Role of Tensor Interaction as Salvation of Cluster Structure in 44TiBackground: The 44Ti nucleus has been known to have a 40Ca+α cluster structure, and inversion doublet structure has been observed; however, α cluster structure tends to be washed out…Chikako Ishizuka, Hiroki Takemoto, Yohei Chiba et al.·Feb 21, 2022SaveLearn
Scale symmetry and composition of compact star matterThe dense compact star matter is studied by using the skyrmion crystal approach. The chiral effective theory used includes the lightest scalar meson, the lowest-lying vector mesons as well as pions.…Long-Qi Shao, Yong-Liang Ma·Feb 21, 2022SaveLearn
Van der Waals equation of state for asymmetric nuclear matterThe application of van der Waals equation of state to the asymmetric nuclear matter is considered in a critical state region. The corrections to the van der Waals pressure and free energy due to the…A. I. Sanzhur·Feb 20, 2022SaveLearn
New constraints on the neutron-star mass and radius relation from terrestrial nuclear experimentsThe determination of the equation of state (EOS) for nuclear matter has been one of the biggest problems in nuclear astrophysics, because the EOS is essential for determining the properties of…Hajime Sotani, Nobuya Nishimura, Tomoya Naito·Feb 20, 2022SaveLearn
Bjorken flow revisited: analytic and numerical solutions in flat space-time coordinatesIn this work we provide analytic and numerical solutions for the Bjorken flow, a standard benchmark in relativistic hydrodynamics providing a simple model for the bulk evolution of matter created in…Daniele Simeoni, Alessandro Gabbana, Sauro Succi·Feb 18, 2022SaveLearn
The need for a local nuclear physics feature in the neutron-rich rare-earths to explain solar r-process abundancesWe apply Markov Chain Monte Carlo to predict the masses required to form the observed solar r-process rare-earth abundance peak. Given highly distinct astrophysical outflows and nuclear inputs, we…Nicole Vassh, Gail C. McLaughlin, Matthew R. Mumpower et al.·Feb 18, 2022SaveLearn
Pure gauge theories and spatial periodicityProperties of pure gauge theories in thermal equilibrium as calculated via standard functional integral treatments are mathematically identical to ground state properties of a theory with…Thomas D. Cohen·Feb 17, 2022SaveLearn
Effects of isoscalar- and isovector-scalar meson mixing on neutron star structureBased on the accurately calibrated interaction FSUGold, we show that including isovector scalar δ meson and its coupling to isoscalar scalar σ meson in the relativistic mean field (RMF) model can…Fan Li, Bao-Jun Cai, Ying Zhou et al.·Feb 17, 2022SaveLearn
Is first-order relativistic hydrodynamics in general frame stable and causal for arbitrary interaction?We derive a first-order, stable and causal, relativistic hydrodynamic theory from the microscopic kinetic equation using the gradient expansion technique in a general frame. The general frame is…Rajesh Biswas, Sukanya Mitra, Victor Roy·Feb 17, 2022SaveLearn
Effects of triaxiality and pairing interaction on fission barriers of actinide nuclei studied by density-dependence relativistic mean-field theoryWe employ density-dependent relativistic mean-field theory to study how the triaxiality and pairing interaction affect the inner fission barriers of actinide nuclei. It was found that triaxiality…Taiki Kouno, Chikako Ishizuka, Kazuki Fujio et al.·Feb 17, 2022SaveLearn
Magnetic field induced hair structure in charmonium gluon-dissociationWe study electromagnetic field effect on charmonium gluon-dissociation in quark-gluon plasma. With the effective Hamiltonian derived from QCD multipole expansion under an external electromagnetic…Jin Hu, Shuzhe Shi, Zhe Xu et al.·Feb 16, 2022SaveLearn
Many-body approximations to the superfluid gap and critical temperature in pure neutron matterWe compute singlet pairing gaps and critical temperatures in pure neutron matter with different many-body approximations. Medium effects tend to reduce gaps and critical temperatures compared to the…M. Drissi, A. Rios·Feb 15, 2022SaveLearn
In-medium Λ isospin impurity from charge symmetry breaking in the Λ4 H-Λ4 He mirror hypernucleiThe Λ separation energies in the mirror hypernuclei Λ4 H-Λ4 He exhibit large charge symmetry breaking (CSB). Analyzing this CSB within pionless effective field theory while…M. Schäfer, N. Barnea, A. Gal·Feb 15, 2022SaveLearn
Application of complex transition density to nuclear reaction and effect of phase factorComplex transition density can be constructed by a nuclear structure model with a complex basis and/or complex coefficient. In general, the complex transition density is converted to the real one…T. Furumoto·Feb 15, 2022SaveLearn
Can nuclear matter consist of α-particles?A sufficient condition for the spatial collapse in an infinite system of interacting Bose particles is obtained on the basis of the variational principle with the use of trial functions with the…B. E. Grinyuk·Feb 15, 2022SaveLearn
Theoretical description of pygmy (dipole) resonancesStable and unstable nuclei with neutron excess (N>Z) show - in the isovector dipole transition strength distribution - a small hump around the neutron emission threshold energy known as Pygmy…Edoardo G. Lanza, Andrea Vitturi·Feb 15, 2022SaveLearn
Transport Model Comparison Studies of Intermediate-Energy Heavy-Ion CollisionsTransport models are the main method to obtain physics information from low to relativistic-energy heavy-ion collisions. The Transport Model Evaluation Project (TMEP) has been pursued to test the…Hermann Wolter, Maria Colonna, Dan Cozma et al.·Feb 14, 2022SaveLearn
Asymmetric nuclear matter in relativistic mean-field models with isoscalar- and isovector-meson mixingUsing the relativistic mean-field model with nonlinear couplings between the isoscalar and isovector mesons, we study the properties of isospin-asymmetric nuclear matter. Not only the vector mixing,…Tsuyoshi Miyatsu, Myung-Ki Cheoun, Koichi Saito·Feb 14, 2022SaveLearn
Reply to Comment on "Phase-space consideration on barrier transmission in a time-dependent variational approach with superposed wave packets"In the paper by Hasegawa, Hagino and Tanimura (HHT) [Phys. Lett. B 808 (2020) 135693, arXiv:2006.06944], they concluded that quantum tunneling was simulated by a time-dependent generator coordinate…Akira Ono·Feb 14, 2022SaveLearn
Theory of kaon-nuclear systemsThe strong interaction between an antikaon and a nucleon is at the origin of various interesting phenomena in kaon-nuclear systems. In particular, the interaction in the isospin I=0 channel is…Tetsuo Hyodo, Wolfram Weise·Feb 13, 2022SaveLearn
Scaling properties of exclusive vector meson production cross section from gluon saturationIt is already known from phenomenological studies that in exclusive deep-inelastic scattering off nuclei there appears to be a scaling behavior of vector meson production cross section in both…Gregory Matousek, Vladimir Khachatryan, Jinlong Zhang·Feb 12, 2022SaveLearn
Direct URCA process in light of PREX-2We study the implications of the recent development in nuclear symmetry energy constraints from PREX-2 data on dense matter equation of state and its impact on dURCA threshold density. In this work,…Vivek Baruah Thapa, Monika Sinha·Feb 12, 2022SaveLearn
Multi-channel experimental and theoretical constraints for the 116Cd(20Ne,20F)116In charge exchange reaction at 306 MeVCharge exchange (CE) reactions offer a major opportunity to excite nuclear isovector modes, providing clues about the nuclear interaction in the medium. Moreover, double charge exchange (DCE)…S. Burrello, S. Calabrese, F. Cappuzzello et al.·Feb 11, 2022SaveLearn
Transport coefficients of magnetized neutron star coresWe review the calculations of the kinetic coefficients (thermal conductivity, shear viscosity, momentum transfer rates) of the neutron star core matter within the framework of the Landau Fermi-liquid…Peter Shternin, Dmitry Ofengeim·Feb 11, 2022SaveLearn
Pasta phases in neutron stars under strong magnetic fieldsIn the present work, we consider nuclear matter in the innermost crust of neutron stars under the presence of a strong magnetic field within the framework of a relativistic mean-field description.…Xiaopeng Wang, Jing Li, Jianjun Fang et al.·Feb 11, 2022SaveLearn