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. LehrausT. 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 journalArticle

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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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    Barczewski, T., Bauerdick, L. A. T., Bellantoni, L., Blucher, E., Blum, W., Boudreau, J., Cinabro, D., Conway, J., Cowen, D. F., Fagerstrom, J., Fidecaro, F., Gobbo, B., Halley, A., Haywood, S., Jahn, A., Jared, R. C., Johnson, R., Kasemann, M., Leclaire, B., ... Wu, S. L. (1990). Gas system for ALEPH TPC. Nuclear Inst. and Methods in Physics Research, A, 289(1-2), 176-184. https://doi.org/10.1016/0168-9002(90)90257-7