Constraints from nucleosynthesis and SN 1987A on Majoron-emitting double [beta] decay
Journal Article
·
· Physical Review, D (Particles Fields); (United States)
- Department of Physics and Center for Theoretical Physics, Seoul National University, Seoul 151-742 (Korea, Republic of)
- Department of Physics, Chonbug National University, Chonju 560-756 (Korea, Republic of)
We examine whether observable Majoron emission in double [beta] decay can be compatible with big-bang nucleosynthesis (NS) and the observed neutrino flux from SN 1987A. It is found that the NS upper bound on [sup 4]He abundance implies that the Majoron-neutrino Yukawa coupling constant [ital g][le]9[times]10[sup [minus]6] and its maximal value is allowed only when the scalar quartic coupling constant [lambda] is extremely small, [lambda][le]100[ital g][sup 2]. It is also observed that, although quite less restrictive, SN 1987A also provides independent constraints on coupling constants.
- OSTI ID:
- 5408474
- Journal Information:
- Physical Review, D (Particles Fields); (United States), Journal Name: Physical Review, D (Particles Fields); (United States) Vol. 49:1; ISSN PRVDAQ; ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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Primordial nucleosynthesis as a probe of particle physics and cosmology
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Wed Dec 31 23:00:00 EST 1986
·
OSTI ID:5667243
Related Subjects
662440* -- Properties of Other Particles Including Hypothetical Particles-- (1992-)
663210 -- Ground-State Radioactivity-- (1992-)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BETA DECAY
BETA-MINUS DECAY
BOSONS
COUPLING CONSTANTS
DECAY
DOUBLE BETA DECAY
ELEMENTARY PARTICLES
EMISSION
FERMIONS
GOLDSTONE BOSONS
LEPTON NUMBER
LEPTONS
MASSLESS PARTICLES
NEUTRINOS
NUCLEAR DECAY
NUCLEAR POTENTIAL
NUCLEOSYNTHESIS
POSTULATED PARTICLES
POTENTIALS
SYNTHESIS
VIOLATIONS
YUKAWA POTENTIAL
663210 -- Ground-State Radioactivity-- (1992-)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BETA DECAY
BETA-MINUS DECAY
BOSONS
COUPLING CONSTANTS
DECAY
DOUBLE BETA DECAY
ELEMENTARY PARTICLES
EMISSION
FERMIONS
GOLDSTONE BOSONS
LEPTON NUMBER
LEPTONS
MASSLESS PARTICLES
NEUTRINOS
NUCLEAR DECAY
NUCLEAR POTENTIAL
NUCLEOSYNTHESIS
POSTULATED PARTICLES
POTENTIALS
SYNTHESIS
VIOLATIONS
YUKAWA POTENTIAL