High-spin states in odd-odd 168Lu |
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| Authors: | SK Katoch SL Gupta SC Pancholi D Mehta S Malik G Shanker L Chaturvedi RK Bhowmik |
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| Institution: | (1) Department of Physics and Astrophysics, University of Delhi, Delhi-100 007, India, IN;(2) Department of Physics, Banaras Hindu University, Varanasi-221 005, India, IN;(3) Nuclear Science Centre, Aruna Asaf Ali Marg, New Delhi-110 067, India, IN |
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| Abstract: | High-spin states in the odd-odd 168Lu nucleus, populated in the 154Sm(19F,5n) reaction at a beam energy of 96 MeV, were investigated using in-beam γ-ray spectroscopy techniques. The BC neutron crossing
in the yrast band, based on πg
7/2404]7/2+⊗νi
13/2642]5/2+ configuration, occurs at ħω= 0.31 MeV. The two side bands, based on πh
11/2514]9/2−⊗νi
13/2642]5/2+ and πh
9/2541]1/2−⊗νi
13/2642]5/2+ configurations, show anomalous signature-splitting and signature-inversion in the first one, to occur at ħω= 0.24 MeV. A
moderately delayed BC-crossing is anticipated in the second one.
Received: 15 June 1998 / Revised version: 11 January 1999 |
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| Keywords: | PACS: 27 70 +q 150 ≤ A ≤ 189 |
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