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The DIRC front-end electronics chain for BaBar

  • P. Bailly
  • , J. Chauveau
  • , L. Del Buono
  • , J. F. Genat
  • , H. Lebbolo
  • , L. Roos
  • , B. Zhang
  • , C. Beigbeder
  • , R. Bernier
  • , D. Breton
  • , T. Caceres
  • , R. Chase
  • , A. Ducorps
  • , A. Hrisoho
  • , P. Imbert
  • , S. Sen
  • , V. Tocut
  • , K. Truong
  • , G. Wormser
  • , F. Zomer
  • G. Bonneaud, F. Dohou, F. Gastaldi, P. Matricon, C. Renard, C. Thiebaux, G. Vasileiadis, M. Verderi, G. Oxoby, J. Va'Vra, D. Warner, R. J. Wilson
  • Universités Paris VI and VII
  • Laboratoire de l'Accélérateur Linéaire
  • Stanford Linear Accelerator Center
  • Cooperative Institute for Research in the Atmosphere

Research output: Contribution to journalConference articlepeer-review

3 Citations (Scopus)

Abstract

The detector of Internally Reflected Cherenkov light (DIRC) of the BaBar detector (SLAC Stanford, USA) measures better than 1 ns the arrival time of Cherenkov photoelectrons, detected in a 11 000 phototubes array and their amplitude spectra. It mainly comprises of 64-channel DIRC Front-End Boards (DFB) equipped with eight full-custom Analog chips performing zero-cross discrimination with 2 mV threshold and pulse shaping, four full-custom Digital TDC chips for timing measurements with 500 ps binning and a readout logic selecting hits in the trigger window, and DIRC Crate Controller cards (DCC) serializing the data collected from up to 16 DFBs onto a 1.2 Gb/s optical link. Extensive test of the pre-production chips have been performed as well as system tests.

Original languageEnglish
Pages (from-to)450-455
Number of pages6
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume433
Issue number1-2
DOIs
Publication statusPublished - 21 Aug 1999
EventProceedings of the 1998 3rd International Workshop on Ring Imaging Cherenkov Detectors (RICH98) - Dead Sea, Israel
Duration: 15 Nov 199820 Nov 1998

Keywords

  • BaBar detector
  • DCC
  • DIRC
  • High-energy particles

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