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Correlating New Physics Effects in Semileptonic $\Delta C = 1$ and $\Delta S = 1$ Processes

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arxiv 2305.13851 v1 pith:ZKR5SVTA submitted 2023-05-23 hep-ph

classification hep-ph
keywords constraintsdecaydecaysdeltaeffectsphysicssemileptonicbeta
verification ladder T0 review T1 audit T2 compute T3 formal

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abstract

We present constraints on the left-handed dimension-6 interactions that contribute to semileptonic and leptonic decays of $K$, $D$, pions and to nuclear beta decay. We employ the flavour covariant description of the effective couplings, identify universal CP phases of New Physics and derive constraints from decay rates and CP-odd quantities. As a result, we can predict the maximal effects of such flavoured NP in $D$ decays from stringent $K$ decay constraints and vice-versa.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Observation of the $K^{+}\rightarrow\pi^{+}\nu\bar{\nu}$ decay and measurement of its branching ratio

    hep-ex 2024-12 conditional novelty 6.0 of 10

    NA62 observes K+ -> pi+ nu nu-bar with 5 sigma significance and measures B = (13.0+3.3-3.0) x 10^-11, the smallest branching ratio measured above 5 sigma.

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