Journal article
Constraints on axion-like particles from non-observation of spectral modulations for X-ray point sources
- Abstract:
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We extend previous searches for X-ray spectral modulations induced by ALP-photon conversion to a variety of new sources, all consisting of quasars or AGNs located in or behind galaxy clusters. We consider a total of seven new sources, with data drawn from the Chandra archive. In all cases the spectrum is well fit by an absorbed power-law with no evidence for spectral modulations, allowing constraints to be placed on the ALP-photon coupling parameter $g_{a\gamma\gamma}$. Two sources are partic...
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- Publication status:
- Published
- Peer review status:
- Peer reviewed
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- Files:
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(Accepted manuscript, pdf, 733.9KB)
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- Publisher copy:
- 10.1088/1475-7516/2017/07/005
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Authors
Funding
+ European Research Council
More from this funder
Grant:
‘Supersymmetry Breaking in String Theory’ (307605
Bibliographic Details
- Publisher:
- IOP Publishing Publisher's website
- Journal:
- Journal of Cosmology and Astroparticle Physics Journal website
- Volume:
- 2017
- Issue:
- 07
- Article number:
- 005
- Publication date:
- 2017-07-03
- Acceptance date:
- 2017-06-19
- DOI:
- EISSN:
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1475-7516
- Source identifiers:
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691079
Item Description
- Keywords:
- Pubs id:
-
pubs:691079
- UUID:
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uuid:6ec4847a-295d-4cf2-8a1d-2f73e296cd7e
- Local pid:
- pubs:691079
- Deposit date:
- 2017-06-19
Terms of use
- Copyright holder:
- IOP Publishing
- Copyright date:
- 2017
- Notes:
- Copyright © 2017 IOP Publishing Ltd and Sissa Medialab. This is the accepted manuscript version of the article. The final version is available online from IOP Publishing at: https://doi.org/10.1088/1475-7516/2017/07/005
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