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CP Violation in Lambda to p π^- Beyond the Standard Model

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arxiv hep-ph/9508411 v1 pith:W3V2HZQD submitted 1995-08-31 hep-ph

CP Violation in Lambda to p π^- Beyond the Standard Model

classification hep-ph
keywords lambdamodelstandardviolationasymmetrybeyondlevelminimal
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The $\cp$ violating asymmetry $A(\Lambda^0_-)$ has been estimated to occur at the level of a few times $10^{-5}$ within the minimal standard model. The experiment E871 expects to reach a sensitivity of $10^{-4}$ to the asymmetry $A(\Lambda^0_-)+A(\Xi^-_-)$. In this paper we study some of the implications of such a measurement for $\cp$ violation beyond the minimal standard model. We find that it is possible to have $A(\Lambda^0_-)$ at the few times $10^{-4}$ level while satisfying the constraints imposed by the measurements of $\cp$ violation in kaon decays.

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Cited by 1 Pith paper

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  1. CP violation in $\Sigma^+\to p\ell^+\ell^-$ within the standard model and beyond

    hep-ph 2026-04 unverdicted novelty 5.0

    The CP-violating decay-rate asymmetry in Σ⁺→pℓ⁺ℓ⁻ is allowed to reach tens of percent and is testable at LHCb.