Mass Measurement of the Decaying Bino at the LHC

Details Mass Measurement of the Decaying Bino at the LHC Mass Measurement of the Decaying Bino at the LHC

2008-07-31

arxiv.org/abs/0807.4987v1

Phys.Lett.B672:339-343,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, 3 figures, 1 table

Scientific paper

10.1016/j.physletb.2009.01.045

In some class of supersymmetric (SUSY) models, the neutral Wino becomes the lightest superparticle and the Bino decays into the Wino and standard-model particles. In such models, we show that the measurement of the Bino mass is possible if the short charged tracks (with the length of O(10 cm)) can be identified as a signal of the charged-Wino production. We pay particular attention to the anomaly-mediated SUSY-breaking (AMSB) model with a generic form of K\"ahler potential, in which only the gauginos are kinematically accessible superparticles to the LHC, and discuss the implication of the Bino mass measurement for the test of the AMSB model.

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