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Dark matter through the axion portal
Open accessAbstract
Motivated by the galactic positron excess seen by PAMELA and ATIC/PPB-BETS, we propose that dark matter is a TeV-scale particle that annihilates into a pseudoscalar ``axion.'' The positron excess and the absence of an antiproton or gamma ray excess constrain the axion mass and branching ratios. In the simplest realization, the axion is associated with a Peccei-Quinn symmetry, in which case it has a mass around 360--800 MeV and decays into muons. We present a simple and predictive supersymmetric model implementing this scenario, where both the Higgsino and dark matter obtain masses from the same source of TeV-scale spontaneous symmetry breaking.
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Particle dark matter: evidence, candidates and constraints
Bertone, G., Hooper, D., & Silk, J. (2005) · Physics Reports · doi:10.1016/j.physrep.2004.08.031 · Cited by 4,979
Cited by
CMB constraints on WIMP annihilation: Energy absorption during the recombination epoch
Slatyer, T. R., Padmanabhan, N., & Finkbeiner, D. P. (2009) · Physical Review D · doi:10.1103/physrevd.80.043526 · Cited by 472
Non-abelian dark sectors and their collider signatures
Baumgart, M., Cheung, C., Ruderman, J. T., Wang, L.-T., & Yavin, I. (2009) · Journal of High Energy Physics · doi:10.1088/1126-6708/2009/04/014 · Cited by 294
Metadata
- Authors
- Nomura, Y., & Thaler, J.
- Venue
- Physical Review D
- Publisher
- American Physical Society (APS)
- Published
- 2009-04-15
- Volume
- 79
- Issue
- 7
- ISSN
- 0556-2821 (ISSN-L)
- 1550-7998
- 1550-2368
- OpenAlex
- W2131658868
- Cited by
- 233
- References
- 1
- FWCI
- 18.67
- Type
- journal article
- Language
- en
- Open access
- green
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- Nomura, Y., & Thaler, J. (2009). Dark matter through the axion portal. Physical Review D. https://doi.org/10.1103/physrevd.79.075008
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