Luminosity measurement at ATLAS - Development, construction and test of scintillating fibre prototype detectors

S. Ask, P. Barrillon, A. Braem, C. Cheiklali, I. Efthymiopoulos, D. Fournier, C. de La Taille, B. Di Girolamo, P. Grafstrom, C. Joram, M. Haguenauer, Vincent Hedberg, B. Lavigne, A. Maio, A. Mapelli, Ulf Mjörnmark, P. Puzo, M. Rijssenbeek, J. Santos, J. G. SaraivaH. Stenzel, M. Thioye, E. Valladolid, V. Vorobel

Research output: Contribution to journalArticlepeer-review

Abstract

We are reporting about a scintillating fibre tracking detector which is proposed for the precise determination of the absolute luminosity of the CERN LHC at interaction point 1 where the ATLAS experiment is located. The detector needs to track protons elastically scattered under mu rad angles in direct vicinity to the LHC beam. It is based on square shaped scintillating plastic fibres read out by multianode photomultiplier tubes and is housed in Roman Pots. We describe the design and construction of prototype detectors and the results of a beam test experiment at DESY. The excellent detector performance established in this test validates the detector design and supports the feasibility of the proposed challenging method of luminosity measurement. (c) 2006 Elsevier B.V. All rights reserved.
Original languageEnglish
Pages (from-to)588-600
JournalNuclear Instruments & Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment
Volume568
Issue number2
DOIs
Publication statusPublished - 2006

Subject classification (UKÄ)

  • Accelerator Physics and Instrumentation

Free keywords

  • luminosity
  • scintillating fibre
  • photodetector

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