Search results for " Anticoincidence detector"

The Cryogenic AntiCoincidence Detector Project for ATHENA+: An Overview Up to the Present Status

2014

ATHENA+ is a space mission proposal for the next ESA L2-L3 slot. One of the focal plane instruments is the X-ray integral field unit (X-IFU) working in the energy range 0.3–10 keV. It is a multi-array based on TES detectors aimed at characterizing faint or diffuse sources (e.g. WHIM or galaxy outskirt). The X-IFU will be able to achieve the required sensitivity if a low background is guaranteed. The studies performed by GEANT4 simulations depict a scenario where the use of an active anticoincidence (AC) is mandatory to reduce the background expected in L2 orbit down to the goal level of 0.005 cts cm $$^{-2}$$  s $$^{-1}$$  keV $$^{-1}$$ . This is possible using a cryogenic anticoincidence (…