Proton decay in supersymmetric SU(4)c × SU(2)L × SU(2)R
- Aristotle Univ. of Thessaloniki (Greece)
- Quaid-i-Azam Univ., Islamabad (Pakistan)
- Univ. of Delaware, Newark, DE (United States)
We discuss proton decay in a recently proposed model of supersymmetric hybrid inflation based on the gauge symmetry SU(4)c × SU(2)L × SU(2)R. A U(1) R symmetry plays an essential role in realizing inflation as well as in eliminating some undesirable baryon number violating operators. Proton decay is primarily mediated by a variety of color triplets from chiral superfields, and it lies in the observable range for a range of intermediate scale masses for the triplets. The decay modes include p → e+(μ+) + π0, p→$$\bar{ν}$$+π+, p → K0 + e+(μ+), and p → K++$$\bar{ν}$$, with a lifetime estimate of order 1034–1036 yrs and accessible at Hyper-Kamiokande and future upgrades. The unification at the Grand Unified Theory (GUT) scale MGUT (~ 1016 GeV) of the Minimal Supersymmetric Standard Model (MSSM) gauge couplings is briefly discussed.
- Research Organization:
- Univ. of Delaware, Newark, DE (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC); Hellenic Foundation for Research and Innovation (H.F.R.I.)
- Grant/Contract Number:
- SC0013880
- OSTI ID:
- 1851849
- Alternate ID(s):
- OSTI ID: 1998040
- Journal Information:
- Journal of High Energy Physics (Online), Vol. 2020, Issue 10; ISSN 1029-8479
- Publisher:
- Springer NatureCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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