Hermitian quark mass matrices with four texture zeros
- 9 August 2000
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 62 (5) , 053014
- https://doi.org/10.1103/physrevd.62.053014
Abstract
We provide a complete and systematic analysis of Hermitian, hierarchical quark mass matrices with four texture zeros. Using triangular mass matrices, each pattern of texture zeros is readily shown to lead to a definite relation between the CKM parameters and the quark masses. Nineteen pairs are found to be consistent with present data, and one other is marginally acceptable. In particular, no parallel structure between the up and down mass matrices is found to be favorable with data.Keywords
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