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Zerwekh, Alfonso
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Nombre
Zerwekh, Alfonso
Campus / Sede
Campus Casa Central Valparaíso
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ORCID
Scopus Author ID
6602651080
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- PublicationOn the role of LHC and HL-LHC in constraining flavor changing neutral currents(2024-02-01)
;de Jesus, A. S. ;Kovalenko, S. ;de Melo, T. B. ;Neto, J. P. ;Oviedo-Torres, Y. M. ;Queiroz, F. S. ;Villamizar, Y. S.The Standard Model has no Flavor-Changing Neutral Current (FCNC) processes at the tree level. Therefore, processes featuring FCNC in new physics are tightly constrained by data. Typically, the lower bounds on the scale of new physics obtained from or mixing lie well above 10 TeV, surpassing the reach of current and future colliders. In this paper, we demonstrate, using a specific model that features flavor-changing interactions, that such limits can be severely weakened by specific choices of the quark mixing matrices with no prejudice while maintaining the CKM matrix in agreement with the data. We highlight the valuable role of the often-overlooked mixing in deriving robust FCNC limits and show that the LHC and HL-LHC are promising probes for flavor-changing interactions mediated by a boson.Scopus© Citations 1