Development of a TES based Cryo-Anticoincidence for a large array of microcalorimeters

The employment of large arrays of microcalorimeters in space missions (IXO, EDGE/XENIA)[1][2][3], requires the presence of an anticoincidence detector to remove the background due to the particles, with a rejection efficiency at least equal to Suzaku (98%) [1]. A new concept of anticoincidence is un...

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Bibliographic Details
Published in:AIP conference proceedings 2009-12, Vol.1185 (1), p.438-441
Main Authors: Colasanti, L, MacCuli, C, Piro, L, Natalucci, L, Gatti, F, Ferrari, L, Mineo, T, Perinati, E, Torrioli, G, Bastia, P, Barbera, M
Format: Article
Language:English
Subjects:
ANTICOINCIDENCE
BOLOMETERS
CALORIMETERS
CALORIMETRY
COMPUTERIZED SIMULATION
DESIGN
EFFICIENCY
INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
RADIATION DETECTORS
RESPONSE FUNCTIONS
SENSORS
SIGNAL-TO-NOISE RATIO
SILICON
SPACE VEHICLES
SUPERCONDUCTING DEVICES
TELESCOPE COUNTERS
X-RAY DETECTION
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Summary:The employment of large arrays of microcalorimeters in space missions (IXO, EDGE/XENIA)[1][2][3], requires the presence of an anticoincidence detector to remove the background due to the particles, with a rejection efficiency at least equal to Suzaku (98%) [1]. A new concept of anticoincidence is under development to match the very tight thermal requirements and to simplify the design of the electronic chain. The idea is to produce a Cryo-AntiCoincidence (Cryo-AC) based on a silicon absorber and read by a TES (Transition-Edge Sensor). This configuration would ensure very good performances in terms of efficiency, time response and signal to noise ratio. We present the results of estimations, simulations and preliminary measurement.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.3292372