25–30 May 2025
Daejeon Convention Center (DCC)
Asia/Seoul timezone

Level density parameters and fission probabilities along fission paths

27 May 2025, 11:00
25m
Room 6: 1F #103 (DCC)

Room 6: 1F #103

DCC

Invited Talk for Parallel Sessions (Invitation Only) Nuclear Reactions Parallel Session

Speaker

Nikolai Antonenko (BLTP, JINR)

Description

We employ a statistical approach to investigate the influence of axial asymmetry on the nuclear level density and entropy along the fission pathways of a superheavy nucleus, specifically focusing on the $^{296}$Lv isotope. These pathways are determined within multidimensional deformation spaces. Our analysis reveals a significant impact of triaxiality on entropy. Additionally, suppressing shell effects can alter the fission scenario depending on the available excitation energy. We derive the deformation-dependent level density parameter, which plays a crucial role in estimating the survival probability of a superheavy nucleus. Furthermore, we utilize a master equation to solve for the time-dependent fission probabilities and calculate the ratio of decay probabilities for both axial and triaxial paths.

Primary author

Nikolai Antonenko (BLTP, JINR)

Presentation materials