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Title: Electric dipole moments in a leptoquark scenario for the B-physics anomalies

Abstract

Vector leptoquarks can address the lepton flavor universality anomalies in decays associated with the b → cℓν and b → sℓℓ transitions, as observed in recent years. While not required to explain the anomalies, these leptoquarks generically yield new sources of CP violation. In this paper, we explore constraints and discovery potential for electric dipole moments (EDMs) in leptonic and hadronic systems. We provide the most generic expressions for dipole moments induced by vector leptoquarks at one loop. We find that O(1) CP-violating phases in tau and muon couplings can lead to corresponding EDMs within reach of next-generation EDM experiments, and that existing bounds on the electron EDM already put stringent constraints on CP-violating electron couplings.

Authors:
ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [2]
  1. Univ. of California, Santa Cruz, CA (United States). Santa Cruz Institute for Particle Physics
  2. Univ. of California, Santa Cruz, CA (United States). Santa Cruz Institute for Particle Physics; Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Publication Date:
Research Org.:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP)
OSTI Identifier:
1638680
Report Number(s):
arXiv:2002.01400; FERMILAB-PUB-20-316-SCD
Journal ID: ISSN 1029-8479; oai:inspirehep.net:1778538
Grant/Contract Number:  
AC02-07CH11359
Resource Type:
Accepted Manuscript
Journal Name:
Journal of High Energy Physics (Online)
Additional Journal Information:
Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2020; Journal Issue: 5; Journal ID: ISSN 1029-8479
Publisher:
Springer Berlin
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Altmannshofer, Wolfgang, Gori, Stefania, Patel, Hiren H., Profumo, Stefano, and Tuckler, Douglas. Electric dipole moments in a leptoquark scenario for the B-physics anomalies. United States: N. p., 2020. Web. https://doi.org/10.1007/jhep05(2020)069.
Altmannshofer, Wolfgang, Gori, Stefania, Patel, Hiren H., Profumo, Stefano, & Tuckler, Douglas. Electric dipole moments in a leptoquark scenario for the B-physics anomalies. United States. https://doi.org/10.1007/jhep05(2020)069
Altmannshofer, Wolfgang, Gori, Stefania, Patel, Hiren H., Profumo, Stefano, and Tuckler, Douglas. Thu . "Electric dipole moments in a leptoquark scenario for the B-physics anomalies". United States. https://doi.org/10.1007/jhep05(2020)069. https://www.osti.gov/servlets/purl/1638680.
@article{osti_1638680,
title = {Electric dipole moments in a leptoquark scenario for the B-physics anomalies},
author = {Altmannshofer, Wolfgang and Gori, Stefania and Patel, Hiren H. and Profumo, Stefano and Tuckler, Douglas},
abstractNote = {Vector leptoquarks can address the lepton flavor universality anomalies in decays associated with the b → cℓν and b → sℓℓ transitions, as observed in recent years. While not required to explain the anomalies, these leptoquarks generically yield new sources of CP violation. In this paper, we explore constraints and discovery potential for electric dipole moments (EDMs) in leptonic and hadronic systems. We provide the most generic expressions for dipole moments induced by vector leptoquarks at one loop. We find that O(1) CP-violating phases in tau and muon couplings can lead to corresponding EDMs within reach of next-generation EDM experiments, and that existing bounds on the electron EDM already put stringent constraints on CP-violating electron couplings.},
doi = {10.1007/jhep05(2020)069},
journal = {Journal of High Energy Physics (Online)},
number = 5,
volume = 2020,
place = {United States},
year = {2020},
month = {5}
}

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