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The dependence between neutron-to-proton yield ratio ($R_{np}$) and neutron skin thickness ($\delta_{np}$) in neutron-rich projectile induced reactions is investigated within the framework of the Isospin-Dependent Quantum Molecular Dynamics…

Nuclear Theory · Physics 2009-12-22 X. Y. Sun , D. Q. Fang , Y. G. Ma , X. Z. Cai , J. G. Chen , W. Guo , W. D. Tian , H. W. Wang

We study the diversities in the properties of the neutron stars arising due to the different choices for the cross-coupling between various mesons which governs the density dependence of the nuclear symmetry energy in the extended…

Nuclear Theory · Physics 2018-07-25 N. Alam , A. Sulaksono , B. K. Agrawal

Deep learning models (DLMs) frequently achieve accurate segmentation and classification of tumors from medical images. However, DLMs lacking feedback on their image segmentation mechanisms, such as Dice coefficients and confidence in their…

Image and Video Processing · Electrical Eng. & Systems 2024-12-31 Elhoucine Elfatimi , Pratik Shah

We report a precision measurement of the parity-violating asymmetry $A_{PV}$ in the elastic scattering of longitudinally polarized electrons from $^{208}$Pb. We measure $A_{PV}=550\pm 16 {\rm (stat)}\pm 8\ {\rm (syst)}$ parts per billion,…

Theoretical study of systematics of neutron scattering cross sections on various materials for neutron energies up to several hundred MeV are of practical importance. In this paper, we analysed various cross sections of neutron-nucleus…

Nuclear Theory · Physics 2007-05-23 S. V. Surya Narayan , Rajesh S. Gowda , S. Ganesan

Recent proposals to constrain the nucleon size using hadronic cross sections ($\sigma_{\rm AA}$) conflict with collective flow data. I demonstrate this dependence is an artifact of ``geometric inflation,'' where smearing point-like nucleons…

Nuclear Theory · Physics 2026-02-24 Hao-jie Xu

Differences in the density dependence of the symmetry energy predicted by nonrelativistic and relativistic models are suggested, at least in part, as the culprit for the discrepancy in the values of the compression modulus of symmetric…

Nuclear Theory · Physics 2007-05-23 J. Piekarewicz

The effect of correlations between the slope and the curvature of the symmetry energy on ground state nuclear observables is studied within the extended Thomas-Fermi approximation. We consider different isovector probes of the symmetry…

Nuclear Theory · Physics 2018-06-20 Ad. R. Raduta , F. Gulminelli

The composition and properties of infinite nuclear matter under extreme conditions of temperature and pressure remain incompletely understood. In this work, we constrain the equation of state (EoS) of nuclear matter - constructed within the…

Nuclear Theory · Physics 2025-11-04 Rahul Kumar , Prasanta Char , Rana Nandi

Deep learning (DL) models have received particular attention in medical imaging due to their promising pattern recognition capabilities. However, Deep Neural Networks (DNNs) require a huge amount of data, and because of the lack of…

Image and Video Processing · Electrical Eng. & Systems 2021-07-27 Donya Khaledyan , AmirReza Tajally , Ali Sarkhosh , Afshar Shamsi , Hamzeh Asgharnezhad , Abbas Khosravi , Saeid Nahavandi

The recently published CREX results suggest a rather peculiar picture for the density dependence of the symmetry energy. Whereas PREX favors a large neutron skin thickness in $^{208}$Pb, thereby suggesting a stiff equation of state, CREX…

Nuclear Theory · Physics 2024-02-01 Brendan T. Reed , F. J. Fattoyev , C. J. Horowitz , J. Piekarewicz

Motivated by a recent experiment, the distribution of electric dipole strength in the neutron-rich 68Ni isotope was computed using a relativistic random phase approximation with a set of effective interactions that - although well…

Nuclear Theory · Physics 2011-04-04 J. Piekarewicz

Background: The density dependence of nuclear symmetry energy is crucial in determining several properties of finite nuclei to the neutron stars with mass $\sim$ 1.4 $M_\odot$. The values of neutron skin thickness, isovector giant dipole…

Nuclear Theory · Physics 2023-03-23 T. Ghosh , Sangeeta , G. Saxena , B. K. Agrawal , Ushasi Datta

The static dipole polarizability, $\alpha_{\rm D}$, in ${}^{208}$Pb has been recently measured with high-resolution via proton inelastic scattering at the Research Center for Nuclear Physics (RCNP). This observable is thought to be…

The neutron single-particle characteristics of the N = 20, 28 isotones at 8 < Z < 30 was calculated within the dispersive optical model. The global parameters of the spin-orbit and imaginary parts of the potential as well as surface…

Nuclear Theory · Physics 2019-02-27 O. V. Bespalova , A. A. Klimochkina

The neutron skin and halo distributions in medium and heavy nuclei are calculated within the extended Thomas-Fermi approximation. Calculations are carried out for the effective Skyrme-like forces using the direct variational method. The…

Nuclear Theory · Physics 2018-12-18 S. V. Lukyanov , A. I. Sanzhur

Coherent elastic neutrino scattering on the 40Ar nucleus is computed with coupled-cluster theory based on nuclear Hamiltonians inspired by effective field theories of quantum chromodynamics. Our approach is validated by calculating the…

Nuclear Theory · Physics 2020-01-01 C. G. Payne , S. Bacca , G. Hagen , W. Jiang , T. Papenbrock

Taking $r_{\rm skin}^{208}({\rm PREX})=0.33^{+0.16}_{-0.18}~{\rm fm}$ as an experimental constraint and $M_{\rm max}^{\rm NS} \ge 2{\rm M}_{\rm sun}$ as an observational (astrophysical) constraint, we determine an indisputable range for…

Nuclear Theory · Physics 2022-01-24 Shingo Tagami , Nobutoshi Yasutake , Mitsunori Fukuda , Jun Matsui , Masanobu Yahiro

Direct hard photon emissions from incoherent proton-neutron bremsstrahlung in collisions of the neutron-rich projectile $^{50}$Ca with $^{12}$C and $^{40}$Ca targets are simulated in the framework of the isospin-dependent quantum molecular…

Nuclear Theory · Physics 2022-05-10 S. S. Wang , Y. G. Ma , D. Q. Fang , X. G. Cao

Total reaction cross sections are predicted for nucleons scattering from various nuclei. Projectile energies to 300 MeV are considered. So also are mass variations of those cross sections at selected energies. All predictions have been…

Nuclear Theory · Physics 2009-11-07 K. Amos , S. Karataglidis , P. K. Deb
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