Dortmund 2021 – scientific programme

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T: Fachverband Teilchenphysik

T 6: Flavour physics I

T 6.1: Talk

Monday, March 15, 2021, 16:00–16:15, Tf

Lepton universality and lepton flavor conservation tests with dineutrino modes — •Hector Gisbert, Rigo Bause, Marcel Golz, and Gudrun Hiller — TU Dortmund

SU(2)_L-invariance links charged dilepton q q^′ ℓ ℓ and dineutrino q q^′ ν ν couplings. This connection can be established using SMEFT and holds model-independently if only SM-like left-handed light neutrinos are present. It allows to perform complementary experimental tests of lepton universality and charged lepton flavor conservation with flavor-summed dineutrino observables. The phenomenological implications of this novel idea will be discussed in detail.