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Radiation hard pixel '3D' sensors for use in ATLAS-ITk at LHC

Radiation hard pixel '3D' sensors for use in ATLAS-ITk at LHC

Kategori
Konferansebidrag og faglig presentasjon
Sammendrag
In preparation for operation at the High Luminosity LHC, the tracking system of the ATLAS experiment is replaced with a new inner tracker, the ITk. The innermost layers of this system must be designed to withstand a fluence of more than 10^16 cm-2 1 MeV neutron equivalents. At SINTEF, Norway, silicon pixel sensors have been produced in ‘3D’ design to tolerate such high fluences. Some of these sensors have been mounted with prototype readout electronics designed for operation at the ITk, the RD53A chip. The assembled modules have been shown to operate according to expectation in proton and electron test beams at CERN and DESY. Assemblies have subsequently been irradiated with protons up to a fluence of 5 x 10 ^15 protons cm-2 as well as with neutrons at a fluence of 10^16 cm- 2 . Subsequent beam tests show that the sensors can operate after such fluences with good efficiency. Results from these tests are presented.
Oppdragsgiver
  • Norges forskningsråd / 269752
  • Norges forskningsråd / 255182
Språk
Engelsk
Forfatter(e)
  • Dorholt Ole
  • Heggelund Andreas Løkken
  • Huiberts Simon
  • Kok Angela
  • Koybasi Ozhan
  • Lauritzen Magne Eik
  • Povoli Marco
  • Read Alexander Lincoln
  • Røhne Ole Myren
  • Sandaker Heidi
  • Stugu Bjarne
  • Træet Are Sivertsen
Institusjon(er)
  • Universitetet i Oslo
  • Universitetet i Bergen
  • SINTEF Digital / Microsystems and Nanotechnology
Presentert på
2019 IEEE Nuclear Science Symposium and Medical Imaging Conference
Sted
Manchester
Dato
25.10.2019 - 01.11.2019
År
2019