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相关论文: Beta-delayed fission in the coupled Quasi-particle…

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The time-dependent density functional theory (TDDFT) provides a unified description of the structure and reaction. The linear approximation leads to the random-phase approximation (RPA) which is capable of describing a variety of collective…

核理论 · 物理学 2016-05-09 Kai Wen , Kouhei Washiyama , Ni Fang , Takashi Nakatsukasa

Theoretical modeling of nucleus-nucleus collision often is based on the nucleus-nucleus potential. One of the advanced methods for constructing this potential is the semi-microscopical double-folding model with the M3Y-Paris NN-forces.…

核理论 · 物理学 2023-07-26 I. I. Gontchar , M. V. Chushnyakova

We select 300 different parent nuclei in the range Z from 64 to 106. The proximity potentials Zhang 2013 and Guo 2013 are employed to calculate the nuclear potential. The influence of the nuclear surface diffuseness is applied in the…

核理论 · 物理学 2025-11-25 S. Mohammadi , R. Gharaei , S. A. Alavi

Nuclear Astrophysics requires the knowledge of reaction rates over a wide range of nuclei and temperatures. In recent calculations the nuclear level density - as an important ingredient to the statistical model (Hauser-Feshbach) - has shown…

天体物理学 · 物理学 2009-10-28 T. Rauscher , F. -K. Thielemann , K. -L. Kratz

The properties of nuclei embedded in an electron gas are studied within the relativistic mean-field approach. These studies are relevant for nuclear properties in astrophysical environments such as neutron-star crusts and supernova…

核理论 · 物理学 2008-11-26 Thomas J. Buervenich , Igor N. Mishustin , Walter Greiner

Quadrupole transition densities in neutron-rich nuclei in the vicinity of the neutron drip-line are calculated in the framework of the Random Phase Approximation. The continuum is treated by expansion in oscillator functions. We focus on…

核理论 · 物理学 2009-10-30 F. Catara , E. G. Lanza , M. A. Nagarajan , A. Vitturi

The methods used till now to calculate the neutrinoless double beta decay matrix elements are: the Quasiparticle Random Phase Approximation (QRPA), the Shell Model (SM), the angular momentum projected Hartee-Fock-Bogoliubov approach (HFB)…

核理论 · 物理学 2010-12-01 Alberto Escuderos , Amand Faessler , Vadim Rodin , Fedor Simkovic

In this study, we have reported key nuclear properties of weak $\beta$-decay processes on Yttrium isotopes for the mass number range $A = 101 - 108$. This mass region is important in astrophysical $r$-process abundances. Our study might be…

核理论 · 物理学 2025-03-24 Fakeha Farooq , Jameel-Un Nabi , Ramoona Shehzadi

The systematic investigation of the ground state and fission properties of even-even actinides and superheavy nuclei with $Z=90-120$ from the two-proton up to two-neutron drip lines with proper assessment of systematic theoretical…

核理论 · 物理学 2021-03-09 A. Taninah , S. E. Agbemava , A. V. Afanasjev

We evaluate the discovery probability of a combined analysis of proposed neutrinoless double-beta decay experiments in a scenario with normal ordered neutrino masses. The discovery probability strongly depends on the value of the lightest…

高能物理 - 唯象学 · 物理学 2022-08-23 Manuel Ettengruber , Matteo Agostini , Allen Caldwell , Philipp Eller , Oliver Schulz

We present a review of the recent progress of theoretical models on the description of the formation of superheavy nuclei in collisions of heavy systems. Two sorts of reactions that are the fusion-evaporation mechanism and the massive…

核理论 · 物理学 2011-05-30 Zhao-Qing Feng , Gen-Ming Jin , Jun-Qing Li

A theoretical model of one-body nuclear friction which was developed earlier, namely the chaos-weighted wall formula, is applied to a dynamical description of compound nuclear decay in the framework of the Langevin equation coupled with…

核理论 · 物理学 2009-11-07 Gargi Chaudhuri , Santanu Pal

The barriers standing against the formation of superheavy elements and their consecutive $\alpha$ decay have been determined in the quasimolecular shape path within a Generalized Liquid Drop Model including the proximity effects between…

核理论 · 物理学 2015-06-26 G. Royer , K. Zbiri , C. Bonilla

A new consistent analysis of the renormalized proton--neutron quasiparticle random phase approximation based on the simultaneous recalculation of the one--body density matrix and the pairing tensor has been used to study the double beta…

核理论 · 物理学 2009-10-31 A. Bobyk , Wieslaw A. Kaminski , P. Zareba

Atomic nuclei are quantum many-body systems of protons and neutrons held together by strong nuclear forces. Under the proper conditions, nuclei can break into two (sometimes three) fragments which will subsequently decay by emitting…

核理论 · 物理学 2022-09-07 Nicolas Schunck , David Regnier

Nuclear weak-interaction rates are known to exert a prominent effect in the late-stages of stellar collapse. Despite their importance, most studies to date on core-collapse supernovae (CCSNe) have focused primarily on the effects of…

高能天体物理现象 · 物理学 2026-05-26 T. Dasher , A. Ravlić , S. Lalit , E. O'Connor , K. Godbey

A microscopic description of fission dynamics is important to understand the decay properties of neutron-rich heavy nuclei that are relevant to $r$-process nucleosynthesis. To provide a reliable and efficient method to evaluate the…

核理论 · 物理学 2024-06-17 Kouhei Washiyama

The quasi-fission mechanism hinders fusion of heavy systems because of a mass flow between the reactants, leading to a re-separation of more symmetric fragments in the exit channel. A good understanding of the competition between fusion and…

We reexamine the nuclear structure properties of waiting point nuclei around A70 using the interacting boson model 1 (IBM 1) and the relativistic mean field (RMF) model. Effective density dependent meson exchange functional (DD ME2) and…

The delta-shell representation of the nuclear force allows a simplified treatment of nuclear correlations. We show how this applies to the Bethe-Goldstone equation as an integral equation in coordinate space with a few mesh points, which is…

核理论 · 物理学 2017-12-06 I. Ruiz Simo , R. Navarro Perez , J. E. Amaro , E. Ruiz Arriola