B-physics constraints on baryon number violating couplings: grand unification or R-parity violation
Debrupa Chakraverty, Debajyoti Choudhury
Abstract
We investigate the role that baryon number violating interactions may play in B phenomenology. Present in various grand unified theories, supersymmetric theories with R-parity violation and composite models, a diquark state could be quite light. Using the data on B decays as well as B - B mixing, we find strong constraints on the couplings that such a light diquark state may have with the Standard Model quarks.
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