Gas system for ALEPH TPC

  • T. Barczewski
  • , L. A.T. Bauerdick
  • , L. Bellantoni
  • , E. Blucher
  • , W. Blum
  • , J. Boudreau
  • , D. Cinabro
  • , J. Conway
  • , D. F. Cowen
  • , J. Fagerstrom
  • , F. Fidecaro
  • , B. Gobbo
  • , A. Halley
  • , S. Haywood
  • , A. Jahn
  • , R. C. Jared
  • , R. Johnson
  • , M. Kasemann
  • , B. Leclaire
  • , I. Lehraus
  • T. Lohse, A. Lusiani, P. S. Marrocchesi, J. May, E. Milotti, A. Minten, J. Pater, J. Richstein, R. Richter, W. Richter, S. Röhn, L. Rolandi, A. Roth, H. Rotscheidt, D. Schlatter, M. Schmelling, R. Settles, F. Steeg, G. Stefanini, M. Takashima, W. Tejessy, J. Thomas, A. Vayaki, J. Wear, W. Wiedenmann, W. Witzeling, Sau Lan Wu

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Operation of the time projection chamber of the ALEPH experiment at LEP requires a high-purity argon/methane gas mixture supplied to the detector under stable conditions to ensure minimum signal attenuation throughout the 43 m3 detector volume (max. 2.2 m drift length) and maintain near-constant electron drift velocity in the gas over extended periods of time. Design considerations for a gas system to fulfil these conditions are presented and details given of the construction, operational aspects and of the achieved performance.

Original languageEnglish (US)
Pages (from-to)176-184
Number of pages9
JournalNuclear Inst. and Methods in Physics Research, A
Volume289
Issue number1-2
DOIs
StatePublished - Apr 1 1990

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Instrumentation

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