g-factor measurement of the 2738 keV isomer in La135

Md. S. R. Laskar, S. Saha, R. Palit, S. N. Mishra, N. Shimizu, Y. Utsuno, E. Ideguchi, Z. Naik, F. S. Babra, S. Biswas, S. Kumar, S. K. Mohanta, C. S. Palshetkar, P. Singh, and P. C. Srivastava
Phys. Rev. C 99, 014308 – Published 9 January 2019

Abstract

The g factor of an isomeric state at 2738 keV in La135 has been measured by time differential perturbed angular distribution technique. This isomer was populated in the reaction Te128(B11, 4n)La135 at beam energy of 52 MeV. We performed the large-scale shell-model (LSSM) calculations which successfully describe the low-lying levels and band structures of La135. The measured value of the g factor,0.049(3), has been compared with the LSSM result to firmly assign the configuration of the isomeric state. The major configuration of 23/2+ state is π(d5/2)ν(h11/2)2.

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  • Received 30 July 2018
  • Revised 30 November 2018

DOI:https://doi.org/10.1103/PhysRevC.99.014308

©2019 American Physical Society

Physics Subject Headings (PhySH)

Nuclear Physics

Authors & Affiliations

Md. S. R. Laskar1, S. Saha1, R. Palit1, S. N. Mishra1, N. Shimizu2, Y. Utsuno2,3, E. Ideguchi4, Z. Naik5, F. S. Babra1, S. Biswas1, S. Kumar6, S. K. Mohanta1, C. S. Palshetkar1, P. Singh1, and P. C. Srivastava7

  • 1Department of Nuclear and Atomic Physics, Tata Institute of Fundamental Research, Mumbai 400005, India
  • 2Center for Nuclear Study, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
  • 3Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195, Japan
  • 4Research Center for Nuclear Physics (RCNP), Osaka University, Ibaraki, Osaka 567-0047, Japan
  • 5Sambalpur University, Sambalpur-768019, India
  • 6University of Delhi, Delhi-110007, India
  • 7Department of Physics, Indian Institute of Technology, Roorkee 247667, India

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Issue

Vol. 99, Iss. 1 — January 2019

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