Statistical comparison of quark mass matrices in the physical basis

DOI10.1142/S0217751X12500261zbMATH Open1247.81651arXiv1304.1190OpenAlexW3104420989MaRDI QIDQ2919173

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Publication date: 2 October 2012

Published in: (Search for Journal in Brave)

Abstract: Using the four best measured moduli of the flavor mixing matrix ($|V_{mud}|$, $|V_{mus}|$, $|V_{mcd}|$, $|V_{mcs}|$), the Jarlskog invariant $J(V)$, and the quark masses at $M_Z$ energy scale as experimental constraints, a statistical comparison of three different types of quark mass matrices in the physical basis is performed. The mass matrices in question are the Chaturvedi-Gupta-S'anchez-Col'on (CGS), the Fritzsch and the Gupta-Rajpoot types. With nine parameters the best fits are obtained using a Gupta-Rajpoot type matrix while with seven parameters the best fits are obtained using the CGS type matrix. The stability of our analysis with respect to evolution of the quark masses is also presented.

Full work available at URL: https://arxiv.org/abs/1304.1190

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