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

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

Risultato della ricerca: Otherpeer review

6 Citazioni (Scopus)


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 several 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). © 2012 SPIE.
Lingua originaleEnglish
Numero di pagine7
Stato di pubblicazionePublished - 2012

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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