RK* $$ {R}_{K^{\left(*\right)}} $$ and the origin of Yukawa couplings
Abstract We explore the possibility that the semi-leptonic B decay ratios RK* $$ {R}_{K^{\left(*\right)}} $$ which violate μ − e universality are related to the origin of the fermion Yukawa couplings in the Standard Model. Some time ago, a vector-like fourth family (without a Z′) was used to generat...
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| Format: | Article |
| Language: | English |
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SpringerOpen
2018-09-01
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| Series: | Journal of High Energy Physics |
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| Online Access: | http://link.springer.com/article/10.1007/JHEP09(2018)069 |