CCAPP Seminar: "A Case for the 3.55 keV Line: Claims, Counterclaims, Reasons, and Evidence" Esra Bulbul (MIT)

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Esra Bulbul
May 3, 2016
11:30AM - 12:30PM
Location
PRB 4138

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Add to Calendar 2016-05-03 11:30:00 2016-05-03 12:30:00 CCAPP Seminar: "A Case for the 3.55 keV Line: Claims, Counterclaims, Reasons, and Evidence" Esra Bulbul (MIT) X-ray observations of dark matter dominated objects have the potential to reveal a signal from decaying or annihilating dark matter. We previously reported the detection of an unidentified emission line at 3.55 keV in the stacked XMM-Newton observations of galaxy clusters. The origin of this unidentified line could be attributed to decay of dark matter particles. I will provide a comprehensive review on the detections and non-detections of the 3.55 keV line in dark matter dominated objects in the literature. PRB 4138 Center for Cosmology and AstroParticle Physics (CCAPP) ccapp@osu.edu America/New_York public
Description

X-ray observations of dark matter dominated objects have the potential to reveal a signal from decaying or annihilating dark matter. We previously reported the detection of an unidentified emission line at 3.55 keV in the stacked XMM-Newton observations of galaxy clusters. The origin of this unidentified line could be attributed to decay of dark matter particles. I will provide a comprehensive review on the detections and non-detections of the 3.55 keV line in dark matter dominated objects in the literature.

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