactions were measured to fill the gap in the excitation functions up to 100 MeV as well as to figure out the effects of different nuclear properties on…

[Phys. Rev. C 95, 044609] Published Tue Apr 18, 2017

]]>We discuss the possible factorization of the tensor asymmetry ${A}_{d}^{T}$ measured for polarized deuteron targets within a relativistic framework. We define a reduced asymmetry and find that factorization holds only in plane wave impulse approximation and if $p$ waves are neglected. Our numerical results show…

[Phys. Rev. C 95, 044001] Published Mon Apr 17, 2017

]]>The polarization of direct photons produced in an ultrarelativistic heavy-ion collision reflects the momentum anisotropy of the quark-gluon plasma created in the collision. This paper presents a general framework, based on the photon spectral functions in the plasma, for analyzing the angular distri…

[Phys. Rev. C 95, 044907] Published Fri Apr 14, 2017

]]>Electron capture can determine the electron neutrino mass, while the $\beta $ decay of tritium measures the electron antineutrino mass and the neutrinoless double $\beta $ decay observes the Majorana neutrino mass. In electron capture, e.g., ${}_{67}{}^{163}\mathrm{Ho}+{e}^{-}\to \stackrel{*}{{}_{66}{}^{163}\mathrm{Dy}}+{\nu}_{e}$, one can determine the electron neutrino mass fro…

[Phys. Rev. C 95, 045502] Published Fri Apr 14, 2017

]]>The two odd-even fluorine isotopes ${}^{27,29}\mathrm{F}$ were studied via in-beam $\gamma $-ray spectroscopy at the RIKEN Radioactive Isotope Beam Factory. A secondary beam of ${}^{30}\mathrm{Ne}$ was used to induce one-proton and one-proton–two-neutron removal reactions on carbon and polyethylene targets at midtarget energies of 228 MeV…

[Phys. Rev. C 95, 041301(R)] Published Thu Apr 13, 2017

]]>The reaction ${}^{58}\mathrm{Ni}+{}^{238}\mathrm{U}$ is investigated within the framework of dinuclear system model. The incident energy effects on production cross sections of actinide nuclei are studied. It is found that the optimal incident energies for producing neutron-deficient isotopes are larger than those for production…

[Phys. Rev. C 95, 044608] Published Thu Apr 13, 2017

]]>Based on a covariant coalescence model with a blast-wave-like parametrization for the phase-space configuration of constituent particles at freeze-out, we derive an approximate analytical formula for the yields of clusters produced in relativistic heavy-ion collisions. Compared to previous formulas,…

[Phys. Rev. C 95, 044905] Published Thu Apr 13, 2017

]]>In this paper we report the effect of the jet-medium interplay as implemented in the EPOS 3 model on the ridgelike structure observed in high-multiplicity $p$-Pb collisions at $\sqrt{{s}_{NN}}=5.02$ TeV. EPOS 3 takes into account hydrodynamically expanding bulk matter, jets and the jet-medium interaction. The basis…

[Phys. Rev. C 95, 044906] Published Thu Apr 13, 2017

]]>**Background:** The origin of fluorine is a widely debated issue. Nevertheless, the ${}^{15}\mathrm{N}(\alpha ,\gamma ){}^{19}\mathrm{F}$ reaction is a common feature among the various production channels so far proposed. Its reaction rate at relevant temperatures is determined by a number of narrow resonances together with the direct capture a…

[Phys. Rev. C 95, 045803] Published Thu Apr 13, 2017

]]>Nuclear fission is hindered by dissipation. Based on the stochastic Langevin model, we calculate the drop of fission cross section caused by friction with respect to its standard statistical-model value, ${\sigma}_{f}^{\mathrm{drop}}$, as a function of the presaddle friction strength ($\beta $) for fissioning nuclei ${}^{205}\mathrm{Bi}$, ${}^{215}\mathrm{Fr}$,…

[Phys. Rev. C 95, 041601(R)] Published Wed Apr 12, 2017

]]>Evolution of the electron spectra with the effective value of the weak axial-vector coupling constant ${g}_{\mathrm{A}}$ was followed for 26 first-, second-, third-, fourth- and fifth-forbidden ${\beta}^{-}$ decays of odd-$A$ nuclei by calculating the involved nuclear matrix elements (NMEs) in the framework of the microscopic q…

[Phys. Rev. C 95, 044313] Published Wed Apr 12, 2017

]]>The accurate determination of the maximum mass of the neutron stars is one of the most important tasks in astrophysics. It is directly related to the identification of the black holes in the universe, the production of neutron stars from the supernovae explosion, and the equation of state (EoS) of d…

[Phys. Rev. C 95, 045801] Published Wed Apr 12, 2017

]]>The Vlasov equation is used to determine the dispersion relation for the eigenmodes of magnetized nuclear and neutral stellar matter, taking into account the anomalous magnetic moment of nucleons. The formalism is applied to the determination of the dynamical spinodal section, a quantity that gives …

[Phys. Rev. C 95, 045802] Published Wed Apr 12, 2017

]]>[Phys. Rev. C 95, 049903] Published Wed Apr 12, 2017

]]>In light ion beam therapy, positron (${\beta}^{+}$) emitters are produced by the tissue nuclei through nuclear interactions with the beam ions. They can be used for the verification of the delivered dose using positron emission tomography by comparing the spatial distribution of the ${\beta}^{+}$ emitters activity to a c…

[Phys. Rev. C 95, 044607] Published Tue Apr 11, 2017

]]>The DUET Collaboration reports on the measurements of the absorption (${\sigma}_{\mathrm{ABS}}$) and charge exchange (${\sigma}_{\mathrm{CX}}$) cross sections of positively charged pions on carbon nuclei for the momentum range 201.6 to 295.1 $\mathrm{MeV}/c$. The uncertainties on the absorption and charge exchange cross sections are $\sim 9.5\%$ and $\sim 18\%$, re…

[Phys. Rev. C 95, 045203] Published Tue Apr 11, 2017

]]>In this paper we show that $ip-jn$ relations for nuclear masses and charge radii of four neighboring nuclei reconcile with Casten's ${N}_{p}{N}_{n}$ scheme.

[Phys. Rev. C 95, 044310] Published Mon Apr 10, 2017

]]>A newly observed isomeric intruder ${\mathrm{\xbd}}^{+}$ state $[{T}_{\xbd}=3.5\left(6\right)\phantom{\rule{0.16em}{0ex}}\mathrm{ms}]$ is identified in ${}^{203}\mathrm{At}$ using a gas-filled recoil separator and fusion-evaporation reactions. The isomer is depopulated through a cascade of $E3$ and mixed $M1/E2$ transitions to the ${9/2}^{-}$ ground state, and it is suggested to originate from the $\pi {({s}_{\dots}}^{}$

[Phys. Rev. C 95, 044311] Published Mon Apr 10, 2017

]]>We present a detailed discussion of the structure of the low-lying positive-parity energy spectrum of ${}^{12}\mathrm{C}$ from a no-core shell-model perspective. The approach utilizes a fraction of the usual shell-model space and extends its multishell reach via the symmetry-based no-core symplectic shell model (NC…

[Phys. Rev. C 95, 044312] Published Mon Apr 10, 2017

]]>The residual nuclei produced in the spallation reaction of ${}^{136}\mathrm{Xe}$ nuclei at $200A$ MeV on protons have been studied by measuring the isotopic distributions for the elements from cadmium ($Z=48$) to cesium ($Z=55$) by using the fragment separator (FRS) spectrometer at GSI and the inverse kinematics techniqu…

[Phys. Rev. C 95, 044606] Published Mon Apr 10, 2017

]]>The recent net-proton fluctuation results of the STAR (Solenoidal Tracker At RHIC) experiment from the beam energy scan (BES) program at the BNL Relativistic Heavy Ion Collider (RHIC) have drawn much attention to exploring the QCD critical point and the nature of deconfinement phase transition. Ther…

[Phys. Rev. C 95, 044903] Published Mon Apr 10, 2017

]]>The hadron-resonance gas (HRG) model with the mass-proportional eigenvolume (EV) corrections is employed to fit the hadron yield data of the NA49 Collaboration for central Pb+Pb collisions at $\sqrt{{s}_{NN}}=6.3$, 7.6, 8.8, 12.3, and 17.3 GeV, the hadron midrapidity yield data of the STAR Collaboration for Au+Au…

[Phys. Rev. C 95, 044904] Published Mon Apr 10, 2017

]]>The stiff equation of state (EoS) giving the neutron-star mass of $2{M}_{\odot}$ suggests the existence of strongly repulsive many-body effects (MBE) not only in nucleon channels but also in hyperonic ones. As a specific model for MBE, the repulsive multi-Pomeron exchange potential (MPP) is added to the two-bo…

[Phys. Rev. C 95, 044308] Published Fri Apr 07, 2017

]]>We investigate the problem of periodically modulated strongly interacting neutron matter. We carry out *ab initio* nonperturbative auxiliary-field diffusion Monte Carlo calculations using an external sinusoidal potential in addition to phenomenological two- and three-nucleon interactions. Several choi…

[Phys. Rev. C 95, 044309] Published Fri Apr 07, 2017

]]>We revisit antiproton-proton annihilation into light mesons in the energy domain relevant to the antiproton annihilation at Darmstadt (PANDA) experiment at the GSI Facility for Antiproton and Ion Research (FAIR) [$2.25\left(1.5\right)\le \sqrt{s}\left({p}_{L}\right)\le 5.47\left(15\right)\mathrm{GeV}(\mathrm{GeV}/c)$ where $\sqrt{s}\left({p}_{L}\right)$ is the total energy (the beam momentum…

[Phys. Rev. C 95, 045202] Published Fri Apr 07, 2017

]]>${}^{180m}\mathrm{Ta}$ is the rarest naturally occurring quasistable isotope and the longest lived metastable state which is known. Its possible decay via the ${\beta}^{-}$ or the electron capture channel has never been observed. This article presents a search for the decay of ${}^{180m}\mathrm{Ta}$ with an ultralow background Sandwich HPGe $\dots $

[Phys. Rev. C 95, 044306] Published Thu Apr 06, 2017

]]>The giant dipole resonance (GDR) in ${}^{6}\mathrm{Li}$ was investigated via the ${}^{6}\mathrm{Li}(\gamma ,xn)$ reactions by using quasi-mono-energy $\gamma $ rays in an energy range from 4.9 to 53.6 MeV. The $\gamma $ rays were generated via Compton backscattering of Nd laser photons with relativistic energy electrons in an electron storage ring, New…

[Phys. Rev. C 95, 044307] Published Thu Apr 06, 2017

]]>**Background:** Large $\alpha $ yields have been reported over the years in reactions with ${}^{6}\mathrm{Li}$ and ${}^{7}\mathrm{Li}$ projectiles. Previous theoretical analyses have shown that the elastic breakup (EBU) mechanism (i.e., projectile breakup leaving the target in its ground state) is able to account only for a small fraction of …

[Phys. Rev. C 95, 044605] Published Thu Apr 06, 2017

]]>Using the event-by-event viscous hydrodynamics VISH2+1 with MC-Glauber, MC-KLN, and AMPT initial conditions, we investigate the correlations of flow harmonics including the symmetric cumulants $S{C}^{v}(m,n)$ and the normalized symmetric cumulants $NSC(m,n)$ in $2.76A$ TeV Pb-Pb collisions. We find $S{C}^{v}(m,n)$ is…

[Phys. Rev. C 95, 044902] Published Thu Apr 06, 2017

]]>We study neutron-proton equilibration in dynamically deformed nuclear systems by investigating the correlations between the two largest fragments produced in collisions of ${}^{70}\mathrm{Zn}+{}^{70}\mathrm{Zn}$, ${}^{64}\mathrm{Zn}+{}^{64}\mathrm{Zn}$, ${}^{64}\mathrm{Ni}+{}^{64}\mathrm{Ni}$ and ${}^{64}\mathrm{Zn}+{}^{64}\mathrm{Ni}$ at $35\phantom{\rule{4pt}{0ex}}\mathrm{MeV}$ per nucleon. The extent of equilibration is investigated using the rotati…

[Phys. Rev. C 95, 044604] Published Wed Apr 05, 2017

]]>[Phys. Rev. C 95, 049901] Published Wed Apr 05, 2017

]]>[Phys. Rev. C 95, 049902] Published Wed Apr 05, 2017

]]>We present two new methods for performing *ab initio* calculations of excited states for closed-shell systems within the in-medium similarity renormalization group (IMSRG) framework. Both are based on combining the IMSRG with simple many-body methods commonly used to target excited states, such as the…

[Phys. Rev. C 95, 044304] Published Tue Apr 04, 2017

]]>The $\beta $-decay properties of the very neutron-rich nucleus ${}^{85}\mathrm{Ge}$, produced in the proton-induced fission of ${}^{238}\mathrm{U}$, were studied at the Holifield Radioactive Ion Beam Facility at Oak Ridge National Laboratory. The level scheme of $\phantom{\rule{0.16em}{0ex}}{}_{33}{}^{85}\mathrm{As}_{52}$ populated in ${}^{85}\mathrm{Ge}\phantom{\rule{4pt}{0ex}}\beta \gamma $ decay was reconstructed and compared to shell-m…

[Phys. Rev. C 95, 044305] Published Tue Apr 04, 2017

]]>Ratios of differential chemical potential values relative to the temperature, $({\mu}_{n}-{\mu}_{p})/T$, extracted from isotope yields of 13 reaction systems at 40 MeV/nucleon are compared to those of a quantum statistical model to determine the temperature and symmetry energy values of the fragmenting system. The …

[Phys. Rev. C 95, 044601] Published Tue Apr 04, 2017

]]>During a carbon therapy treatment, the beam undergoes inelastic nuclear reactions leading to the production of secondary fragments. These nuclear interactions tend to delocate a part of the dose into healthy tissues and create a mixed radiation field. In order to accurately estimate the dose deposit…

[Phys. Rev. C 95, 044602] Published Tue Apr 04, 2017

]]>Within the framework of the dynamical cluster-decay model (DCM), we have studied the nuclear system with $Z=122$ and mass number $A$ = 306 formed via two “hot” fusion reactions ${}^{58}\mathrm{Fe}+\phantom{\rule{0.16em}{0ex}}{}^{248}\mathrm{Cm}$ and ${}^{64}\mathrm{Ni}+\phantom{\rule{0.16em}{0ex}}{}^{242}\mathrm{Pu}$. The up-to-date measured data are available only for the first reaction, and for fusion-fission cross…

[Phys. Rev. C 95, 044603] Published Tue Apr 04, 2017

]]>Determination of the baryon number (or mass) distribution of the strangelets, which may fragment out of the warm and excited strange quark matter tidally ejected in the merger of strange stars in the compact binary stellar systems in the galaxy, is attempted here using a statistical disassembly mode…

[Phys. Rev. C 95, 045201] Published Tue Apr 04, 2017

]]>The self-consistent quasiparticle random-phase approximation (QRPA) approach is formulated in the canonical single-nucleon basis of the relativistic Hatree–Fock–Bogoliubov (RHFB) theory. This approach is applied to study the isobaric analog states (IASs) and Gamow–Teller resonances (GTRs) by taking …

[Phys. Rev. C 95, 044301] Published Mon Apr 03, 2017

]]>Self-consistent approaches to superfluid many-fermion systems in three dimensions (and their subsequent use in time-dependent studies) require a large number of diagonalizations of very large dimension Hermitian matrices, which results in enormous computational costs. We present an approach based on…

[Phys. Rev. C 95, 044302] Published Mon Apr 03, 2017

]]>$\alpha $ decay is a common and important process of natural radioactivity of the heavy and superheavy nuclei. From the $\alpha $ decay of nuclei, we can obtain much more information of nuclei structure. In our previous works [X.-D. Sun *et al.*, Phys. Rev. C **93**, 034316 (2016); X.-D. Sun *et al.*, Phys. Rev. C **95**, 01…

[Phys. Rev. C 95, 044303] Published Mon Apr 03, 2017

]]>Event-by-event fluctuations caused by quantum mechanical fluctuations in the wave function of colliding nuclei in ultrarelativistic heavy ion collisions were recently shown to be necessary for the simultaneous description of ${R}_{\text{AA}}$ as well as the elliptic and triangular flow harmonics at high ${p}_{T}$ in PbP…

[Phys. Rev. C 95, 044901] Published Mon Apr 03, 2017

]]>A general theory of pseudomagnetic effects on the propagation of polarized neutrons through a polarized target using a multiresonance approach is presented. Some applications related to proposed searches for time-reversal invariance violation in neutron scattering are considered.

[Phys. Rev. C 95, 045501] Published Mon Apr 03, 2017

]]>We apply the proton-neutron deformed quasiparticle random-phase approximation (pn-dQRPA) to describe the low-lying ($E\le 6$ MeV) ${1}^{+}$ Gamow-Teller (GT) strength functions in odd-odd deformed nuclei which participate as intermediate nuclei in two-neutrino double-$\beta $-decay ($2\nu \beta \beta $) transitions within the mass r…

[Phys. Rev. C 95, 034330] Published Fri Mar 31, 2017

]]>The low-lying spectra of ${}^{24,25,26}\mathrm{Ne}$ and the structure of the pygmy dipole resonance (PDR) in ${}^{26}\mathrm{Ne}$ have been theoretically studied by the antisymmetrized molecular dynamics (AMD) and its extended version called shifted-basis AMD. The calculated energy and strength of the PDR reasonably agree with the…

[Phys. Rev. C 95, 034331] Published Fri Mar 31, 2017

]]>An investigation of the $\alpha $ decay of ${}^{147}\mathrm{Sm}$ was performed using an ultra-low-background twin Frisch-grid ionization chamber (TF-GIC). Four natural samarium samples were produced using pulsed laser deposition in ultrahigh vacuum. The abundance of the ${}^{147}\mathrm{Sm}$ isotope was measured using inductively coupled …

[Phys. Rev. C 95, 034618] Published Fri Mar 31, 2017

]]>The $\left(\phantom{\rule{0.16em}{0ex}}{}^{3}\mathrm{He},t\right)$ charge-exchange reaction populating ${J}^{\pi}={2}^{-}$ states has been examined at 420 MeV incident energy for a series of double-$\beta $ decaying nuclei, i.e., ${}^{76}\mathrm{Ge}$, ${}^{82}\mathrm{Se}$, ${}^{96}\mathrm{Zr}$, ${}^{100}\mathrm{Mo}$, ${}^{128}\mathrm{Te}$, ${}^{130}\mathrm{Te}$, and ${}^{136}\mathrm{Xe}$. The measurements were carried out at the Grand Raiden spectrometer of the Research Center for Nu…

[Phys. Rev. C 95, 034619] Published Fri Mar 31, 2017

]]>The abnormally large diffuseness parameter of the Woods-Saxon (WS) potential in heavy-ion fusion reactions is explained for the first time based on the microscopic dynamics simulations. With the improved quantum molecular dynamic (ImQMD) model, we systematically explore the dynamical processes in th…

[Phys. Rev. C 95, 034620] Published Fri Mar 31, 2017

]]>The direct component of the ${}^{60}\mathrm{Fe}(n,\gamma ){}^{61}\mathrm{Fe}$ cross section was investigated by populating the bound states of the ${}^{61}\mathrm{Fe}$ nucleus through the $(d,p\gamma )$ transfer reaction in inverse kinematics using a radioactive beam of ${}^{60}\mathrm{Fe}$ at $27A$ MeV. The experiment was performed at GANIL using the MUST2 array and an annul…

[Phys. Rev. C 95, 035806] Published Fri Mar 31, 2017

]]>The thermodynamical instabilities of low densities in the $np$ matter and $npe$ matter are studied within several relativistic nuclear models under some values of magnetic fields. The results are compared between each other and the effects of the symmetry energy slope at saturation density on the instab…

[Phys. Rev. C 95, 035807] Published Fri Mar 31, 2017

]]>The extension of an equation of motion phonon method to odd nuclei is described step by step. Equations of motion are first constructed and solved to generate an orthonormal basis of correlated $n$-phonon states $\left(n=0,1,2,\cdots \right)$, built of constituent Tamm–Dancoff phonons, describing the excitations of a do…

[Phys. Rev. C 95, 034327] Published Thu Mar 30, 2017

]]>Excited states in ${}^{106}\mathrm{Pd}$ were studied with the $\left(n,{n}^{\prime}\gamma \right)$ reaction, and comprehensive information for excitations with spin $\le 6\phantom{\rule{0.16em}{0ex}}\hslash $ was obtained. The data include level lifetimes in the femtosecond regime, spins and parities, transition multipolarities, and multipole mixing ratios, which allow the determina…

[Phys. Rev. C 95, 034328] Published Thu Mar 30, 2017

]]>We search for effects of tetrahedral deformation ${\beta}_{32}$ over a range of $\sim 3000$ heavy and superheavy nuclei, $82\le Z\le 126$, using a microscopic-macroscopic model based on the deformed Woods-Saxon potential, well tested in the region. We look for the energy minima with a nonzero tetrahedral distortion, both ab…

[Phys. Rev. C 95, 034329] Published Thu Mar 30, 2017

]]>**Background:** Simultaneous description of major outgoing channels for a nuclear reaction by coupled-channels calculations using the same set of potential and coupling parameters is one of the difficult tasks to accomplish in nuclear reaction studies.

**Purpose:** To measure the elastic, inelastic, and tra…

[Phys. Rev. C 95, 034615] Published Thu Mar 30, 2017

]]>Angular distributions of the transfer reaction ${}^{63}\mathrm{Cu}\left({}^{7}\mathrm{Li},{}^{6}\mathrm{He}\right){}^{64}\mathrm{Zn}$ were measured at ${E}_{\mathrm{lab}}\left({}^{7}\mathrm{Li}\right)=12.67$, 15.21, 16.33, 23.30, 27.30, and 30.96 MeV. With the interaction potentials of the entrance channel ${}^{7}\mathrm{Li}+{}^{63}\mathrm{Cu}$ obtained from elastic scattering data as input, the optical potentials of the halo nuclear sy…

[Phys. Rev. C 95, 034616] Published Thu Mar 30, 2017

]]>This paper presents values of complete fusion cross sections deduced from activation measurements for the reactions $\phantom{\rule{0.16em}{0ex}}{}^{6}\mathrm{Li}+\phantom{\rule{0.16em}{0ex}}{}^{120}\mathrm{Sn}$ and $\phantom{\rule{0.16em}{0ex}}{}^{7}\mathrm{Li}+\phantom{\rule{0.16em}{0ex}}{}^{119}\mathrm{Sn}$, and for a projectile energy range from 17.5 to 28 MeV in the center-of-mass system. A new deconvolution analysis technique is used to link the basic activation…

[Phys. Rev. C 95, 034617] Published Thu Mar 30, 2017

]]>The helicity-dependent observable $E$ for the reaction $\gamma d\to \eta n\left(p\right)$ with a spectator proton was recently measured by the A2 Collaboration at MAMI in Mainz. The data were interpreted as further evidence for a narrow resonance with spin and parity ${J}^{P}=1/{2}^{+}$ $({P}_{11}$ wave). However, a full partial-wave analysis wi…

[Phys. Rev. C 95, 035211] Published Thu Mar 30, 2017

]]>Nonleptonic weak decays of ${\mathrm{\Xi}}_{c}$ into ${\pi}^{+}$ and a meson $\left(M\right)$-baryon $\left(B\right)$ final state, $MB$, are analyzed from the viewpoint of probing $S=-2$ baryon resonances, i.e., $\mathrm{\Xi}\left(1620\right)$ and $\mathrm{\Xi}\left(1690\right)$, of which spin-parity and other properties are not well known. We argue that the weak decay of ${\mathrm{\Xi}}_{c}$ is dominated by a single qu…

[Phys. Rev. C 95, 035212] Published Thu Mar 30, 2017

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