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Roig P. Semileptonic τ decays: powerful probes of non-standard charged current weak interactions. EPJ WEB OF CONFERENCES 2019. [DOI: 10.1051/epjconf/201921208002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
When looking for heavy (O(few TeV)) New Physics, the most efficient way to bene?t from both high and low-energy measurements simultaneously is the use of the Standard Model Effective Field Theory (SMEFT). In this talk I highlight the importance of semileptonic τ decays in complementing, in this respect, the traditional low-energy precision observables and high-energy measurements. This is yet another reason for considering hadronic tau decays as golden channels at Belle-II beyond the unquestionable interest of the CP violation anomaly in τ → KS πντ decays, that I also discuss within the effective theory. A couple of new results for τ−→ K− ντ decays are also included.
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López Castro G, López-Lozano L, Rosado A. Violation ofCPandTin semileptonic decays due to scalar interactions. Int J Clin Exp Med 2009. [DOI: 10.1103/physrevd.80.096004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Calderón G, Delepine D, Castro GL. Is there a paradox inCPasymmetries ofτ±→KL,Sπ±νdecays? Int J Clin Exp Med 2007. [DOI: 10.1103/physrevd.75.076001] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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