Projected shell model description of nuclear level density: Collective, pair-breaking, and multiquasiparticle regimes in even-even nuclei

J Wang, S Dutta, LJ Wang, Y Sun - Physical Review C, 2023 - APS
There is overwhelmingly experimental evidence indicating that excited nuclear states are
dominated by quasiparticle (qp) excitations, which form many-body configurations with …

Fingerprints of the triaxial deformation from energies and B(E2) transition probabilities of -bands in transitional and deformed nuclei

SP Rouoof, N Nazir, S Jehangir, GH Bhat… - The European Physical …, 2024 - Springer
The energies and B (E 2) transitions involving the states of the ground-and γ-bands in thirty
transitional and deformed nuclei are calculated using the triaxial projected shell model …

[HTML][HTML] Stellar weak-interaction rates for rp-process waiting-point nuclei from projected shell model

ZR Chen, LJ Wang - Physics Letters B, 2024 - Elsevier
We propose a projected shell model (PSM) for description of stellar weak-interaction rates
between even-even and odd-odd nuclei with extended configuration space where up to six …

Urca cooling in neutron star crusts and oceans: Effects of nuclear excitations

LJ Wang, L Tan, Z Li, GW Misch, Y Sun - Physical Review Letters, 2021 - APS
The excited-state structure of atomic nuclei can modify nuclear processes in stellar
environments. In this Letter, we study the influence of nuclear excitations on Urca cooling …

Effective and efficient algorithm for the Wigner rotation matrix at high angular momenta

BL Wang, F Gao, LJ Wang, Y Sun - Physical Review C, 2022 - APS
The Wigner rotation matrix (d function), which appears as a part of the angular-momentum-
projection operator, plays a crucial role in modern nuclear-structure models. However, it is a …

Nuclear spectrum from the projected shell model: Allowed one-to-one transition

F Gao, ZR Chen, LJ Wang - Physical Review C, 2023 - APS
Nuclear β spectrum and the corresponding (anti) neutrino spectrum play important roles in
many aspects of nuclear astrophysics, particle physics, nuclear industry, and nuclear data. In …

Description of stellar electron-capture rates by the projected shell model

LJ Wang, L Tan, Z Li, B Gao, Y Sun - Physical Review C, 2021 - APS
Capture of electrons by nuclei is an important process in stellar environments where excited
nuclear states are thermally populated. However, accurate treatment for excited …

Triaxial projected shell model study of -bands in atomic nuclei

S Jehangir, GH Bhat, JA Sheikh, S Frauendorf… - The European Physical …, 2021 - Springer
A systematic study of γ γ-bands observed in atomic nuclei is performed using the triaxial
projected shell model (TPSM) approach. The staggering phase between the even and odd …

Pfaffian formulation for matrix elements of three-body operators in multiple quasiparticle configurations

ZR Chen, LJ Wang - Physical Review C, 2022 - APS
We present a Pfaffian formula to calculate matrix elements of three-body operators in
symmetry-restoration beyond-mean-field methods, including the case of multiple …

Triaxial projected shell model approach for negative parity states in even-even nuclei

N Nazir, S Jehangir, SP Rouoof, GH Bhat, JA Sheikh… - Physical Review C, 2023 - APS
The triaxial projected shell model (TPSM) approach is generalized to investigate the
negative parity band structures in even-even systems. In the earlier version of the TPSM …