Rotational structures in 123Cs |
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| Authors: | Kuljeet Singh Z Naik R Kumar J Goswamy D Mehta N Singh C R Praharaj E S Paul K P Singh R P Singh S Muralithar N Madhavan J J Das S Nath A Jhingan P Sugathan R K Bhowmik |
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| Institution: | (1) Department of Physics, Panjab University, 160 014 Chandigarh, India;(2) Institute of Physics, 751 005 Bhubaneswar, India;(3) Oliver Lodge Laboratory, University of Liverpool, L69 7ZE Liverpool, UK;(4) Nuclear Science Centre, Aruna Asaf Ali Marg, 110 067 New Delhi, India |
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| Abstract: | High-spin states in 123Cs, populated via the 100Mo ( 28Si, p4n) fusion-evaporation reaction at E
lab = 130 MeV, have been investigated employing in-beam γ-ray spectroscopic techniques. Rotational bands, built on πg
7/2, πg
9/2 and the unique-parity πh
11/2 orbitals, have been extended and evolve into bands involving rotationally aligned ν(h
11/2)2 and π(h
11/2)2 quasiparticles. A three-quasiparticle band based on the high-K πh
11/2 ⊗ νg
7/2 ⊗ νh
11/2 configuration has also been observed. Total Routhian Surface (TRS) calculations have been used to predict the nuclear shape
parameters ( β2, β4, γ) for the various assigned configurations. The assigned configurations have been discussed in the framework of a microscopic
theory based on the deformed Hartree-Fock (HF) and angular-momentum projection techniques. |
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| Keywords: | 21 10 Re Collective levels 23 20 Lv γ transitions and level energies 21 60 -n Nuclear structure models and methods 27 60 +j 90 ⩽ A ⩽ 149 |
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