A Radio Telescope Search for Axions | Zendy

B. D. Blout | Zendy; E. J. Daw | Zendy; M. P. Decowski | Zendy; Paul T. P. Ho | Zendy; L. J. Rosenberg | Zendy; Dongrui Yu | Zendy

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A Radio Telescope Search for Axions

Author(s) -

B. D. Blout,

E. J. Daw,

M. P. Decowski,

Paul T. P. Ho,

L. J. Rosenberg,

Dongrui Yu

Publication year - 2001

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/318310

Subject(s) - axion , physics , photon , dark matter , astrophysics , monochromatic color , telescope , galaxy , radio telescope , coupling constant , particle physics , astronomy , quantum mechanics , optics

The axion is a hypothetical elementary particle and a cold dark mattercandidate. It could dominate potential wells of most astrophysical objects.Axions spontaneously decay into nearly monochromatic microwave photons. Wepresent results from a radio telescope search for these axion decay photons ofmass between 298 and 363 micro-eV in Local Group dwarf galaxies. We report alimit on the axion-to-two-photon coupling constant g > 1.0 x 10^(-9) GeV^(-1).Comment: Submitted to Astrophysical Journal. 11 pages of text plus 6 figure

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