Reappraisal of spontaneous R-parity violation

Journal Article · Wed Sep 01 04:00:00 EDT 2010 · Physical Review. D, Particles Fields

DOI:https://doi.org/10.1103/PHYSREVD.82.055013· OSTI ID:21421064

Bhattacharyya, Gautam; Pal, Palash B ^[1]

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1. Saha Institute of Nuclear Physics, 1/AF Bidhan Nagar, Kolkata 700064 (India)

In this short reappraisal of spontaneous lepton number violation in a supersymmetric scenario implemented through singlet sneutrino vacuum expectation value (VEV), we contribute two new things in the context where the lepton number symmetry is global: (i) provide explicit expressions of R-parity violating couplings in terms of the neutrino Yukawa couplings and the singlet sneutrino VEV, and (ii) estimate the limit on this VEV using the current knowledge of the light neutrino mass and the astrophysical constraint on the Majoron-electron coupling. Besides, we put updated constraints on the VEV and Yukawa coupling of the singlet superfield when the lepton number is gauged.

• OSTI ID: 21421064
• Journal Information: Physical Review. D, Particles Fields, Journal Name: Physical Review. D, Particles Fields Journal Issue: 5 Vol. 82; ISSN PRVDAQ; ISSN 0556-2821
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ASTROPHYSICS
COUPLING
ELECTRONS
ELEMENTARY PARTICLES
EXPECTATION VALUE
FERMIONS
GAUGE INVARIANCE
INVARIANCE PRINCIPLES
LEPTON NUMBER
LEPTONS
MAJORANA THEORY
MASS
MASSLESS PARTICLES
NEUTRINOS
NUCLEAR POTENTIAL
PARITY
PARTICLE PROPERTIES
PHYSICS
POSTULATED PARTICLES
POTENTIALS
SPARTICLES
SUPERSYMMETRY
SYMMETRY
YUKAWA POTENTIAL