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

Paul Langacker·Gil Paz·Lian-Tao Wang·Itay Yavin
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Abstract

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 $\sim \bigl(10^2-10^3\bigr)/\sin^2(2Δϕ)$ identified events, where $Δϕ$ is a certain combination of phases in the MSSM presented in the text.

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Paul Langacker, Gil Paz, Lian-Tao Wang, Itay Yavin. 2007-07-24. A T-odd observable sensitive to CP violating phases in squark decay. https://doi.org/10.1088/1126-6708%2F2007%2F07%2F055

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