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Please use this identifier to cite or link to this item: http://repository.iitr.ac.in/handle/123456789/13919
Title: High spin band structure of 3885 Sr47
Authors: Kumar S.
Kumar N.
Mandal S.
Pancholi S.C.
Srivastava P.C.
Jain A.K.
Palit R.
Saha S.
Sethi J.
Naidu B.S.
Donthi R.
Joshi P.K.
Trivedi T.
Muralithar S.
Singh R.P.
Kumar R.
Dhal A.
Bhowmik R.K.
Published in: Physical Review C - Nuclear Physics
Abstract: High spin states in the Sr85 nucleus were populated in the reaction Ge76(13C,4n) at a beam energy of 45 MeV. The γ-γ and γ-γ-γ coincidence measurements have been utilized to establish the level scheme of Sr85 up to Iπ=35/2-. Nearly 50 new γ rays and about 25 new levels were identified and most of the previously known levels confirmed. The spin-parity assignment of the levels was made by using the directional correlations of the oriented nuclei ratios and polarization asymmetry measurements. The shell-model calculations have been performed by using two recent interactions, JUN45 and jj44b, for a detailed comparison between theoretical results and the experimental data obtained in the present work. The shell-model results are in good agreements with the experimental data and are able to explain the various features such as the odd-even staggering well. Tilted axis cranking calculations were also performed to understand the magnetic rotation (MR) phenomenon at higher spins. One of the positive-parity ΔI=1 bands has been assigned a three-quasiparticle (3qp) configuration, which appears to behave like a MR band. A negative-parity band populated up to Iπ=35/2- was also assigned a 3qp configuration at low spin and a five-quasiparticle configuration at high spin; however, it does not exhibit the expected MR features, in contrast to a similar band in the Kr83 nucleus. © 2014 American Physical Society.
Citation: Physical Review C - Nuclear Physics (2014), 90(2): -
URI: https://doi.org/10.1103/PhysRevC.90.024315
http://repository.iitr.ac.in/handle/123456789/13919
Issue Date: 2014
Publisher: American Physical Society
ISSN: 5562813
Author Scopus IDs: 57201570682
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57196649118
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57203774491
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55155047600
Author Affiliations: Kumar, S., Department of Physics and Astrophysics, University of Delhi, Delhi 110007, India
Kumar, N., Department of Physics and Astrophysics, University of Delhi, Delhi 110007, India
Mandal, S., Department of Physics and Astrophysics, University of Delhi, Delhi 110007, India
Pancholi, S.C., Department of Physics and Astrophysics, University of Delhi, Delhi 110007, India
Srivastava, P.C., Department of Physics, Indian Institute of Technology, Roorkee 247667, India
Jain, A.K., Department of Physics, Indian Institute of Technology, Roorkee 247667, India
Palit, R., Department of Nuclear and Atomic Physics, Tata Institute of Fundamental Research, Mumbai 400005, India
Saha, S., Department of Nuclear and Atomic Physics, Tata Institute of Fundamental Research, Mumbai 400005, India
Sethi, J., Department of Nuclear and Atomic Physics, Tata Institute of Fundamental Research, Mumbai 400005, India
Naidu, B.S., Department of Nuclear and Atomic Physics, Tata Institute of Fundamental Research, Mumbai 400005, India
Donthi, R., Department of Nuclear and Atomic Physics, Tata Institute of Fundamental Research, Mumbai 400005, India
Joshi, P.K., Department of Nuclear and Atomic Physics, Tata Institute of Fundamental Research, Mumbai 400005, India
Trivedi, T., Department of Pure and Applied Physics, Guru Ghasidas University, Bilaspur, Chhattisgarh 495009, India
Muralithar, S., Inter-University Accelerator Centre, Aruna Asaf Ali Marg, New Delhi 110067, India
Singh, R.P., Inter-University Accelerator Centre, Aruna Asaf Ali Marg, New Delhi 110067, India
Kumar, R., Inter-University Accelerator Centre, Aruna Asaf Ali Marg, New Delhi 110067, India
Dhal, A., Inter-University Accelerator Centre, Aruna Asaf Ali Marg, New Delhi 110067, India
Bhowmik, R.K., Inter-University Accelerator Centre, Aruna Asaf Ali Marg, New Delhi 110067, India
Appears in Collections:Journal Publications [PH]

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