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Title: Shape coexistence and high spin states in {sup 52}Cr

Abstract

High spin states in {sup 52}Cr have been populated by means of the reaction {sup 27}Al({sup 28}Si,3p){sup 52}Cr at a beam energy of 70 MeV and studied with an array, consisting of eight Compton-suppressed clover germanium detectors. Eleven new {gamma} rays have been assigned to {sup 52}Cr and placed in the level scheme. The level structure of {sup 52}Cr has been extended up to E{sub x}{approx_equal}10 MeV. Spins and parities have been assigned to many of the levels on the basis of directional correlations and linear polarization measurements. The band structures are discussed in the framework of cranked Woods-Saxon and deformed Hartree-Fock (HF) models. Both the oblate and prolate orbits are considered for J projection in the HF model. The K=0{sup +} band is properly understood if we consider the J projection from both prolate and oblate orbits and collectivity shown by the K=4{sup +} band to be accounted for by taking the J projection from prolate HF configurations. Thus there is prolate and oblate shape coexistence in {sup 52}Cr.

Authors:
; ; ; ; ; ; ; ; ; ; ; ; ;  [1]
  1. Department of Physics, Panjab University, Chandigarh 160014 (India)
Publication Date:
OSTI Identifier:
21064329
Resource Type:
Journal Article
Journal Name:
Physical Review. C, Nuclear Physics
Additional Journal Information:
Journal Volume: 76; Journal Issue: 3; Other Information: DOI: 10.1103/PhysRevC.76.034301; (c) 2007 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0556-2813
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; ALUMINIUM 27; ALUMINIUM 27 TARGET; ANGULAR CORRELATION; CHROMIUM 52; GAMMA RADIATION; GE SEMICONDUCTOR DETECTORS; HARTREE-FOCK METHOD; HIGH SPIN STATES; MEV RANGE; NUCLEAR STRUCTURE; PARITY; POLARIZATION; SILICON 28; SILICON 28 REACTIONS; SPIN; WOODS-SAXON POTENTIAL

Citation Formats

Kumar, Rajesh, Chamoli, S K, Govil, I M, Dhal, A, Sinha, R K, Chaturvedi, L, Naik, Z, Praharaj, C R, Muralithar, S, Singh, R P, Madhavan, N, Sugathan, P, Das, J J, Bhowmik, R K, Department of Physics, Banaras Hindu University, Banaras, Tata Institute of Fundamental Research, Mumbai 400005, Institute of Physics, Bhubaneshwar 751005, and Inter University Accelerator Centre, P. O. Box 10502, New Delhi 110067. Shape coexistence and high spin states in {sup 52}Cr. United States: N. p., 2007. Web. doi:10.1103/PHYSREVC.76.034301.
Kumar, Rajesh, Chamoli, S K, Govil, I M, Dhal, A, Sinha, R K, Chaturvedi, L, Naik, Z, Praharaj, C R, Muralithar, S, Singh, R P, Madhavan, N, Sugathan, P, Das, J J, Bhowmik, R K, Department of Physics, Banaras Hindu University, Banaras, Tata Institute of Fundamental Research, Mumbai 400005, Institute of Physics, Bhubaneshwar 751005, & Inter University Accelerator Centre, P. O. Box 10502, New Delhi 110067. Shape coexistence and high spin states in {sup 52}Cr. United States. https://doi.org/10.1103/PHYSREVC.76.034301
Kumar, Rajesh, Chamoli, S K, Govil, I M, Dhal, A, Sinha, R K, Chaturvedi, L, Naik, Z, Praharaj, C R, Muralithar, S, Singh, R P, Madhavan, N, Sugathan, P, Das, J J, Bhowmik, R K, Department of Physics, Banaras Hindu University, Banaras, Tata Institute of Fundamental Research, Mumbai 400005, Institute of Physics, Bhubaneshwar 751005, and Inter University Accelerator Centre, P. O. Box 10502, New Delhi 110067. 2007. "Shape coexistence and high spin states in {sup 52}Cr". United States. https://doi.org/10.1103/PHYSREVC.76.034301.
@article{osti_21064329,
title = {Shape coexistence and high spin states in {sup 52}Cr},
author = {Kumar, Rajesh and Chamoli, S K and Govil, I M and Dhal, A and Sinha, R K and Chaturvedi, L and Naik, Z and Praharaj, C R and Muralithar, S and Singh, R P and Madhavan, N and Sugathan, P and Das, J J and Bhowmik, R K and Department of Physics, Banaras Hindu University, Banaras and Tata Institute of Fundamental Research, Mumbai 400005 and Institute of Physics, Bhubaneshwar 751005 and Inter University Accelerator Centre, P. O. Box 10502, New Delhi 110067},
abstractNote = {High spin states in {sup 52}Cr have been populated by means of the reaction {sup 27}Al({sup 28}Si,3p){sup 52}Cr at a beam energy of 70 MeV and studied with an array, consisting of eight Compton-suppressed clover germanium detectors. Eleven new {gamma} rays have been assigned to {sup 52}Cr and placed in the level scheme. The level structure of {sup 52}Cr has been extended up to E{sub x}{approx_equal}10 MeV. Spins and parities have been assigned to many of the levels on the basis of directional correlations and linear polarization measurements. The band structures are discussed in the framework of cranked Woods-Saxon and deformed Hartree-Fock (HF) models. Both the oblate and prolate orbits are considered for J projection in the HF model. The K=0{sup +} band is properly understood if we consider the J projection from both prolate and oblate orbits and collectivity shown by the K=4{sup +} band to be accounted for by taking the J projection from prolate HF configurations. Thus there is prolate and oblate shape coexistence in {sup 52}Cr.},
doi = {10.1103/PHYSREVC.76.034301},
url = {https://www.osti.gov/biblio/21064329}, journal = {Physical Review. C, Nuclear Physics},
issn = {0556-2813},
number = 3,
volume = 76,
place = {United States},
year = {Sat Sep 15 00:00:00 EDT 2007},
month = {Sat Sep 15 00:00:00 EDT 2007}
}