Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 11, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP11(2018)100
Keywords
Beyond Standard Model; Quark Masses and SM Parameters
Categories
Funding
- Fundacao para a Ciencia e a Tecnologia (FCT) [IF/00816/2015]
- Fundacao para a Ciencia e a Tecnologia (FCT, Portugal) through project CFTP-FCT Unit 777 through POCTI (FEDER) [UID/FIS/00777/2013]
- Fundacao para a Ciencia e a Tecnologia (FCT, Portugal) through POCTI (FEDER) [CERN/FIS-PAR/0004/2017, PTDC/FIS-PAR/29436/2017]
- COMPETE
- QREN
- EU
- STFC [ST/L000296/1]
- European Union [674896, 690575]
- STFC [ST/P000711/1] Funding Source: UKRI
- Fundação para a Ciência e a Tecnologia [PTDC/FIS-PAR/29436/2017, CERN/FIS-PAR/0004/2017] Funding Source: FCT
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We construct a model where the Yukawa couplings of the Standard Model (SM) fermions arise from the breaking of a Z(2) symmetry and through mixing with a fourth family of vector-like fermions. By adding a scalar leptoquark, which is an electroweak triplet and odd under the Z(2) symmetry, we obtain an explanation for R-K(*) that is linked to the origin of the Yukawa couplings. The coupling of SM fermions to the leptoquark is mediated by the fourth family fermions, and is predicted to be related to CKM entries and mass ratios of SM fermions.
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