High spin spectroscopy of 201Tl

S. Das Gupta, S. Bhattacharyya, H. Pai, G. Mukherjee, Soumik Bhattacharya, R. Palit, A. Shrivastava, A. Chatterjee, S. Chanda, V. Nanal, S. K. Pandit, S. Saha, J. Sethi, and S. Thakur
Phys. Rev. C 88, 044328 – Published 25 October 2013

Abstract

The high spin structure of 201Tl has been studied by γ-ray spectroscopic method using the 198Pt(7Li,4n)201Tl reaction at 45 MeV beam energy. The level scheme of 201Tl has been considerably extended through the observation of 31 new transitions. Several new band structures have been established. The 9/2 oblate band has been significantly extended beyond the particle alignment frequencies. The band structures and the other excited states have been compared with the neighboring odd-A Tl isotopes and with the even-even core nucleus 200Hg. The total Routhian surface calculations have been performed to study the deformation and shape changes as a function of spin in this nucleus.

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  • Received 24 July 2013

DOI:https://doi.org/10.1103/PhysRevC.88.044328

©2013 American Physical Society

Authors & Affiliations

S. Das Gupta1, S. Bhattacharyya1,*, H. Pai1,†, G. Mukherjee1, Soumik Bhattacharya1, R. Palit2, A. Shrivastava3, A. Chatterjee3, S. Chanda4, V. Nanal2, S. K. Pandit3, S. Saha2, J. Sethi2, and S. Thakur2

  • 1Variable Energy Cyclotron Centre, 1/AF Bidhannagar, Kolkata 700064, India
  • 2Department of Nuclear and Atomic Physics, Tata Institute of Fundamental Research, Mumbai 400005, India
  • 3Nuclear Physics Division, Bhabha Atomic Research Centre, Mumbai 400085, India
  • 4Fakir Chand College, Diamond Harbour, West Bengal, India

  • *Corresponding author: sarmi@vecc.gov.in
  • Present address: Institut für Kernphysik, Technische Universität Darmstadt, D-64289 Darmstadt, Germany.

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Issue

Vol. 88, Iss. 4 — October 2013

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