Slepton Oscillation at Large Hadron Collider

Abstract

Measurement of Lepton-Flavor Violation (LFV) in the minimal SUSY Standard Model (MSSM) at Large Hadron Collider (LHC) is studied based on a realistic simulation. We consider the LFV decay of the second-lightest neutralino, ${\tilde{\chi }}_2^0\to \tilde{l}{l}^{\prime }\to l{l}^{\prime }{\tilde{\chi }}_1^0$, in the case where the flavor mixing exists in the right-handed sleptons. We scan the parameter space of the minimal supergravity model (MSUGRA) and a more generic model in which we take the Higgsino mass $\mu$ as a free parameter. We find that the possibility of observing LFV at LHC is higher if $\mu$ is smaller than the MSUGRA prediction; the LFV search at LHC can cover the parameter range where the $\mu \to e\gamma$ decay can be suppressed by the cancellation among the diagrams for this case.

29 pages, 10 figures

References in corpus (1)

• CP Violation in the Minimal Supersymmetric Seesaw Model

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