Smooth band termination at high spin in 113I

The 113I nucleus has been studied using the 58Ni(58Ni,3p) reaction at 250 MeV with the Gammasphere/ Microball facility. Gamma-ray three-and four-fold data gated by charged particle combinations were analyzed. Multipolarities of the γ rays were assigned following the angular correlation measurements. The present study is focused on the high spin properties, where the structure is dominated by 2p-2h excitations across the Z=50 gap. Ten decoupled bands showing the features of smooth band termination were observed; three of those bands are linked to known low-spin states, which allows the identification of configurations by direct comparisons with configuration-dependent cranked Nilsson-Strutinsky calculations. The yrast band, which was linked along with the signature partner, was followed up to (101/2+) and ℏω∼1.3 MeV. The other linked band was a negative-parity band observed up to (95/2-). Tentative configurations for the unlinked bands are discussed. Comparisons with the theoretical results suggest that the band built on a configuration involving the neutron i13/2 intruder orbital originating from the N=6 harmonic oscillator subshell was observed in this experiment.

Chiara, C. J.Stony Brook University (author)
Fossan, D. B.Stony Brook University (author)
Koike, T.Stony Brook University (author)
LaFosse, D. R.Stony Brook University (author)
Lane, G. J.Lawrence Berkeley National Laboratory,Stony Brook University (author)
Sears, J. M.Stony Brook University (author)
Smith, J. F.University of Manchester,Stony Brook University (author)
Boston, A. J.University of Liverpool (author)
Nolan, P. J.University of Liverpool (author)
Paul, E. S.University of Liverpool (author)
Semple, A. T.University of Liverpool (author)
Devlin, M.Washington University in St. Louis,Los Alamos National Laboratory (author)
Sarantites, D. G.Washington University in St. Louis (author)
Lee, I. Y.Lawrence Berkeley National Laboratory (author)
Macchiavelli, A. O.Lawrence Berkeley National Laboratory (author)
Ragnarsson, I.Lund University,Lunds universitet,Matematisk fysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Mathematical Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)matf-ira (author)
University of WarsawStony Brook University (creator_code:org_t)

By the author/editor: Starosta, K.; Chiara, C. J.; Fossan, D. B.; Koike, T.; LaFosse, D. R.; Lane, G. J.; show more...; Sears, J. M.; Smith, J. F.; Boston, A. J.; Nolan, P. J.; Paul, E. S.; Semple, A. T.; Devlin, M.; Sarantites, D. G ...; Lee, I. Y.; Macchiavelli, A. ...; Ragnarsson, I.; show less...

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NATURAL SCIENCES: NATURAL SCIENCES; and Physical Science ...; and Subatomic Physic ...

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