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The trigger of the ALICE dimuon arm: Architecture and detectors

  • R. Arnaldi
  • , A. Baldit
  • , V. Barret
  • , N. Bastid
  • , G. Blanchard
  • , E. Chiavassa
  • , P. Cortese
  • , P. Crochet
  • , G. Dellacasa
  • , N. De Marco
  • , P. Dupieux
  • , B. Espagnon
  • , J. Fargeix
  • , M. Gallio
  • , L. Lamoine
  • , L. Luquin
  • , F. Manso
  • , V. Metivier
  • , A. Musso
  • , A. Piccotti
  • A. Rahmani, V. Ramillen, L. Royer, O. Roig, E. Scalas, E. Scomparin, E. Vercellin

Research output: Contribution to journalArticlepeer-review

Abstract

The trigger system of the ALICE dimuon arm is based on Resistive Plate Chambers (RPC). Besides a short description of the trigger system, the test results of a RPC proto-type with electrodes made of low resistivity bakelite (≃ 3 · 109 Ω·cm) are presented. Rate capability, time resolution and cluster size have been measured for the RPC operated both in streamer and in avalanche mode. Although the rate capability is obviously higher in avalanche mode (few kHz/cm2), remarkable results have been achieved even in streamer mode (several hundreds of Hz/cm2).

Original languageEnglish
Pages (from-to)712-715
Number of pages4
JournalNuclear Physics A
Volume661
Issue number1-4
DOIs
Publication statusPublished - 27 Dec 1999

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