NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-07-20 T23:29:24 PDT
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For refcode 2016AASP....6....3I:
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2016AASP....6....3I Observation of the new emission line at ~3.5 keV in X-ray spectra of galaxies and galaxy clusters Iakubovskyi, D. A. Abstract. 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 clusters. 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. Key words: X-rays: general, dark matter, line: identification
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