The cryogenic anticoincidence detector for ATHENA-XMS: preliminary results from the new prototype

Claudio Macculi; Luigi Piro; Luca Colasanti; Simone Lotti; Lorenzo Natalucci; Daniela Bagliani; Michele Biasotti; Flavio Gatti; Guido Torrioli; Simone Chiarucci; Marco Barbera; Teresa Mineo; Emanuele Perinati

doi:10.1117/12.926117

17 September 2012 The cryogenic anticoincidence detector for ATHENA-XMS: preliminary results from the new prototype

Claudio Macculi, Luigi Piro, Luca Colasanti, Simone Lotti, Lorenzo Natalucci, Daniela Bagliani, Michele Biasotti, Flavio Gatti, Guido Torrioli, Simone Chiarucci, Marco Barbera, Teresa Mineo, Emanuele Perinati

Author Affiliations +

Proceedings Volume 8443, Space Telescopes and Instrumentation 2012: Ultraviolet to Gamma Ray; 84435G (2012) https://doi.org/10.1117/12.926117
Event: SPIE Astronomical Telescopes + Instrumentation, 2012, Amsterdam, Netherlands

Abstract

ATHENA has been the re-scoped IXO mission, and one of the foreseen focal plane instrument was the X-ray Microcalorimeter Spectrometer (XMS) working in the energy range 0.3-10 keV, which was a kilo-pixel array based on TES (Transition Edge Sensor) detectors. The need of an anticoincidence (AC) detector is legitimated by the results performed with GEANT4 simulations about the impact of the non x-ray background onto XMS at L2 orbit (REQ. < 0.02 cts/cm2/s/keV). Our consortium has both developed and tested seveal samples, with increasing area, in order to match the large area of the XMS (64 mm2). Here we show the preliminary results from the last prototype. The results achieved in this work offer a solution to reduce the particle background not only for the presently study mission, but also for any satellite/balloon borne instrument that foresees a TES-based microcalorimeters/bolometers focal plane (from millimeter to x-ray domain).

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Claudio Macculi, Luigi Piro, Luca Colasanti, Simone Lotti, Lorenzo Natalucci, Daniela Bagliani, Michele Biasotti, Flavio Gatti, Guido Torrioli, Simone Chiarucci, Marco Barbera, Teresa Mineo, and Emanuele Perinati "The cryogenic anticoincidence detector for ATHENA-XMS: preliminary results from the new prototype", Proc. SPIE 8443, Space Telescopes and Instrumentation 2012: Ultraviolet to Gamma Ray, 84435G (17 September 2012); https://doi.org/10.1117/12.926117

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