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      https://www.ias.ac.in/article/fulltext/pram/057/01/0175-0179

    • Keywords

       

      High spin states; nuclear structure; gamma-ray spectroscopy; 139Pr energy levels

    • Abstract

       

      The high spin states in N=80 139Pr have been investigated by in-beam γ-spectroscopic techniques following the reaction 130Te (14N, 5n) reaction at E=75 MeV, using a gamma detector array, consisting of seven 23% compton-suppressed high purity germanium detectors and a multiplicity ball of fourteen bismuth germanate elements. Based on γ-γ coincidence data, the level scheme of 139Pr has been considerably extended up to 7.2 MeV excitation. Tentative spin-parity assignments are done for the newly proposed levels on the basis of the DCO ratios corresponding to strong gates and the available information from the earlier light ion experiments.

    • Author Affiliations

       

      S Chanda1 Sarmishtha Bhattacharyya2 Tumpa Bhattacharjee2 SS Ghugre3 Swapan Kumar Basu2 S Muralithar4 RP Singh4 B Mukherjee4 RK Bhowmik4 SN Ray5

      1. Fakir Chand College, Diamond Harbour, West Bengal
      2. Variable Energy Energy Cyclotron Centre, Kolkata - 700 064, India
      3. Inter University Consortium for DAE Facilities, Kolkata - 700 091, India
      4. Nuclear Science Centre, New Delhi - 110 067, India
      5. Physics Department, Viswabharati University, Santiniketan, West Bengal

    • Dates

       
      Published
      July 2001

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