Operation and performance of the ATLAS semiconductor tracker

The ATLAS collaboration, K. Cranmer, A. Haas, A. I. Mincer, P. Nemethy

Research output: Contribution to journalArticle

Abstract

The semiconductor tracker is a silicon microstrip detector forming part of the inner tracking system of the ATLAS experiment at the LHC. The operation and performance of the semiconductor tracker during the first years of LHC running are described. More than 99% of the detector modules were operational during this period, with an average intrinsic hit efficiency of (99.74±0.04)%. The evolution of the noise occupancy is discussed, and measurements of the Lorentz angle, d-ray production and energy loss presented. The alignment of the detector is found to be stable at the few-micron level over long periods of time. Radiation damage measurements, which include the evolution of detector leakage currents, are found to be consistent with predictions and are used in the verification of radiation background simulations.

Original languageEnglish (US)
Article numberP08009
JournalJournal of Instrumentation
Volume9
Issue number8
DOIs
StatePublished - 2014

Fingerprint

Semiconductors
Detector
Semiconductor materials
Detectors
detectors
Radiation Damage
Leakage Current
background radiation
Radiation damage
Tracking System
Hits
Period of time
radiation damage
Leakage currents
Half line
Energy dissipation
rays
Silicon
Alignment
leakage

Keywords

  • Charge transport and multiplication in solid media
  • Detector modelling and simulations I (interaction of radiation with matter, interaction of photons with matter, interaction of hadrons with matter, etc)
  • Particle tracking detectors (Solid-state detectors)
  • Solid state detectors

ASJC Scopus subject areas

  • Instrumentation
  • Mathematical Physics

Cite this

The ATLAS collaboration, Cranmer, K., Haas, A., Mincer, A. I., & Nemethy, P. (2014). Operation and performance of the ATLAS semiconductor tracker. Journal of Instrumentation, 9(8), [P08009]. https://doi.org/10.1088/1748-0221/9/08/P08009

Operation and performance of the ATLAS semiconductor tracker. / The ATLAS collaboration; Cranmer, K.; Haas, A.; Mincer, A. I.; Nemethy, P.

In: Journal of Instrumentation, Vol. 9, No. 8, P08009, 2014.

Research output: Contribution to journalArticle

The ATLAS collaboration, Cranmer, K, Haas, A, Mincer, AI & Nemethy, P 2014, 'Operation and performance of the ATLAS semiconductor tracker', Journal of Instrumentation, vol. 9, no. 8, P08009. https://doi.org/10.1088/1748-0221/9/08/P08009
The ATLAS collaboration, Cranmer K, Haas A, Mincer AI, Nemethy P. Operation and performance of the ATLAS semiconductor tracker. Journal of Instrumentation. 2014;9(8). P08009. https://doi.org/10.1088/1748-0221/9/08/P08009
The ATLAS collaboration ; Cranmer, K. ; Haas, A. ; Mincer, A. I. ; Nemethy, P. / Operation and performance of the ATLAS semiconductor tracker. In: Journal of Instrumentation. 2014 ; Vol. 9, No. 8.
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