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A cryogenic tracking detector for antihydrogen detection in the AEgIS experiment

Authors
  • Amsler, C.
  • Antonello, M.
  • Belov, A.
  • Bonomi, G.
  • Brusa, R.S.
  • Caccia, M.
  • Camper, A.
  • Caravita, R.
  • Castelli, F.
  • Comparat, D.
  • Consolati, G.
  • Demetrio, A.
  • Di Noto, L.
  • Doser, M.
  • Ekman, P.A.
  • Fanì, M.
  • Ferragut, R.
  • Gerber, S.
  • Giammarchi, M.
  • Gligorova, A.
  • And 38 more
Publication Date
Apr 21, 2020
Source
INSPIRE-HEP
Keywords
License
Unknown
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Abstract

We present the commissioning of the Fast Annihilation Cryogenic Tracker detector (FACT), installed around the antihydrogen production trap inside the 1 T superconducting magnet of the AEgIS experiment. FACT is designed to detect pions originating from the annihilation of antiprotons. Its 794 scintillating fibers operate at 4K and are read out by silicon photomultipliers (MPPCs) at near room temperature. FACT provides the antiproton/antihydrogen annihilation position information with a few ns timing resolution.

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