$t\to cV$ via SUSY FCNC couplings in the unconstrained MSSM

Details $t\to cV$ via SUSY FCNC couplings in the unconstrained MSSM $t\to cV$ via SUSY FCNC couplings in the unconstrained MSSM

2004-06-15

arxiv.org/abs/hep-ph/0406155v3

Phys.Lett.B599:92-101,2004

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages, 3 figures, minor changs in the Table 1

Scientific paper

10.1016/j.physletb.2004.07.062

We recalculate the branching ratios for $t\to cV$ ($V=g,\gamma,Z$) induced by SUSY FCNC couplings within the general unconstrained MSSM framework using mass eigenstate approach. Our results show that the branching ratios for these decays are larger than ones reported in previous literatures in the MSSM with R-parity conservation, and they can reach $\sim 10^{-4}$, $\sim 10^{-6}$, and $\sim 10^{-6}$, respectively, for favorable parameter values allowed by current precise experiments. Thus, the branching ratios for $t\to cg$ and $t\to c\gamma$ may be measurable at the LHC.

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