Ground-state band in Se-72 - INSPIRE

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Ground-state band in Se-72

K.P. Lieb
(
- Brookhaven
)
,
James J. Kolata
(
- Brookhaven
)

Mar, 1977

10 pages

Published in:

Phys.Rev.C 15 (1977) 939-949

DOI:

10.1103/PhysRevC.15.939

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Abstract: (APS)

Yrast states in Se72 up to Iπ=14+ have been excited in the reaction Ni58(O16, 2p) at 40-58 MeV beam energy. Their mean lifetimes have been determined by using the Doppler shift attenuation method. The measured B(E2) values of transitions within the ground-state band are discussed in terms of several nuclear models, including the triaxial rotor and interacting boson models. An upper limit of τf<0.1 ps was deduced for the feeding-time of the highest yrast states. NUCLEAR REACTIONS Ni58(O16, 2pγ) 40-58 MeV; measured Eγ, relative excitation functions, angular distributions, Doppler shift; deduced Ex, Iπ, T12, feeding time.

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