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Enhanced strength of the 2(1)(+) -> 0(g.s.)(+) transition in Sn-114 studied via Coulomb excitation in inverse kinematics

Doornenbal, P. ; Reiter, P. ; Grawe, H. ; Wollersheim, H. J. ; Bednarczyk, P. ; Caceres, L. ; Cederkäll, Joakim LU ; Ekström, Andreas LU ; Gerl, J. and Gorska, M. , et al. (2008) In Physical Review C (Nuclear Physics) 78(3).
Abstract
The 2(1)(+) states of Sn-114,Sn-116 were excited in two consecutive experiments by means of Coulomb excitation in inverse kinematics on a Ni-58 target. A precise determination of the reduced transition probability B(E2; 0(g.s.)(+) -> 2(1)(+)) of Sn-114 relative to the well-known 2(1)(+) excitation strength in Sn-116 was achieved by comparing the relative projectile to target 2(1)(+) -> 0(g.s.)(+) decay intensities. The obtained B(E2 up arrow) value of 0.232(8)e(2)b(2) for Sn-114 confirms the tendency of large B(E2 up arrow) values for the light tin isotopes below the midshell Sn-116 that has been observed recently in various radioactive ion beam experiments. The result establishes most clearly the discrepancy between the current B(E2... (More)
The 2(1)(+) states of Sn-114,Sn-116 were excited in two consecutive experiments by means of Coulomb excitation in inverse kinematics on a Ni-58 target. A precise determination of the reduced transition probability B(E2; 0(g.s.)(+) -> 2(1)(+)) of Sn-114 relative to the well-known 2(1)(+) excitation strength in Sn-116 was achieved by comparing the relative projectile to target 2(1)(+) -> 0(g.s.)(+) decay intensities. The obtained B(E2 up arrow) value of 0.232(8)e(2)b(2) for Sn-114 confirms the tendency of large B(E2 up arrow) values for the light tin isotopes below the midshell Sn-116 that has been observed recently in various radioactive ion beam experiments. The result establishes most clearly the discrepancy between the current B(E2 up arrow) value predictions from large-scale shell-model calculations and the experimental deviation, which commences already for the stable Sn-114 isotope. (Less)
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organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Physical Review C (Nuclear Physics)
volume
78
issue
3
publisher
American Physical Society
external identifiers
  • wos:000259692300004
  • scopus:52949153253
ISSN
0556-2813
DOI
10.1103/PhysRevC.78.031303
language
English
LU publication?
yes
id
15e289da-9633-4a67-8d24-4b90295fe5a1 (old id 1285961)
date added to LUP
2016-04-01 14:41:07
date last changed
2025-04-04 15:15:55
@article{15e289da-9633-4a67-8d24-4b90295fe5a1,
  abstract     = {{The 2(1)(+) states of Sn-114,Sn-116 were excited in two consecutive experiments by means of Coulomb excitation in inverse kinematics on a Ni-58 target. A precise determination of the reduced transition probability B(E2; 0(g.s.)(+) -> 2(1)(+)) of Sn-114 relative to the well-known 2(1)(+) excitation strength in Sn-116 was achieved by comparing the relative projectile to target 2(1)(+) -> 0(g.s.)(+) decay intensities. The obtained B(E2 up arrow) value of 0.232(8)e(2)b(2) for Sn-114 confirms the tendency of large B(E2 up arrow) values for the light tin isotopes below the midshell Sn-116 that has been observed recently in various radioactive ion beam experiments. The result establishes most clearly the discrepancy between the current B(E2 up arrow) value predictions from large-scale shell-model calculations and the experimental deviation, which commences already for the stable Sn-114 isotope.}},
  author       = {{Doornenbal, P. and Reiter, P. and Grawe, H. and Wollersheim, H. J. and Bednarczyk, P. and Caceres, L. and Cederkäll, Joakim and Ekström, Andreas and Gerl, J. and Gorska, M. and Jhingan, A. and Kojouharov, I. and Kumar, R. and Prokopowicz, W. and Schaffner, H. and Singh, R. P.}},
  issn         = {{0556-2813}},
  language     = {{eng}},
  number       = {{3}},
  publisher    = {{American Physical Society}},
  series       = {{Physical Review C (Nuclear Physics)}},
  title        = {{Enhanced strength of the 2(1)(+) -> 0(g.s.)(+) transition in Sn-114 studied via Coulomb excitation in inverse kinematics}},
  url          = {{http://dx.doi.org/10.1103/PhysRevC.78.031303}},
  doi          = {{10.1103/PhysRevC.78.031303}},
  volume       = {{78}},
  year         = {{2008}},
}