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Measurements of the interaction cross sections for Ar and Cl isotopes

Ozawa, A.; Baumann, T.; Chulkov, L.V.; Cortina-Gil, D.; Datta Pramanik, U.; Fernandez-Vazquez, Jé; Geissel, H.; Hammache, F.; Itahashi, K. and Ivanov, M., et al. (2002) In Nuclear Physics, Section A 709(1-4). p.60-72
Abstract
We have measured the interaction cross sections (σI) of 31–40Ar and 31–37Cl on carbon targets at energies of around 950 A MeV. The effective matter radii for these nuclei were deduced by a Glauber-model analysis. Combining our matter radii with measured charge radii for Ar isotopes, we could deduce the proton-skin thicknesses for the 32–40Ar isotopes, which were found to increase monotonically with decreasing neutron number. The larger radius of the proton drip-line nucleus 31Ar suggests an anomalous structure for this nucleus. In addition, using NaI(Tl) arrays surrounding the carbon target, we measured γ-rays emitted from excited states in these isotopes. In this way we could deduce the upper limits for the inelastic cross sections... (More)
We have measured the interaction cross sections (σI) of 31–40Ar and 31–37Cl on carbon targets at energies of around 950 A MeV. The effective matter radii for these nuclei were deduced by a Glauber-model analysis. Combining our matter radii with measured charge radii for Ar isotopes, we could deduce the proton-skin thicknesses for the 32–40Ar isotopes, which were found to increase monotonically with decreasing neutron number. The larger radius of the proton drip-line nucleus 31Ar suggests an anomalous structure for this nucleus. In addition, using NaI(Tl) arrays surrounding the carbon target, we measured γ-rays emitted from excited states in these isotopes. In this way we could deduce the upper limits for the inelastic cross sections (σinela) on carbon targets at energies of around 950 A MeV. (Less)
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publishing date
type
Contribution to journal
publication status
published
in
Nuclear Physics, Section A
volume
709
issue
1-4
pages
60 - 72
publisher
Elsevier
external identifiers
  • scopus:0037152249
ISSN
0375-9474
DOI
10.1016/S0375-9474(02)01071-0
language
English
LU publication?
no
id
2a8d4acd-1c05-4e26-9dd6-59e25d674ef7 (old id 1124685)
date added to LUP
2008-05-29 08:44:43
date last changed
2017-05-28 04:22:02
@article{2a8d4acd-1c05-4e26-9dd6-59e25d674ef7,
  abstract     = {We have measured the interaction cross sections (σI) of 31–40Ar and 31–37Cl on carbon targets at energies of around 950 A MeV. The effective matter radii for these nuclei were deduced by a Glauber-model analysis. Combining our matter radii with measured charge radii for Ar isotopes, we could deduce the proton-skin thicknesses for the 32–40Ar isotopes, which were found to increase monotonically with decreasing neutron number. The larger radius of the proton drip-line nucleus 31Ar suggests an anomalous structure for this nucleus. In addition, using NaI(Tl) arrays surrounding the carbon target, we measured γ-rays emitted from excited states in these isotopes. In this way we could deduce the upper limits for the inelastic cross sections (σinela) on carbon targets at energies of around 950 A MeV.},
  author       = {Ozawa, A. and Baumann, T. and Chulkov, L.V. and Cortina-Gil, D. and Datta Pramanik, U. and Fernandez-Vazquez, Jé and Geissel, H. and Hammache, F. and Itahashi, K. and Ivanov, M. and Janik, R and Kato, T and Kimura, K and Kobayashi, T and Markenroth Bloch, Karin and Meister, M and Münzenberg, G and Ohtsubo, T and Ohya, S and Okuda, T and Ogloblin, A A and Pribora, V and Sekiguchi, M and Sitár, B and Strmen, P and Sugimoto, S and Sümmerer, K and Suzuki, T and Tanihata, I and Yamaguchi, Y},
  issn         = {0375-9474},
  language     = {eng},
  number       = {1-4},
  pages        = {60--72},
  publisher    = {Elsevier},
  series       = {Nuclear Physics, Section A},
  title        = {Measurements of the interaction cross sections for Ar and Cl isotopes},
  url          = {http://dx.doi.org/10.1016/S0375-9474(02)01071-0},
  volume       = {709},
  year         = {2002},
}