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The DIRC front-end electronics chain for BaBar

  • P. Bailly
  • , C. Beigbeder
  • , R. Bernier
  • , D. Breton
  • , G. Bonneaud
  • , T. Caceres
  • , R. Chase
  • , J. Chauveau
  • , L. Del Buono
  • , F. Dohou
  • , A. Ducorps
  • , F. Gastaldi
  • , J. F. Genat
  • , A. Hrisoho
  • , P. Imbert
  • , H. Lebbolo
  • , P. Matricon
  • , G. Oxoby
  • , C. Renard
  • , L. Roos
  • S. Sen, C. Thiebaux, K. Truong, V. Tocut, G. Vasileiadis, J. Va’vra, M. Verderi, D. Warner, R. J. Wilson, G. Wormser, B. Zhang, F. Zomer
  • Universités Paris VI and VII
  • Laboratoire de 1’Accélétrateur Linéaire
  • Université Paris-Saclay
  • Laboratoire de Physique Nuclhire et de Hautes Energies
  • Stanford Linear Accelerator Center
  • Cooperative Institute for Research in the Atmosphere

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

Recent results from the Front-End electronics of the Detector of Internally Reflected Cerenkov light (DIRC) for the BaBar experiment at SLAC (Stanford, USA) are presented. It measures to better than 1ns the arrival time of Cerenkov photoelectrons detected in a 11,000 phototubes array and their amplitude spectra. It mainly comprises 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 time to digital chips (TDC) 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 results of the pre-production chips will be presented, as well as system tests.

Original languageEnglish
Pages (from-to)2106-2113
Number of pages8
JournalIEEE Transactions on Nuclear Science
Volume47
Issue number6
DOIs
Publication statusPublished - 1 Jan 2000

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