Can Flavor Physics Hint at Distinctive Signals for R-parity Violation at the LHC?

Abstract

Observation of some low-energy processes in the flavor physics regime may require the existence of supersymmetry with two relatively large R-parity-violating couplings of the LQD-type, together with reasonably light superparticles. At the LHC, such interactions would be expected to give rise to clear signals with convenient leptonic triggers, including some multileptons of the same sign. We undertake a detailed investigation of these signals taking care to correlate with low-energy requirements and taking proper account of the Standard Model backgrounds as well as the R-parity-conserving sector of the supersymmetric model. We find clear indications that R-parity violation as envisaged in this scenario can be detected at the LHC - even, perhaps, in the early runs.

35 pages, LaTeX2e, 10 eps figures; further clarifications, additional figures and references added, to appear in Phys Rev D

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• Indian Contributions to LHC Theory
• Study of semileptonic decays of D_{s} meson within R-parity violating supersymmetric model