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Unitarity Triangle global fits beyond the Standard Model: UTfit 2021 NP update

Flavour physics represents a unique test bench for the Standard Model (SM). New analyses performed at the LHC experiments are now providing unprecedented insights into CKM metrology and new evidences for rare decays. The CKM picture can provide very precise SM predictions through global analyses. We...

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Detalles Bibliográficos
Autores principales: Bona, Marcella, Ciuchini, Marco, Derkach, Denis, Ferrari, Fabio, Franco, Enrico, Lubicz, Vittorio, Martinelli, Guido, Pierini, Maurizio, Silvestrini, Luca, Tarantino, Cecilia, Vagnoni, Vincenzo, Valli, Mauro, Vittorio, Ludovico
Lenguaje:eng
Publicado: 2022
Materias:
Acceso en línea:https://dx.doi.org/10.22323/1.398.0500
http://cds.cern.ch/record/2827287
Descripción
Sumario:Flavour physics represents a unique test bench for the Standard Model (SM). New analyses performed at the LHC experiments are now providing unprecedented insights into CKM metrology and new evidences for rare decays. The CKM picture can provide very precise SM predictions through global analyses. We present here the results of the latest results from UTfit new physics analysis: the Unitarity Triangle (UT) analysis can be used to constrain the parameter space in possible new physics (NP) scenarios. All of the available experimental and theoretical information on $\Delta F=2$ processes is reinterpreted including a model-independent NP parametrisation. We determine the allowed NP contributions in the kaon, $D$, $B_d$, and $B_s$ sectors and, in various NP scenarios, we translate them into bounds for the NP scale as a function of NP couplings.