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Title: Deformed shell model results for two-neutrino double-beta decay of 82Se
Authors: Sahu R.
Srivastava, Praveen Chandra
Kota V.K.B.
Published in: Canadian Journal of Physics
Abstract: The half-life for two-neutrino double-beta decay has been calculated for 82Se, within the framework of the deformed shell model (DSM) based on Hartree-Fock states employing a modified Kuo interaction in 2p 3/2, 1f5/2, 2p1/2, and 1g9/2 space with single particle energies (relative to a 56Ni core) for the four orbitals taken as 0.0, 0.78, 1.08, and 4.25 MeV, respectively. A reasonable description is obtained for the spectroscopic properties of yrast levels in 82Se, and similarly in the past 82Kr was studied successfully using DSM. The half-life calculated using DSM is ∼3.56×1020 a compared to the experimental value (0.92±0.07)×1020 a. We have also recalculated the half-life by including the 1f7/2 orbit in the preceding model space using the fpg interaction introduced by Sorlin et al. (Phys. Rev. Lett. 88, 092501 (2002)). The calculated half-life is 2.05×1019 a (0.58×1020 a if we include the quenching factor of 0.77). © 2011 Published by NRC Research Press.
Citation: Canadian Journal of Physics (2011), 89(11): 1101-1105
Issue Date: 2011
ISSN: 84204
Author Scopus IDs: 16203982200
Author Affiliations: Sahu, R., Physics Department, Berhampur University, Berhampur 760 007, India
Srivastava, P.C., Physical Research Laboratory, Ahmedabad 380 009, India
Kota, V.K.B., Physical Research Laboratory, Ahmedabad 380 009, India, Department of Physics, Laurentian University, Sudbury, ON P3E 2C6, Canada
Corresponding Author: Sahu, R.; Physics Department, Berhampur University, Berhampur 760 007, India; email:
Appears in Collections:Journal Publications [PH]

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