Dark Matter and Dark Radiation from Axion-Like-Particles

 
カテゴリ
開始2015/02/04（水）11:00
終了2015/02/04（水）12:00
会場Kenkyu Honkan 1F Meeting Room 3
講演者Markus Rummel (U of Oxford)
言語英語/English
連絡先住友洋介
ウェブサイト
食堂・売店／0

概要

First, we discuss the possibility of explaining the 3.5 keV line through dark matter decaying to axion-like particles that subsequently convert to photons in astrophysical magnetic fields. This model is consistent with all present observations of the 3.5 keV line, including galaxy clusters, spiral and dwarf galaxies and the galactic centre. Then, we discuss how a Cosmic-ALP-background can explain the excess of Soft X-rays in galaxy clusters.

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