Correlating New Physics Effects in Semileptonic ∆C = 1 and ∆S = 1 Processes

Autor: Svjetlana Fajfer, Jernej F. Kamenik, Arman Korajac, Nejc Košnik
Jazyk: angličtina
Rok vydání: 2023
Předmět:
Zdroj: Journal of High Energy Physics, Vol 2023, Iss 7, Pp 1-29 (2023)
Druh dokumentu: article
ISSN: 1029-8479
DOI: 10.1007/JHEP07(2023)029
Popis: 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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