Performance of a prototype RICH detector using a CsI photocathode readout with low pressure avalanche

B. Surrow, T. K. Hemmick, Byungsik Hong, T. Piazza, N. Xu, A. D. Frawley, L. Wright, Y. Akiba, H. Hamagaki, R. Hayano, K. Itahashi

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

A UV-sensitive wire chamber with a CsI photocathode was tested to examine the overall performance, and the quantum efficiency of the cathode. The chamber is operated as a parallel plate avalanche counter (PPAC) at low pressure (35 Torr ethane). A detailed discussion of our "implementation-ready" design is followed by a description of the CsI-coating procedure. We measured, on the bench, a quantum efficiency of 23±4% at 188 nm. The UV-chamber was tested as a RICH (ring imaging Cherenkov) focal plane detector using a 1 GeV/c electron beam from the AGS at BNL. The measured yields of photoelectrons from Cherenkov light were 3.3, 5.9 and 7.4 photoelectrons per ring per meter using nitrogen, methane and ethane radiators. The quantum efficiency measured on the bench and deduced from the beam test is in good agreement with the literature. These results are quite promising for building a large area RICH focal plane using this technique, e.g. in the PHENIX RICH detector to be built at RHIC.

Original languageEnglish
Pages (from-to)342-350
Number of pages9
JournalNuclear Inst. and Methods in Physics Research, A
Volume355
Issue number2-3
Publication statusPublished - 1995 Feb 15
Externally publishedYes

Fingerprint

Photocathodes
photocathodes
Quantum efficiency
avalanches
readout
low pressure
prototypes
Ethane
Photoelectrons
Detectors
Imaging techniques
quantum efficiency
chambers
rings
detectors
ethane
seats
photoelectrons
Radiators
Electron beams

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

Cite this

Surrow, B., Hemmick, T. K., Hong, B., Piazza, T., Xu, N., Frawley, A. D., ... Itahashi, K. (1995). Performance of a prototype RICH detector using a CsI photocathode readout with low pressure avalanche. Nuclear Inst. and Methods in Physics Research, A, 355(2-3), 342-350.

Performance of a prototype RICH detector using a CsI photocathode readout with low pressure avalanche. / Surrow, B.; Hemmick, T. K.; Hong, Byungsik; Piazza, T.; Xu, N.; Frawley, A. D.; Wright, L.; Akiba, Y.; Hamagaki, H.; Hayano, R.; Itahashi, K.

In: Nuclear Inst. and Methods in Physics Research, A, Vol. 355, No. 2-3, 15.02.1995, p. 342-350.

Research output: Contribution to journalArticle

Surrow, B, Hemmick, TK, Hong, B, Piazza, T, Xu, N, Frawley, AD, Wright, L, Akiba, Y, Hamagaki, H, Hayano, R & Itahashi, K 1995, 'Performance of a prototype RICH detector using a CsI photocathode readout with low pressure avalanche', Nuclear Inst. and Methods in Physics Research, A, vol. 355, no. 2-3, pp. 342-350.
Surrow, B. ; Hemmick, T. K. ; Hong, Byungsik ; Piazza, T. ; Xu, N. ; Frawley, A. D. ; Wright, L. ; Akiba, Y. ; Hamagaki, H. ; Hayano, R. ; Itahashi, K. / Performance of a prototype RICH detector using a CsI photocathode readout with low pressure avalanche. In: Nuclear Inst. and Methods in Physics Research, A. 1995 ; Vol. 355, No. 2-3. pp. 342-350.
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