Limit on neutrinoless double-beta decay with majoron emission in /sup 82/Se

Journal Article · Mon Oct 12 04:00:00 EDT 1987 · Phys. Rev. Lett.; (United States)

DOI:https://doi.org/10.1103/PhysRevLett.59.1649· OSTI ID:5918808

Elliott, S R; Hahn, A A; Moe, M K

The University of California, Irvine /sup 82/Se double-beta-decay experiment has now accumulated 7960 h of live time. After imposition of kinematic cuts, thirteen candidate events remain in the sum-energy window between 2.0 and 3.0 MeV. If these are interpreted as neutrinoless double-beta decay with the emission of a Goldstone boson (known as the Majoron), we obtain a half-life limit of 4.4 x 10/sup 20/ yr (90% confidence level). This gives, dependent upon the various calculations of the nuclear matrix elements, a limit of the majoron coupling constant g/sub e//sub e/less than or equal to(2--30) x 10/sup -4/. .AE

• Research Organization: Physics Department, University of California, Irvine, Irvine, California 92717
• OSTI ID: 5918808
• Journal Information: Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 59:15; ISSN PRLTA
• Country of Publication: United States
• Language: English

Related Subjects

651620* -- Nuclear Properties & Reactions
A=59-89
Experimental
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BARYON NUMBER
BETA DECAY
BETA-MINUS DECAY
BOSONS
COUPLING CONSTANTS
DECAY
DOUBLE BETA DECAY
ELASTIC SCATTERING
ELEMENTARY PARTICLES
EMISSION
ENERGY SPECTRA
EVEN-EVEN NUCLEI
GAS TRACK DETECTORS
GOLDSTONE BOSONS
HALF-LIFE
INTERMEDIATE MASS NUCLEI
ISOTOPES
LEPTON NUMBER
MATRIX ELEMENTS
MEASURING INSTRUMENTS
MOELLER SCATTERING
NUCLEI
POSTULATED PARTICLES
PROJECTION SPARK CHAMBERS
RADIATION DETECTORS
SCATTERING
SELENIUM 82
SELENIUM ISOTOPES
SPARK CHAMBERS
SPECTRA
STABLE ISOTOPES