Constraining new physics with a novel measurement of the ${}^{23}$Ne $\beta$-decay branching ratio

Yonatan Mishnayot, Ayala Glick-Magid, Hitesh Rahangdale +20

Measurements of the beta-neutrino correlation coefficient (a${}_{\beta \nu }$) in nuclear beta decay, together with the Fierz interference term (b${}_F$), provide a robust test for the existen…