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Deuteron evaporation from N = Z compound nuclei

Hrabar, Y. LU orcid ; Golubev, P. LU ; Idini, A. LU orcid ; Sarmiento, L. G. LU orcid ; Carlsson, B. G. LU ; Müller-Gatermann, C. ; Reviol, W. ; Rudolph, D. LU orcid ; Seweryniak, D. and Wu, J. , et al. (2025) In Physical Review C 111(6).
Abstract
Deuteron evaporation was observed from the N = Z compound nuclei 52Fe, 56Ni, and 64Ge in an experiment conducted at Argonne National Laboratory, USA. The experiment included a novel combination of two highly pixelated double-sided Si-strip detectors inside the Microball charged-particle detection array, allowing for unequivocal discrimination of evaporated deuterons from protons and α particles. In conjunction with the Gammasphere array, Neutron Shell, and additional ancillary detectors, decay paths into various residual nuclei were investigated. The study provides insights into the competition of deuteron vs proton-neutron evaporation
as a function of available excitation energy and populated... (More)
Deuteron evaporation was observed from the N = Z compound nuclei 52Fe, 56Ni, and 64Ge in an experiment conducted at Argonne National Laboratory, USA. The experiment included a novel combination of two highly pixelated double-sided Si-strip detectors inside the Microball charged-particle detection array, allowing for unequivocal discrimination of evaporated deuterons from protons and α particles. In conjunction with the Gammasphere array, Neutron Shell, and additional ancillary detectors, decay paths into various residual nuclei were investigated. The study provides insights into the competition of deuteron vs proton-neutron evaporation
as a function of available excitation energy and populated angular momentum. Results are interpreted using a statistical evaporation formalism for multiple subsequent particle emissions. The decisive factor in the comparison appears to be the available excitation energy in the residual system, with single nucleon evaporation preferred over deuteron evaporation for higher excitation energies. (Less)
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organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Nuclear reactions, Nuclear structure, Deuteron evaporation, Double sided silicon strip detector
in
Physical Review C
volume
111
issue
6
article number
064619
pages
13 pages
publisher
American Physical Society
ISSN
2469-9985
DOI
10.1103/w465-w3zz
project
Decay Modes of Exotic Nuclei
Nuclear Structure at the Limits: Isotope-selective Spectroscopy
language
English
LU publication?
yes
id
59673ae2-4b95-45e6-9819-70763c95e563
date added to LUP
2025-06-21 15:54:37
date last changed
2025-06-24 02:58:42
@article{59673ae2-4b95-45e6-9819-70763c95e563,
  abstract     = {{Deuteron evaporation was observed from the <i>N</i> = Z compound nuclei <sup>52</sup>Fe, <sup>56</sup>Ni, and <sup>64</sup>Ge in an experiment conducted at Argonne National Laboratory, USA. The experiment included a novel combination of two highly pixelated double-sided Si-strip detectors inside the Microball charged-particle detection array, allowing for unequivocal discrimination of evaporated deuterons from protons and α particles. In conjunction with the Gammasphere array, Neutron Shell, and additional ancillary detectors, decay paths into various residual nuclei were investigated. The study provides insights into the competition of deuteron vs proton-neutron evaporation<br/>as a function of available excitation energy and populated angular momentum. Results are interpreted using a statistical evaporation formalism for multiple subsequent particle emissions. The decisive factor in the comparison appears to be the available excitation energy in the residual system, with single nucleon evaporation preferred over deuteron evaporation for higher excitation energies.}},
  author       = {{Hrabar, Y. and Golubev, P. and Idini, A. and Sarmiento, L. G. and Carlsson, B. G. and Müller-Gatermann, C. and Reviol, W. and Rudolph, D. and Seweryniak, D. and Wu, J. and Albers, H. M. and Anderson, J. T. and Bentley, M. A. and Carpenter, M. P. and Chiara, C. J. and Copp, P. A. and Cox, D. M. and Fahlander, C. and Forsberg, U. and Huang, T. and Jayatissa, H. and Lauritsen, T. and McCaughley, S. F. D. and Pereira-Lopez, X. and Ragnarsson, I. and Stolze, S. and Uthayakumaar, S. and Wilson, G. L.}},
  issn         = {{2469-9985}},
  keywords     = {{Nuclear reactions; Nuclear structure; Deuteron evaporation; Double sided silicon strip detector}},
  language     = {{eng}},
  month        = {{06}},
  number       = {{6}},
  publisher    = {{American Physical Society}},
  series       = {{Physical Review C}},
  title        = {{Deuteron evaporation from <i>N</i> = Z compound nuclei}},
  url          = {{https://lup.lub.lu.se/search/files/221823454/w465-w3zz.pdf}},
  doi          = {{10.1103/w465-w3zz}},
  volume       = {{111}},
  year         = {{2025}},
}