Development of the CRID single-electron wire detector

D. Aston, A. Bean, T. Bienz, F. Bird, D. Caldwell, M. Cavalli-Sforza, P. Coyle, D. Coyne, S. Dasu, W. Dunwoodie, G. Hallewell, K. Hasegawa, J. Huber, P. Jacques, R. A. Johnson, H. Kawahara, Y. Kwon, D. Leith, A. Lu, J. MartinezL. Mathys, S. McHugh, B. Meadows, M. Nussbaum, R. Morrison, R. Plano, B. Ratcliff, P. Rensing, D. Schultz, S. Shapiro, A. Shoup, C. Simopoulos, M. Sokoloff, E. Solodov, P. Stamer, I. Stockdale, N. Toge, J. Va'Vra, D. A. Williams, S. Williams, M. Witherell, R. J. Wilson, J. Whitaker, S. Yellin, H. Yuta

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)

Abstract

We describe the R&D effort to define the design parameters, method of construction and experimental results of single-electron wire detectors. These detectors will be used for particle identification using Cherenkov ring-imaging techniques in the SLD experiment at SLAC. We present measurements of pulse heights for several gases as a function of gas gain, charge division performance on a single-electron signal using both 7 and 33 μm diameter carbon wires, photon feedback in TMAE-laden gas, average pulse shape, and its comparison with the predicted shape and cross-talk. In addition, we present results of wire aging tests and other tests associated with construction of this unusual type of wire chamber.

Original languageEnglish
Pages (from-to)590-595
Number of pages6
JournalNuclear Inst. and Methods in Physics Research, A
Volume283
Issue number3
DOIs
Publication statusPublished - 1989 Nov 10

Bibliographical note

Funding Information:
A Cherenkov detector must have a high efficiency for detecting single photoelectrons . Our detector measures the axial coordinate of the photoelectron along the drift box axis by measuring the drift time, the radial coordinate along the drift box depth by measuring the charge division on each wire, and the azimuthal coordinate by the wire address. The radial coordinate is essential for the reduction of the parallax broadening on the Cherenkov ring images . The use of TMAE (tetrakisdi-methylamino ethylene), which serves as a photocathode, * Work supported by the Department of Energy, contracts DE-AC03-76SF00515 and DE-AT03-79ER70023, and by the National Science Foundation under Grants PHY85-12145 and PHY85-13808 * * Present address: EP Division, CERN, CHI211, Geneva 23, Switzerland. ' Permanent address: Institute of Nuclear Physics, Novosi-birsk, 630090, USSR ' ' Speaker

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Instrumentation

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