Patrick Mullen featured in CX Press Release
December 9, 2015Undergraduate student, Patrick Mullen, was featured in a press release Dark matter or the smell of sulphur? for his work in a paper in Astronomy & Astrophysics. In this paper, the possibility of charge exchange due to Sulfer ions is discussed as a possible cause for an interesting X-ray feature at an energy of 3.5 keV in galaxy clusters.