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Title: The photo-philic QCD axion

Here, we propose a framework in which the QCD axion has an exponentially large coupling to photons, relying on the “clockwork” mechanism. We discuss the impact of present and future axion experiments on the parameter space of the model. In addition to the axion, the model predicts a large number of pseudoscalars which can be light and observable at the LHC. In the most favorable scenario, axion Dark Matter will give a signal in multiple axion detection experiments and the pseudo-scalars will be discovered at the LHC, allowing us to determine most of the parameters of the model.
Authors:
 [1] ;  [2] ;  [3] ;  [4]
  1. Rutgers Univ., Piscataway, NJ (United States)
  2. New York Univ., New York, NY (United States)
  3. New York Univ., New York, NY (United States); Univ. of Heidelberg, Heidelberg (Germany)
  4. Univ. of Chicago, Chicago, IL (United States)
Publication Date:
Grant/Contract Number:
SC0010008
Type:
Accepted Manuscript
Journal Name:
Journal of High Energy Physics (Online)
Additional Journal Information:
Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2017; Journal Issue: 1; Journal ID: ISSN 1029-8479
Publisher:
Springer Berlin
Research Org:
Rutgers Univ., Piscataway, NJ (United States)
Sponsoring Org:
USDOE Office of Science (SC)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; beyond standard model; CP violation
OSTI Identifier:
1366744