Axion-Mediated Forces, $CP$ Violation, and Left-Right Interactions

Open Access

Axion-Mediated Forces, $C P$ Violation, and Left-Right Interactions

Stefano Bertolini, Luca Di Luzio, and Fabrizio Nesti

Phys. Rev. Lett. 126, 081801 – Published 22 February 2021

Abstract

We compute the $C P$ -violating scalar axion coupling to nucleons in the framework of baryon chiral perturbation theory and we apply the results to the case of left-right symmetry. The correlated constraints with other $C P$ -violating observables show that the predicted axion nucleon coupling is within the reach of present axion-mediated force experiments for $M_{W_{R}}$ up to 1000 TeV.

Received 29 June 2020
Revised 25 September 2020
Accepted 27 January 2021

DOI:https://doi.org/10.1103/PhysRevLett.126.081801

Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP³.

Published by the American Physical Society

Physics Subject Headings (PhySH)

Chiral perturbation theory Extensions of gauge sector

Axions

CP violation

Particles & Fields

Authors & Affiliations

Stefano Bertolini ^1,*, Luca Di Luzio ^2,†, and Fabrizio Nesti ^3,4,‡

¹INFN, Sezione di Trieste, SISSA, Via Bonomea 265, 34136 Trieste, Italy
²Deutsches Elektronen-Synchrotron DESY, Notkestraße 85, D-22607 Hamburg, Germany
³Dipartimento di Scienze Fisiche e Chimiche, Università dell’Aquila, via Vetoio, I-67100, L’Aquila, Italy
⁴INFN, Laboratori Nazionali del Gran Sasso, I-67100 Assergi (AQ), Italy