HESS J1731-347 is likely a Quark Star Based on the Density-Dependent vMIT Bag ModelIn this study, we extend the MIT bag model by incorporating the vector interaction among quarks and introducing a density-dependent bag pressure.Then we proceed to investigate the thermodynamic…Min Ju, Pengcheng Chu, Xuhao Wu et al.·Apr 23, 2024SaveLearn
Parameter dependence of the β-decay properties of neutron-rich Zr isotopes within the interacting boson modelWe investigate parameter dependence of the calculated β-decay properties, as well as low-lying states for the neutron-rich Zr isotopes within the neutron-proton interacting boson model (IBM-2)…M. Homma, K. Nomura·Apr 22, 2024SaveLearn
Shell-model study of 28Si: coexistence of oblate, prolate and superdeformed shapesWe study the shape coexistence in the nucleus 28Si with the nuclear shell model using numerical diagonalizations complemented with variational calculations based on the projected…Dorian Frycz, Javier Menéndez, Arnau Rios et al.·Apr 22, 2024SaveLearn
polarization in very high energy heavy ion collisions as a probe of the Quark-Gluon Plasma formation and propertiesWe have studied the spin polarization of hyperons in heavy ion collisions at center-of-mass energies sNN = 200 GeV and sNN = 5.02 TeV carried out at RHIC and LHC…Andrea Palermo, Eduardo Grossi, Iurii Karpenko et al.·Apr 22, 2024SaveLearn
Ab initio description of monopole resonances in light- and medium-mass nuclei: III. Moments evaluation in ab initio PGCM calculationsThe paper is the third of a series dedicated to the ab initio description of monopole giant resonances in mid-mass closed- and open-shell nuclei via the so-called projected generator coordinate…Andrea Porro, Thomas Duguet, Jean-Paul Ebran et al.·Apr 22, 2024SaveLearn
Fission barriers with Weizs\"acker-Skyrme mass modelBased on Weizs\"acker-Skyrme (WS4) mass model, the fission barriers of nuclei are systematically studied. Considering the shell corrections, the macroscopic deformation energy and a phenomenological…Ning Wang, Liu Min·Apr 22, 2024SaveLearn
Radial and orbital decomposition of charge radii of Ca nuclei:Comparative study of Skyrme and Fayans functionalsWe investigate the charge and point-proton radii of the Ca nuclei in detail in the density functional theory framework. As the Fayans energy density functional provides characteristic N-dependence,…T. Inakura, N. Hinohara, H. Nakada·Apr 21, 2024SaveLearn
Light and hyper nuclei formation at sNN = 3 GeV Au+Au collisions using Wigner coalescence approachThe production of light nuclei and hyper-nuclei in heavy-ion collisions, particularly at high baryon density, is crucial for understanding the dynamical evolution of the collision system and…L. K. Liu, C. L. Hu, X. H. He et al.·Apr 21, 2024SaveLearn
The axially-deformed relativistic quasiparticle random phase approximation based on point-coupling interactionsCollective nuclear excitations, like giant resonances, are sensitive to nuclear deformation, as evidenced by alterations in their excitation energies and transition strength distributions. A common…A. Ravlić, T. Nikšić, Y. F. Niu et al.·Apr 20, 2024SaveLearn
Hypernuclear constraints on the existence and lifetime of a deeply bound H dibaryonWe study to what extent the unique observation of hypernuclei by their weak decay into known hypernuclei, with lifetimes of order 10-10 s, rules out the existence of a…Avraham Gal·Apr 19, 2024SaveLearn
Nucleon microscopy in proton-nucleus scattering via analysis of bremsstrahlung emission: role of incoherent emissionWe study electromagnetic form factors of protons in proton-nucleus scattering via analysing of experimental cross-sections of accompanying bremsstrahlung photons. A new bremsstrahlung model for…Sergei P. Maydanyuk, Li-Ping Zou, Peng-Ming Zhang·Apr 19, 2024SaveLearn
Nuclear charge radius predictions by kernel ridge regression with odd-even effectsThe extended kernel ridge regression (EKRR) method with odd-even effects was adopted to improve the description of the nuclear charge radius using five commonly used nuclear models. These are: (i)…Lu Tang, Zhen-Hua Zhang·Apr 19, 2024SaveLearn
Study of the electromagnetic form factors of the nucleons in the timelike regionThe electromagnetic form factors G E and G M of the proton and neutron in the timelike region are extracted in a study of the processes e+ e- pp and $e+ e-…Qin-He Yang, Di Guo, Ming-Yan Li et al.·Apr 18, 2024SaveLearn
Gapless non-hydrodynamic modes in relativistic kinetic theoryWe provide rigorous criteria to determine whether the non-hydrodynamic sector of a relativistic kinetic theory is gapless. These general criteria apply to both Boltzmann's equation and approximate…Lorenzo Gavassino·Apr 18, 2024SaveLearn
Single-channel, single-energy partial-wave analysis with continuity improved through minimal phase constraintsSingle-energy partial-wave analysis has often been applied as a way to fit data with minimal model dependence. However, remaining unconstrained, partial waves at neighboring energies will vary…A. Svarc, R. L. Workman·Apr 18, 2024SaveLearn
Study of structure of deuteron from analysis of bremsstrahlung emission in proton-deuteron scattering in cluster modelsPurpose: In this paper we investigated emission of bremsstrahlung photons in the scattering of protons off deuterons within the microscopic cluster models in a wide region of the beam energy from low…K. A. Shaulskyi, S. P. Maydanyuk, V. S. Vasilevsky·Apr 18, 2024SaveLearn
Systematic shell-model analysis of 2ββ decay of 76Ge and 96Zr to the ground and excited states of 76Se and 96MoIn this work, we have studied the 2ββ decay of 76Ge and 96Zr isotopes utilizing large-scale shell-model calculations. The GWBXG effective interaction has been employed in the…Deepak Patel, Praveen C. Srivastava, Jouni Suhonen·Apr 18, 2024SaveLearn
Emulators for scarce and noisy data: application to auxiliary field diffusion Monte Carlo for the deuteronThe validation, verification, and uncertainty quantification of computationally expensive theoretical models of quantum many-body systems require the construction of fast and accurate emulators. In…Rahul Somasundaram, Cassandra L. Armstrong, Pablo Giuliani et al.·Apr 17, 2024SaveLearn
Uncertainty estimation and anomaly detection in chiral effective field theory studies of key nuclear electroweak processesChiral effective field theory () is a powerful tool for studying electroweak processes in nuclei. I discuss calculations of three key nuclear electroweak processes: primordial…Bijaya Acharya·Apr 17, 2024SaveLearn
Discovering Nuclear Models from Symbolic Machine LearningNumerous phenomenological nuclear models have been proposed to describe specific observables within different regions of the nuclear chart. However, developing a unified model that describes the…Jose M. Munoz, Silviu M. Udrescu, Ronald F. Garcia Ruiz·Apr 17, 2024SaveLearn
Momentum dependent nucleon-nucleon contact interactions and their effect on p-d scattering observablesStarting from a complete set of relativistic nucleon-nucleon contact operators up to order O(p4) of the expansion in the soft (relative or nucleon) momentum p, we show that non-relativistic…E. Filandri, L. Girlanda, A. Kievsky et al.·Apr 17, 2024SaveLearn
Sizes of the NucleonEvidences are updated and strengthened for the two-scales picture of low-energy nucleon structure as a compact `hard' valence quark core surrounded by a `soft' cloud of quark-antiquark pairs (the…Norbert Kaiser, Wolfram Weise·Apr 17, 2024SaveLearn
Vector meson production in ultraperipheral heavy ion collisionsWe review model calculations of exclusive vector meson production in ultraperipheral heavy ion collisions. We highlight differences and similarities between different dipole models and leading twist…Björn Schenke, Heikki Mäntysaari, Farid Salazar et al.·Apr 16, 2024SaveLearn
Prediction of Nuclear Charge Density Distribution with Feedback Neural NetworkThe nuclear charge density distribution plays an important role in nuclear physics and atomic physics. As one of the most frequently used models to obtain charge density distribution, the…Tian-Shuai Shang, Jian Li, Zhong-Ming Niu·Apr 16, 2024SaveLearn
Charmonium Transport in Ultra-Relativistic Heavy-Ion Collisions at the LHCWe provide an update on our semi-classical transport approach for quarkonium production in high-energy heavy-ion collisions, focusing on J/ and (2S) mesons in 5.02 TeV Pb-Pb collisions at…Biaogang Wu, Ralf Rapp·Apr 15, 2024SaveLearn