Inelastic neutron scattering studies of Se76

S. Mukhopadhyay, B. P. Crider, B. A. Brown, A. Chakraborty, A. Kumar, M. T. McEllistrem, E. E. Peters, F. M. Prados-Estévez, and S. W. Yates
Phys. Rev. C 99, 014313 – Published 22 January 2019

Abstract

The low-lying, low-spin levels of Se76 were studied with the (n,nγ) reaction. Gamma-ray excitation function measurements were performed at incident neutron energies from 2.0 to 3.5 MeV, and γ-ray angular distributions were measured at neutron energies of 2.4, 3.0, and 3.7 MeV. From these measurements, level spins, level lifetimes, branching ratios, and multipole mixing ratios were determined. We established the 02+ band, which supports the shape coexistence in Se76 predicted by large-scale shell model calculations and the interacting boson model.

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  • Received 17 August 2018
  • Revised 20 November 2018

DOI:https://doi.org/10.1103/PhysRevC.99.014313

©2019 American Physical Society

Physics Subject Headings (PhySH)

Nuclear Physics

Authors & Affiliations

S. Mukhopadhyay1,2,*, B. P. Crider1,†, B. A. Brown3,4, A. Chakraborty1,2,‡, A. Kumar1,2,§, M. T. McEllistrem1, E. E. Peters2, F. M. Prados-Estévez1,2, and S. W. Yates1,2

  • 1Department of Physics and Astronomy, University of Kentucky, Lexington, Kentucky 40506-0055, USA
  • 2Department of Chemistry, University of Kentucky, Lexington, Kentucky 40506-0055, USA
  • 3National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA
  • 4Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA

  • *smukh3@uky.edu
  • Present address: Department of Physics & Astronomy, Mississippi State University, Mississippi State, MS 39762, USA.
  • Present address: Department of Physics, Siksha Bhavana, Visva-Bharati, Santiniketan 731235, India.
  • §Present address: Department of Physics, Banaras Hindu University, Varanasi 221005, India.

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Vol. 99, Iss. 1 — January 2019

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