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Double-beta decay to excited 0+ states: Decay of 100Mo

Griffiths, A. and Vogel, P. (1992) Double-beta decay to excited 0+ states: Decay of 100Mo. Physical Review C, 46 (1). pp. 181-187. ISSN 0556-2813. doi:10.1103/PhysRevC.46.181.

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We develop a formalism for describing the 2ν mode of double-beta decay to an excited final state in the quasiparticle random phase approximation (QRPA). With this, we deduce the half-lives for the 100Mo double-beta decays to both the ground and 1130 keV excited 0+ states in 100Ru. We predict the matrix elements of these two transitions to be of a similar magnitude. We also calculate the strengths of the associated single-beta decays from the ground state of the intermediate nucleus, 100Tc, and compare them with experiment. We find that the QRPA cannot simultaneously reproduce all of the experimental quantities, and, in particular, the single-beta transition between the initial and intermediate nuclei is overestimated by the theory. In addition, we demonstrate that the influence of the particle-particle force is an important factor in the calculation of both β- and β+ transition strengths.

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Vogel, P.0000-0003-0587-5466
Additional Information:©1992 The American Physical Society Received 14 February 1992 This work was supported by the U.S. Department of Energy under Contract No. DE-F603-88ER-40397.
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Record Number:CaltechAUTHORS:GRIprc92
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:5973
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Deposited On:10 Nov 2006
Last Modified:08 Nov 2021 20:30

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