Bhattacharyya, Gautam ; Pal, Palash B. (2010) Reappraisal of spontaneous R-parity violation Physical Review D - Particles, Fields, Gravitation and Cosmology, 82 (5). Article ID 055013. ISSN 1550-7998
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Official URL: http://journals.aps.org/prd/abstract/10.1103/PhysR...
Related URL: http://dx.doi.org/10.1103/PhysRevD.82.055013
Abstract
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.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to The American Physical Society. |
| ID Code: | 99994 |
| Deposited On: | 08 Nov 2016 11:03 |
| Last Modified: | 08 Nov 2016 11:03 |
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