%0 Generic %1 jeltema2015observations %A Jeltema, Tesla E. %A Profumo, Stefano %D 2015 %K dark decay dwarf emission line matter %T Deep XMM Observations of Draco rule out a dark matter decay origin for the 3.5 keV line %U http://arxiv.org/abs/1512.01239 %X We searched for an X-ray line at energies around 3.5 keV in deep, ~1.6 Msec XMM-Newton observations of the dwarf spheroidal galaxy Draco. No line was found. The data in this energy range are completely consistent with a simple power law X-ray background, dominated by particle background, plus instrumental lines; the addition of a ~3.5 keV line feature gives no improvement to the fit. The corresponding upper limit on the line flux rules out a dark matter decay origin for the 3.5 keV line found in observations of clusters of galaxies and in the Galactic Center at greater than 99% C.L..

@misc{jeltema2015observations, abstract = {We searched for an X-ray line at energies around 3.5 keV in deep, ~1.6 Msec XMM-Newton observations of the dwarf spheroidal galaxy Draco. No line was found. The data in this energy range are completely consistent with a simple power law X-ray background, dominated by particle background, plus instrumental lines; the addition of a ~3.5 keV line feature gives no improvement to the fit. The corresponding upper limit on the line flux rules out a dark matter decay origin for the 3.5 keV line found in observations of clusters of galaxies and in the Galactic Center at greater than 99% C.L..}, added-at = {2015-12-07T10:09:18.000+0100}, author = {Jeltema, Tesla E. and Profumo, Stefano}, biburl = {https://www.bibsonomy.org/bibtex/24515c9c7dae10f71c143ae94a958e363/miki}, description = {[1512.01239] Deep XMM Observations of Draco rule out a dark matter decay origin for the 3.5 keV line}, interhash = {54b7054cb6be4cc60cc77f8ef1811ae2}, intrahash = {4515c9c7dae10f71c143ae94a958e363}, keywords = {dark decay dwarf emission line matter}, note = {cite arxiv:1512.01239Comment: 4 pages, 3 figures, submitted to MNRAS}, timestamp = {2015-12-07T10:09:18.000+0100}, title = {Deep XMM Observations of Draco rule out a dark matter decay origin for the 3.5 keV line}, url = {http://arxiv.org/abs/1512.01239}, year = 2015 }