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Title: The photophobic ALP

Abstract

We investigate models and phenomenology of a photophobic axion-like particle (ALP), an axion whose coupling to photons is maximally suppressed without fine-tuning of the underlying parameters. We demonstrate that photophobia can be a natural UV property of ALP models and determine the irreducible coupling of photophobic ALPs to photons induced by violations of the axion shift symmetry. The signatures of photophobic axions are radically different from those of typical ALPs and are of particular interest for collider-based experiments, for which Standard Model triboson measurements provide a significant probe at higher masses. A variety of terrestrial and astrophysical measurements constrain the parameter space of photophobic ALPs, though bounds are typically much weaker compared to typical ALPs. We propose implications for particle production relaxion models based on photophobic ALPs, finding that they are in mild tension with existing experimental constraints.

Authors:
 [1];  [2];  [1]
  1. Univ. of California, Santa Barbara, CA (United States)
  2. Univ. of Maryland, College Park, MD (United States)
Publication Date:
Research Org.:
Univ. of California, Santa Barbara, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
OSTI Identifier:
1512440
Grant/Contract Number:  
[SC0014129]
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: 2018; Journal Issue: 9]; Journal ID: ISSN 1029-8479
Publisher:
Springer Berlin
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Beyond Standard Model; CP violation; Hadron-Hadron scattering (experiments); Lifetime

Citation Formats

Craig, Nathaniel, Hook, Anson, and Kasko, Skyler. The photophobic ALP. United States: N. p., 2018. Web. doi:10.1007/jhep09(2018)028.
Craig, Nathaniel, Hook, Anson, & Kasko, Skyler. The photophobic ALP. United States. doi:10.1007/jhep09(2018)028.
Craig, Nathaniel, Hook, Anson, and Kasko, Skyler. Sat . "The photophobic ALP". United States. doi:10.1007/jhep09(2018)028. https://www.osti.gov/servlets/purl/1512440.
@article{osti_1512440,
title = {The photophobic ALP},
author = {Craig, Nathaniel and Hook, Anson and Kasko, Skyler},
abstractNote = {We investigate models and phenomenology of a photophobic axion-like particle (ALP), an axion whose coupling to photons is maximally suppressed without fine-tuning of the underlying parameters. We demonstrate that photophobia can be a natural UV property of ALP models and determine the irreducible coupling of photophobic ALPs to photons induced by violations of the axion shift symmetry. The signatures of photophobic axions are radically different from those of typical ALPs and are of particular interest for collider-based experiments, for which Standard Model triboson measurements provide a significant probe at higher masses. A variety of terrestrial and astrophysical measurements constrain the parameter space of photophobic ALPs, though bounds are typically much weaker compared to typical ALPs. We propose implications for particle production relaxion models based on photophobic ALPs, finding that they are in mild tension with existing experimental constraints.},
doi = {10.1007/jhep09(2018)028},
journal = {Journal of High Energy Physics (Online)},
number = [9],
volume = [2018],
place = {United States},
year = {2018},
month = {9}
}

Journal Article:
Free Publicly Available Full Text
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Cited by: 11 works
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    journal, July 2019