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Proceedings Paper

The cryogenic anticoincidence detector for ATHENA-XMS: preliminary results from the new prototype
Author(s): 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
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Paper 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).

Paper Details

Date Published: 17 September 2012
PDF: 7 pages
Proc. SPIE 8443, Space Telescopes and Instrumentation 2012: Ultraviolet to Gamma Ray, 84435G (17 September 2012);
Show Author Affiliations
Claudio Macculi, INAF/IAPS Roma (Italy)
Luigi Piro, INAF/IAPS Roma (Italy)
King Abdulaziz Univ. (Saudi Arabia)
Luca Colasanti, INAF/IAPS Roma (Italy)
Simone Lotti, INAF/IAPS Roma (Italy)
Lorenzo Natalucci, INAF/IAPS Roma (Italy)
Daniela Bagliani, Univ. degli Studi di Genova (Italy)
Michele Biasotti, Univ. degli Studi di Genova (Italy)
Flavio Gatti, Univ. degli Studi di Genova (Italy)
Guido Torrioli, Istituto di Fotonica e Nanotecnologie, CNR (Italy)
Simone Chiarucci, Univ. degli Studi di Roma Tor Vergata (Italy)
Marco Barbera, Univ. degli Studi di Palermo (Italy)
Teresa Mineo, INAF/IASF Palermo (Italy)
Emanuele Perinati, Institut für Astronomie and Astrophysik, Univ. Tübingen (Germany)

Published in SPIE Proceedings Vol. 8443:
Space Telescopes and Instrumentation 2012: Ultraviolet to Gamma Ray
Tadayuki Takahashi; Stephen S. Murray; Jan-Willem A. den Herder, Editor(s)

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