Observation of the new emission line at ~3.5 keV in X-ray spectra of galaxies and galaxy clusters

• Published in: Advances in Astronomy and Space Physics
• Date: 2016
• Main Author: Iakubovskyi, D.A.
• Format: Article
• Language: English
• Published: Головна астрономічна обсерваторія НАН України 2016
• Online Access: https://nasplib.isofts.kiev.ua/handle/123456789/119951
• 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.

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...