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SUMMARY:IFIC Seminar: Precision Standard Model calculations for BSM search
 es with the CKM unitarity tests
DTSTART;VALUE=DATE-TIME:20220412T100000Z
DTEND;VALUE=DATE-TIME:20220412T110000Z
DTSTAMP;VALUE=DATE-TIME:20260610T084026Z
UID:indico-event-6546@indico.ific.uv.es
DESCRIPTION:Unitarity of the Cabibbo-Kobayashi-Maskawa (CKM) quark mixing 
 matrix is one of the cornerstones of the Standard Model (SM)\, a rigorous
  mathematical expression of the universality of the weak interaction acros
 s quark and lepton sectors. Recent reanalysis of the SM radiative correct
 ions to beta decays of the free neutron\, nuclei and kaons led to an unexp
 ected 3-5 sigma deficit in the unitarity constraint on the top-row elemen
 ts of the CKM matrix. The recent developments in the theory of 1-loop SM 
 radiative corrections concern hadronic and nuclear contributions. The new 
 approach to nonperturbative QCD effects combines lattice QCD\, Regge theo
 ry\, effective field theory methods and modern nuclear theory computations
  with dispersion theory and allows for a robust error estimation. With the
 se improvements\, beta decays remain a sensitive tool for searches for ph
 ysics beyond the Standard Model.\n\nhttps://indico.ific.uv.es/event/6546/
LOCATION:Universe 1001-Primera-1-1-1 - Paterna. Seminario
URL:https://indico.ific.uv.es/event/6546/
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