Observation of the new emission line at ~3.5 keV in X-ray spectra of galaxies and galaxy clusters
The detection of an unidentified emission line in the X-ray spectra of cosmic objects would be a `smoking gun'signature for the particle physics beyond the Standard Model. More than a decade of its extensive searches results in several narrow faint emission lines reported at 3.5, 8.7, 9.4 and 1...
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| Published in: | Advances in Astronomy and Space Physics |
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| Date: | 2016 |
| Main Author: | |
| Format: | Article |
| Language: | English |
| Published: |
Головна астрономічна обсерваторія НАН України
2016
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| Online Access: | https://nasplib.isofts.kiev.ua/handle/123456789/119951 |
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| Journal Title: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Cite this: | Observation of the new emission line at ~3.5 keV in X-ray spectra of galaxies and galaxy clusters / D.A. Iakubovskyi // Advances in Astronomy and Space Physics. — 2016. — Т. 6., вип. 1. — С. 3-15. — Бібліогр.: 188 назв. — англ. |
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Digital Library of Periodicals of National Academy of Sciences of Ukraine| Summary: | The detection of an unidentified emission line in the X-ray spectra of cosmic objects would be a `smoking gun'signature for the particle physics beyond the Standard Model. More than a decade of its extensive searches results in several narrow faint emission lines reported at 3.5, 8.7, 9.4 and 10.1 keV. The most promising of them is the emission line at ∼3.5 keV reported in spectra of several nearby galaxies and galaxy lusters. Here I summarize its up-to-date status, overview its possible interpretations, including an intriguing connection with the radiatively decaying dark matter, and outline future directions for its studies.
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| ISSN: | 2227-1481 |