THE DETERMINATION OF Vud AND A TEST OF THE UNITARITY OF THE QUARK MIXING MATRIX
- 10 July 1990
- journal article
- Published by World Scientific Pub Co Pte Ltd in Modern Physics Letters A
- Vol. 5 (16) , 1273-1278
- https://doi.org/10.1142/s021773239000144x
Abstract
The significant violation of unitarity implied by recently published results for the elements Vud, Vus and Vub of the first row of the quark mixing matrix is considered. A possible way out of the difficulty is described, which gives a different value of |Vud|. It involves close scrutiny of the calculated values of the nuclear isospin breaking correction δc to the ft values for superallowed β decays.Keywords
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