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

Journal Article · Wed Jul 01 00:00:00 EDT 1992 · Physical Review, C (Nuclear Physics); (United States)

DOI:https://doi.org/10.1103/PhysRevC.46.181· OSTI ID:7301419

Griffiths, A; Vogel, P ^[1]

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1. California Institute of Technology 161-33, Pasadena, California 91125 (United States)

We develop a formalism for describing the 2{nu} 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 {sup 100}Mo double-beta decays to both the ground and 1130 keV excited 0{sup +} states in {sup 100}Ru. 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, {sup 100}Tc, 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 {beta}{sup {minus}} and {beta}{sup +} transition strengths.

• DOE Contract Number: FG03-88ER40397
• OSTI ID: 7301419
• Journal Information: Physical Review, C (Nuclear Physics); (United States), Vol. 46:1; ISSN 0556-2813
• Country of Publication: United States
• Language: English

Related Subjects

73 NUCLEAR PHYSICS AND RADIATION PHYSICS
MOLYBDENUM 100
DOUBLE BETA DECAY
MATRIX ELEMENTS
NEUTRINOS
QUASI PARTICLES
RANDOM PHASE APPROXIMATION
WEAK INTERACTIONS
BASIC INTERACTIONS
BETA DECAY
BETA-MINUS DECAY
DECAY
ELEMENTARY PARTICLES
EVEN-EVEN NUCLEI
FERMIONS
INTERACTIONS
INTERMEDIATE MASS NUCLEI
ISOTOPES
LEPTONS
MASSLESS PARTICLES
MOLYBDENUM ISOTOPES
NUCLEAR DECAY
NUCLEI
STABLE ISOTOPES
663210* - Ground-State Radioactivity- (1992-)
663560 - Nuclear Mass Ranges- A=90-149- (1992-)