publication . Article . Other literature type . Preprint . 2017

Flavourful Z ' models for {R}_{K^{(\ast )}}

Stephen F. King;
Open Access English
  • Published: 07 Aug 2017
  • Publisher: Springer/SISSA
  • Country: United Kingdom
Abstract
We show how any flavour conserving $Z'$ model can be made flavour violating and non-universal by introducing mass mixing of quarks and leptons with a fourth family of vector-like fermions with non-universal $Z'$ couplings. After developing a general formalism, we focus on two concrete examples, namely a fermiophobic model, and an $SO(10)$ GUT model, and show how they can account for the anomalous $B$ decay ratios $R_K$ and $R_{K^*}$. A similar analysis could be performed for $B-L$ models, $E_6$ models, composite models, and so on.
Subjects
arXiv: High Energy Physics::PhenomenologyHigh Energy Physics::ExperimentHigh Energy Physics::Lattice
free text keywords: High Energy Physics - Phenomenology, Beyond Standard Model, GUT, Heavy Quark Physics, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798, Mathematical physics, Physics, Gauge symmetry
Funded by
RCUK| Exploring the limits of the standard model and beyond
Project
  • Funder: Research Council UK (RCUK)
  • Project Code: ST/L000296/1
  • Funding stream: STFC
,
EC| ELUSIVES
Project
ELUSIVES
The Elusives Enterprise: Asymmetries of the Invisible Universe
  • Funder: European Commission (EC)
  • Project Code: 674896
  • Funding stream: H2020 | MSCA-ITN-ETN
,
EC| InvisiblesPlus
Project
InvisiblesPlus
InvisiblesPlus
  • Funder: European Commission (EC)
  • Project Code: 690575
  • Funding stream: H2020 | MSCA-RISE

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