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Title: Complete vectorlike fourth family and new U ( 1 ) for muon anomalies

Abstract

We consider the Standard Model (SM) with the addition of a $$\mathrm{U(1)^\prime}$$ gauge symmetry and a complete fourth family of quarks and leptons which are vector-like with respect to the full $$\mathrm{SU(3)_C}\times \mathrm{SU(2)_L} \times \mathrm{U(1)_Y}\times \mathrm{U(1)^\prime}$$ gauge symmetry. The model provides a unified explanation of experimental anomalies in $$(g - 2)_\mu$$ as well as $$b \rightarrow s \ell^+ \ell^-$$ decays. We find good fits to the deviations from the SM, while at the same time fitting all other SM observables. The model includes a new $$Z^\prime$$ gauge boson, a $$\mathrm{U(1)^\prime}$$-breaking scalar, and vector-like leptons all with mass of order a few $100$ GeV. It is consistent with all currently released high energy experimental data, however, it appears imminently testable with well designed future searches. Also precision flavor experiments, especially more accurate direct determinations of CKM matrix elements, would allow to probe the best fit points.

Authors:
; ORCiD logo; ORCiD logo
Publication Date:
Research Org.:
The Ohio State Univ., Columbus, OH (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP)
OSTI Identifier:
1562564
Alternate Identifier(s):
OSTI ID: 1602472
Grant/Contract Number:  
SC0011726
Resource Type:
Published Article
Journal Name:
Physical Review D
Additional Journal Information:
Journal Name: Physical Review D Journal Volume: 100 Journal Issue: 5; Journal ID: ISSN 2470-0010
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Kawamura, Junichiro, Raby, Stuart, and Trautner, Andreas. Complete vectorlike fourth family and new U(1)′ for muon anomalies. United States: N. p., 2019. Web. doi:10.1103/PhysRevD.100.055030.
Kawamura, Junichiro, Raby, Stuart, & Trautner, Andreas. Complete vectorlike fourth family and new U(1)′ for muon anomalies. United States. doi:10.1103/PhysRevD.100.055030.
Kawamura, Junichiro, Raby, Stuart, and Trautner, Andreas. Sun . "Complete vectorlike fourth family and new U(1)′ for muon anomalies". United States. doi:10.1103/PhysRevD.100.055030.
@article{osti_1562564,
title = {Complete vectorlike fourth family and new U(1)′ for muon anomalies},
author = {Kawamura, Junichiro and Raby, Stuart and Trautner, Andreas},
abstractNote = {We consider the Standard Model (SM) with the addition of a $\mathrm{U(1)^\prime}$ gauge symmetry and a complete fourth family of quarks and leptons which are vector-like with respect to the full $\mathrm{SU(3)_C}\times \mathrm{SU(2)_L} \times \mathrm{U(1)_Y}\times \mathrm{U(1)^\prime}$ gauge symmetry. The model provides a unified explanation of experimental anomalies in $(g - 2)_\mu$ as well as $b \rightarrow s \ell^+ \ell^-$ decays. We find good fits to the deviations from the SM, while at the same time fitting all other SM observables. The model includes a new $Z^\prime$ gauge boson, a $\mathrm{U(1)^\prime}$-breaking scalar, and vector-like leptons all with mass of order a few $100$ GeV. It is consistent with all currently released high energy experimental data, however, it appears imminently testable with well designed future searches. Also precision flavor experiments, especially more accurate direct determinations of CKM matrix elements, would allow to probe the best fit points.},
doi = {10.1103/PhysRevD.100.055030},
journal = {Physical Review D},
number = 5,
volume = 100,
place = {United States},
year = {2019},
month = {9}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
DOI: 10.1103/PhysRevD.100.055030

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Cited by: 8 works
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