A T-odd observable sensitive to CP violating phases in squark decay

Details A T-odd observable sensitive to CP violating phases in squark decay A T-odd observable sensitive to CP violating phases in squark decay

2007-02-06

arxiv.org/abs/hep-ph/0702068v3

JHEP0707:055,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

Several references added

Scientific paper

10.1088/1126-6708/2007/07/055

We present a new observable sensitive to a certain combination of CP violating phases in supersymmetric extensions of the Standard Model, viz. a triple product of momenta in the cascade decay of a heavy squark via an on-shell neutralino and off-shell slepton. We investigate the regions of parameter space in which the signal is strong enough to be detectable at the LHC with $\sim \bigl(10^2-10^3\bigr)/\sin^2(2\Delta\phi)$ identified events, where $\Delta\phi$ is a certain combination of phases in the MSSM presented in the text.

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