Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2009-02-12
J.Phys.Conf.Ser.171:012092,2009
Physics
High Energy Physics
High Energy Physics - Phenomenology
10 pages, 2 figures, 2 tables. To appear in the proceedings of Symposium on Prospects in the Physics of Discrete Symmetries (D
Scientific paper
10.1088/1742-6596/171/1/012092
When the mass difference between the lightest slepton and the lightest neutralino is smaller than the tau mass, the lifetime of the lightest slepton in the constrained Minimal Supersymmetric Standard Model (MSSM) increases in many orders of magnitude with respect to typical lifetimes of other supersymmetric particles. In a general MSSM, the lifetime of the lightest slepton is inversely proportional to the square of the intergenerational mixing in the slepton mass matrices. Such a long-lived slepton would produce a distinctive signature at LHC and a measurement of its lifetime would be relatively simple. Therefore, the long-lived slepton scenario offers an excellent opportunity to study lepton flavour violation at ATLAS and CMS detectors in the LHC and an improvement of the leptonic mass insertion bounds by more than five orders of magnitude would be possible.
Kaneko Satoru
Sato Joe
Shimomura Takashi
Vives Oscar
Yamanaka Masato
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