Present status of silicon detectors in COMPASS

H. Angerer, R. De Masi, A. Esposito, J. Friedrich, S. Gerassimov, B. Grube, B. Ketzer, I. Konorov, R. Kuhn, S. Paul, L. Schmitt, R. M. Wagner, M. Wiesmann

Research output: Contribution to journalConference articlepeer-review

16 Scopus citations

Abstract

In 2002 the COMPASS experiment at CERN has started to take first physics data. The fixed target experiment at the SPS uses muon and hadron beams of very high intensity to investigate the structure of the nucleon. For beam definition and small angle tracking silicon microstrip detectors are used. This article describes the requirements which are set by the physics program of COMPASS for these detectors and the ways they were met, amongst which the operation at a temperature around 130 K (Lazarus effect) is the most prominent. Measurements at low temperatures as well as first results from the operation at room temperature in the COMPASS physics run 2002 are presented.

Original languageEnglish
Pages (from-to)229-238
Number of pages10
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume512
Issue number1-2
DOIs
StatePublished - 11 Oct 2003
EventProceedings of the 9th European Symposium on Semiconductor - Elmau, Germany
Duration: 23 Jul 200227 Jul 2002

Keywords

  • CERN NA58
  • COMPASS
  • Cryogenic
  • Double sided silicon
  • Lazarus effect
  • Radiation hard silicon
  • Silicon detector

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