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Nuclear Structure Effects in Fission

Aberg, S. LU ; Albertsson, M. LU ; Carlsson, B. G. ; Døssing, T. ; Möller, P. LU and Randrup, J. LU (2023) 28th International Nuclear Physics Conference, INPC 2022 In Journal of Physics: Conference Series 2586.
Abstract

Three examples of nuclear structure effects in fission dynamics are discussed: (i) The appearance of a super-short symmetric mode in the fission of nuclei around 264Fm leading to two double-magic 132Sn, (ii) Fission of some super-heavy elements where the heavy cluster is focused around double-magic 208Pb, and (iii) A saw-tooth distribution in angular momenta versus the fission fragment mass in the fission of 239U. The Metropolis random walk method is used to simulate the strongly damped fission dynamics on a 5D deformation grid. The dynamics is driven by pairing-, shape- and energy-dependent level densities. When available, a good agreement with experimental data is obtained.

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author
; ; ; ; and
organization
publishing date
type
Chapter in Book/Report/Conference proceeding
publication status
published
subject
host publication
Journal of Physics: Conference Series
series title
Journal of Physics: Conference Series
volume
2586
edition
1
conference name
28th International Nuclear Physics Conference, INPC 2022
conference location
Cape Town, South Africa
conference dates
2022-09-11 - 2022-09-16
external identifiers
  • scopus:85174637395
ISSN
1742-6588
DOI
10.1088/1742-6596/2586/1/012027
language
English
LU publication?
yes
id
c8d0b6dd-2b09-4fc7-a01d-a0ea75961da8
date added to LUP
2024-01-12 09:35:07
date last changed
2024-01-12 09:37:20
@inproceedings{c8d0b6dd-2b09-4fc7-a01d-a0ea75961da8,
  abstract     = {{<p>Three examples of nuclear structure effects in fission dynamics are discussed: (i) The appearance of a super-short symmetric mode in the fission of nuclei around <sup>264</sup>Fm leading to two double-magic <sup>132</sup>Sn, (ii) Fission of some super-heavy elements where the heavy cluster is focused around double-magic <sup>208</sup>Pb, and (iii) A saw-tooth distribution in angular momenta versus the fission fragment mass in the fission of <sup>239</sup>U. The Metropolis random walk method is used to simulate the strongly damped fission dynamics on a 5D deformation grid. The dynamics is driven by pairing-, shape- and energy-dependent level densities. When available, a good agreement with experimental data is obtained.</p>}},
  author       = {{Aberg, S. and Albertsson, M. and Carlsson, B. G. and Døssing, T. and Möller, P. and Randrup, J.}},
  booktitle    = {{Journal of Physics: Conference Series}},
  issn         = {{1742-6588}},
  language     = {{eng}},
  series       = {{Journal of Physics: Conference Series}},
  title        = {{Nuclear Structure Effects in Fission}},
  url          = {{http://dx.doi.org/10.1088/1742-6596/2586/1/012027}},
  doi          = {{10.1088/1742-6596/2586/1/012027}},
  volume       = {{2586}},
  year         = {{2023}},
}