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Competing single-particle and collective states in the low-energy structure of 113I

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Taylor, M., Cullen, D., Procter, M., Bäck, T., Cederwall, B., Doncel, M., Braunroth, T., Dewald, A., Pakarinen, J., Grahn, T., Greenlees, P., Auranen, K., Jakobsson, U., Julin, R., Juutinen, S., Herzan, A., Konki, J., Leino, M., Liotta, R., . . . Xu, F. (2013). Competing single-particle and collective states in the low-energy structure of 113I. Physical Review C, 88(5), Article 054307. https://doi.org/10.1103/PhysRevC.88.054307
Published in
Physical Review C
Authors
Taylor, M.J. |
Cullen, David |
Procter, M.G. |
Bäck, Torbjörn |
Cederwall, Bo |
Doncel, M. |
Braunroth, T. |
Dewald, A. |
Pakarinen, Janne |
Grahn, Tuomas |
Greenlees, Paul |
Auranen, Kalle |
Jakobsson, Ulrika |
Julin, Rauno |
Juutinen, Sakari |
Herzan, Andrej |
Konki, Joonas |
Leino, Matti |
Liotta, R. |
Partanen, Jari |
Peura, Pauli |
Rahkila, Panu |
Ruotsalainen, Panu |
Sandzelius, Mikael |
Sarén, Jan |
Sorri, Juha |
Stolze, Sanna |
Uusitalo, Juha |
Liang, W.Y. |
Xu, F.R.
Date
2013
Discipline
FysiikkaKiihdytinlaboratorioPhysicsAccelerator Laboratory
Copyright
© 2013 American Physical Society. Published in this repository with the kind permission of the publisher.

 
To understand the low-energy structure of the neutron deficient iodine isotopes, lifetimes for the low-lying 9/2+ and 11/2+ positive-parity states in 113I have been measured as τ = 28(4) ps and τ = 3.7(7) ps, respectively. The lifetime for the 11/2− state, which feeds the 9/2+ and 11/2+ states, was remeasured with improved accuracy as τ = 216(7) ps. The reduced transition probability, B(E2) = 32(5) W.u., for the 9/2+ → 5/2+ transition agrees with that calculated within the shell model using a Hamiltonian based on the charge-dependent Bonn nucleon-nucleon interaction. In contrast, the much larger transition probability, B(E2) = 209(39) W.u., measured for the 11/2+ → 7/2+ transition has been interpreted, with the aid of configuration-constrained total Routhian surface calculations, as resulting from a slightly γ -soft rotor with an associated quadrupole deformation of β2 ≈ 0.18. Remarkably similar reduced E1 transition probabilities of 5.5(5) × 10−4 and 4.9(5) × 10−4 W.u. were deduced for the 11/2− → 9/2+ and 11/2− → 11/2+ transitions, respectively, which feed apparently dissimilar but competing structures. ...
Publisher
American Physical Society
ISSN Search the Publication Forum
0556-2813
Keywords
Experimental Nuclear Physics
DOI
https://doi.org/10.1103/PhysRevC.88.054307
URI

http://urn.fi/URN:NBN:fi:jyu-201603101812

Publication in research information system

https://converis.jyu.fi/converis/portal/detail/Publication/23220880

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