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Levels in doubly odd 138Pr |
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| Authors: | G Gangopadhyay Samit Bhowal R K Bhowmik U Datta Pramanik P Ghosh A Goswami C Petrache A Mukherjee S Muralithar Rajarshi Raut M Saha Sarkar A K Singh R P Singh S Bhattacharya |
| Institution: | (1) Department of Physics, University College of Science, University of Calcutta, 700009 Kolkata, India;(2) Department of Physics, Surendranath Evening College, 24/2 M.G. Road, 700009 Kolkata, India;(3) Nuclear Science Centre, 110067 New Delhi, India;(4) Saha Institute of Nuclear Physics, 1/AF Bidhan Nagar, 700064 Kolkata, India;(5) Variable Energy Cyclotron Centre, 1/AF Bidhan Nagar, 700064 Kolkata, India;(6) Dipartimento di Fisica and INFN, Sezione di Perugia, Università di Camerino, Via Madonna delle Carceri 9, I-62032 Camerino (PG), Italy;(7) Department of Physics, Indian Institute of Technology, 721302 Kharagpur, India |
| Abstract: | The band structures of the doubly odd 138Pr nucleus have been investigated using the 128Te(14N, 4n)138Pr reaction at a beam energy of 55-65 MeV. Altogether six distinct structures have been established, of which the lower part of the yrast band and two side bands were known from earlier works. The observed level properties of the members of the yrast band have been compared with theoretical calculations performed within the Particle Rotor Model (PRM) with axially symmetric core. The experimental branching ratios and B(M1)/B(E2) values when compared with the theoretical results of the PRM, suggest an oblate core. |
| Keywords: | 21 10 Re Collective levels 23 20 -g Electromagnetic transitions 21 60 Ev Collective models 27 60 +j 90 |
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