High spin spectroscopy and shape evolution in Cd105

M. Kumar Raju, D. Negi, S. Muralithar, R. P. Singh, J. A. Sheikh, G. H. Bhat, R. Kumar, Indu Bala, T. Trivedi, A. Dhal, K. Rani, R. Gurjar, D. Singh, R. Palit, B. S. Naidu, S. Saha, J. Sethi, R. Donthi, and S. Jadhav
Phys. Rev. C 91, 024319 – Published 20 February 2015

Abstract

High spin states in Cd105 were studied using Mo92(O16,2pn)Cd105 reaction at an incident beam energy of 75 MeV. The level scheme of Cd105 has been observed up to Jπ=(47/2) and excitation energy 10.8MeV with the addition of 30 new γ transitions to the previous work. Spin and parity for most of the reported levels are assigned from the directional correlation orientation (DCO) ratios and linear polarization measurements. The microscopic origin of the investigated band structures is discussed in the context of triaxial projected shell model (TPSM). The energies of observed positive- and negative-parity bands agree with the predictions of the TPSM by considering triaxial deformation for the observed excited band structures. The shape evolution with increasing angular momentum is explained in the framework of cranked shell model (CSM) and the total Routhian surface (TRS) calculations.

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  • Received 4 June 2014
  • Revised 5 January 2015

DOI:https://doi.org/10.1103/PhysRevC.91.024319

©2015 American Physical Society

Authors & Affiliations

M. Kumar Raju1,*, D. Negi1, S. Muralithar1,†, R. P. Singh1, J. A. Sheikh2,3, G. H. Bhat2, R. Kumar1, Indu Bala1, T. Trivedi4, A. Dhal5, K. Rani1, R. Gurjar1, D. Singh6, R. Palit7, B. S. Naidu7, S. Saha7, J. Sethi7, R. Donthi7, and S. Jadhav7

  • 1Inter-University Accelerator Centre, Aruna Asaf Ali Marg, New Delhi 110067, India
  • 2Department of Physics, University of Kashmir, Srinagar 190 006, India
  • 3Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37996, USA
  • 4Guru Ghasidas Vishwavidyalaya, Bilaspur 495009, India
  • 5Department of Particle and Astrophysics, Weizmann Institute of Science, Rehovot 76100, Israel
  • 6Central University of Jharkhand, Ranchi 835 205, India
  • 7Tata Institute of Fundamental Research, Mumbai 400005, India

  • *Present address: Department of Physics, University of the Western Cape, Bellville-7535, South Africa and Department of Nuclear Physics, iThemba LABS 7129, South Africa.
  • smuralithar@gmail.com

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Vol. 91, Iss. 2 — February 2015

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