Perspectives on few-body cluster structures in exotic nucleiIt is a fascinating phenomenon in nuclear physics that states with a pronounced few-body structure can emerge from the complex dynamics of many nucleons. Such halo or cluster states often appear near…D. Bazin, K. Becker, F. Bonaiti et al.·Nov 11, 2022SaveLearn
An introduction to computational complexity and statistical learning theory applied to nuclear modelsThe fact that we can build models from data, and therefore refine our models with more data from experiments, is usually given for granted in scientific inquiry. However, how much information can we…Andrea Idini·Nov 11, 2022SaveLearn
Toward a description of the centrality dependence of the charge balance function in the HYDJET++ modelData from the Large Hadron Collider on the charge balance function in Pb+Pb collisions at center-of-mass energy 2.76~TeV per nucleon pair are analyzed and interpreted within the framework of the…A. S. Chernyshov, G. Kh. Eyyubova, V. L. Korotkikh et al.·Nov 10, 2022SaveLearn
Structure and reaction study of Z=120 isotopes using non-relativistic and relativistic mean-field formalismAn extensive study is carried out for the island of stability in the superheavy nuclei of Z=120 and N=164-220 within the effective field theory motivated relativistic mean-field (E-RMF) and the…Jeet Amrit Pattnaik, K. C. Naik, R. N. Panda et al.·Nov 10, 2022SaveLearn
Skin values of 208Pb and 48Ca determined from reaction cross sections (published in Results in Physics)The PREX and the CREX group reported their skin values. Using the Love-Franey (LF) t-matrix folding model with the neutron and proton densities scaled to the neutron radius $r n208(…Tomotsugu Wakasa, Shingo Tagami, Masanobu Yahiro·Nov 10, 2022SaveLearn
Testing the phase transition parameters inside neutron stars with the production of protons and lambdas in relativistic heavy-ion collisionsWe demonstrate the consistency of the quark deconfinement phase transition parameters in the beta-stable neutron star matter and in the nearly symmetric nuclear matter formed in heavy-ion collisions…Ang Li, Gao-Chan Yong, Ying-Xun Zhang·Nov 9, 2022SaveLearn
Finite-temperature equation of state with hyperonsWe present the novel finite-temperature FSU2H* equation-of-state model that covers a wide range of temperatures and lepton fractions for the conditions in proto-neutron stars, neutron star mergers…Hristijan Kochankovski, Angels Ramos, Laura Tolos·Nov 9, 2022SaveLearn
Resolving the spurious-state problem in the Dirac equation with finite difference methodTo solve the Dirac equation with the finite difference method, one has to face up to the spurious-state problem due to the fermion doubling problem when using the conventional central difference…Ying Zhang, Yuxuan Bao, Jinniu Hu et al.·Nov 9, 2022SaveLearn
Solving the nuclear pairing model with neural network quantum statesWe present a variational Monte Carlo method that solves the nuclear many-body problem in the occupation number formalism exploiting an artificial neural network representation of the ground-state…Mauro Rigo, Benjamin Hall, Morten Hjorth-Jensen et al.·Nov 9, 2022SaveLearn
Constraints on hadron resonance gas interactions via first-principles Lattice QCD susceptibilitiesWe investigate extensions of the Hadron Resonance Gas (HRG) Model beyond the ideal case by incorporating both attractive and repulsive interactions into the model. When considering additional states…Jamie M. Karthein, Volker Koch, Claudia Ratti et al.·Nov 8, 2022SaveLearn
Lattice-QCD-based equations of state at finite temperature and densityThe equation of state (EoS) of QCD is a crucial input for the modeling of heavy-ion-collision (HIC) and neutron-star-merger systems. Calculations of the fundamental theory of QCD, which could yield…Jamie M. Karthein, Debora Mroczek, Angel Nava Acuna et al.·Nov 8, 2022SaveLearn
Spin polarization induced by magnetic field and the relativistic Barnett effectFirst, I study the analogy between the magnetization of a material and the spin polarization of particles in a fluid. Using the relativistic version of the Barnett effect, i.e. the magnetization of a…Matteo Buzzegoli·Nov 8, 2022SaveLearn
Study of structure and radii for 20-31Na isotopes using microscopic interactionsIn this work, Na isotopes with mass varying from A= 20 to 31 have been studied using DJ16A, JISP16 and N3LO microscopic effective interactions in the sd-shell. These effective interactions are…Subhrajit Sahoo, Praveen C. Srivastava, Toshio Suzuki·Nov 8, 2022SaveLearn
A Toy Model for Low Energy Nuclear FusionWe study the fusion of a proton with a nucleus with the emission of two photons at low incident energy of the order of eV or smaller. We use a step model for the repulsive potential between proton…Kaanapuli Ramkumar, Harishyam Kumar, Pankaj Jain·Nov 8, 2022SaveLearn
Electromagnetic fields in ultra-peripheral relativistic heavy-ion collisionsUltraperipheral heavy-ion collisions (UPCs) offer unique opportunities to study processes under strong electromagnetic fields. In these collisions, highly charged fast-moving ions carry strong…Jie Zhao, Jinhui Chen, Xu-Guang Huang et al.·Nov 8, 2022SaveLearn
Neutron skin of 27Al with Skyrme and Korea-IBS-Daegu-SKKU density functionalsRecent measurement of the parity-violating (PV) asymmetry in the elastic electron scattering on 27Al target evokes the interest in the distribution of the neutron in the nucleus. In this work,…Hana Gil, Chang Ho Hyun, K. S. Kim·Nov 8, 2022SaveLearn
Two-neutrino ββ decay of 136Xe to the first excited 0+ state in 136BaWe calculate the nuclear matrix element for the two-neutrino ββ decay of 136Xe into the first excited 0+ state of 136Ba. We use different many-body methods: the quasiparticle…Lotta Jokiniemi, Beatriz Romeo, Catharina Brase et al.·Nov 7, 2022SaveLearn
The mass of odd-odd nuclei in microscopic mass modelsAccurate estimates of the binding energy of nuclei far from stability that cannot be produced in the laboratory are crucial to our understanding of nuclear processes in astrophysical scenarios.…W. Ryssens, G. Scamps, G. Grams et al.·Nov 7, 2022SaveLearn
Progress on Brussels-Skyrme atomic mass models on a grid: stiff neutron matter equation of stateWe report here the current developments on the Brussels-Skyrme-on-a-Grid (BSkG) atomic mass models. In comparison with our previous models, BSkG3 improves the infinite nuclear matter (INM) properties…Guilherme Grams, Wouter Ryssens, Guillaume Scamps et al.·Nov 7, 2022SaveLearn
Neutron density fluctuation and neutron-proton correlation from AMPT modelUsing the multiphase transport (AMPT) model, we study the relative neutron density fluctuation and neutron-proton correlation in matter produced by Au+Au collisions at sNN = 7.7-200…Zuman Zhang, Ning Yu, Hongge Xu·Nov 7, 2022SaveLearn
Comparative analysis of formalisms and performances of three different beyond mean-field approachesWe investigate the differences and analogies between the equation of motion phonon method (EMPM) and second Tamm-Dancoff and random-phase approximations (STDA and SRPA) paying special attention to…František Knapp, Panagiota Papakonstantinou, Petr Veselý et al.·Nov 6, 2022SaveLearn
Boost invariant spin hydrodynamics within the first order in derivative expansionBoost-invariant equations of spin hydrodynamics confined to the first-order terms in gradients are numerically solved. The spin equation of state, relating the spin density tensor to the spin…Rajesh Biswas, Asaad Daher, Arpan Das et al.·Nov 5, 2022SaveLearn
Optimization of generator coordinate method with machine-learning techniques for nuclear spectra and neutrinoless double-beta decay: ridge regression for nuclei with axial deformationThe generator coordinate method (GCM) is an important tool of choice for modeling large-amplitude collective motion in atomic nuclei. The computational complexity of the GCM increases rapidly with…X. Zhang, W. Lin, J. M. Yao et al.·Nov 5, 2022SaveLearn
Near-threshold resonances in 11C and the 10B(p,α)7Be aneutronic reaction cross sectionThe nucleus 11C plays an important role in the boron-proton fusion reactor environment as a catalyzer of the 10B(p,α)7Be reaction which, by producing a long-lived isotope of 7Be, poisons the…J. Okołowicz, M. Płoszajczak, W. Nazarewicz·Nov 4, 2022SaveLearn
Relativistic resistive magneto-hydrodynamics code for high-energy heavy-ion collisionsWe construct a relativistic resistive magneto-hydrodynamic (RRMHD) numerical simulation code for high-energy heavy-ion collisions. We split the system of differential equations into two parts, a…Kouki Nakamura, Takahiro Miyoshi, Chiho Nonaka et al.·Nov 4, 2022SaveLearn