Photon detectors for the HERA-B rich
Conference
·
OSTI ID:513063
- Univ. of Ljubljana (Slovenia); and others
A summary of experimental studies of different photon detectors is presented. A CsI photocathode in a multiwire proportional chamber, a TMAE based gaseous photon detector and a new Hamamatsu multianode photomultiplier tube have been investigated in order to evaluate their suitability as photon detectors in the ring imaging Cherenkov counter of HERA-B. The results of the present work suggest that only the MA-PMT meets the demanding requirements of the HERA-B experimental environment. The CsI-MWPC cannot be routinely produced and maintained with sufficiently high quantum efficiency and the TMAE photon detectors lose gain as a result of relatively quick anode wire ageing.
- OSTI ID:
- 513063
- Report Number(s):
- CONF-961123--
- Country of Publication:
- United States
- Language:
- English
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