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Results from a search for cosmic axions

Hagmann, C., Sikivie, P., Sullivan, N. S., Tanner, D. B.·1990·Physical Review D

Abstract

A search experiment has been carried out to look for relic cosmic axions trapped in the halo of our Galaxy and limits on their coupling ${g}_{a\ensuremath{\gamma}\ensuremath{\gamma}}$ and galactic abundance are presented for the axion mass range of ${m}_{a}=(5.4\ensuremath{-}5.9)\ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}6}$ eV. The detector consisted of a tunable high-$Q$ microwave cavity immersed in liquid helium and permeated by a strong magnetic field. A low-noise microwave receiver with a cryogenic HEMT amplifier as its first stage was coupled to the cavity. The noise power within successive cavity bandwidths was spectrum analyzed and searched for narrow peaks resulting from axion-to-photon conversions in the cavity.

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Metadata

Authors
Hagmann, C., Sikivie, P., Sullivan, N. S., & Tanner, D. B.
Venue
Physical Review D
Published
1990-08-15
Volume
42
Issue
4
Pages
1297-1300
ISSN
0556-2821 (ISSN-L)
OpenAlex
W1969886158
Cited by
348
References
0
FWCI
5.35
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Results from a search for cosmic axions. https://app.cochat.ai/papers/10.1103/physrevd.42.1297
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Hagmann, C., Sikivie, P., Sullivan, N. S., & Tanner, D. B. (1990). Results from a search for cosmic axions. Physical Review D. https://doi.org/10.1103/physrevd.42.1297

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