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Aging and rejuvenation of a TMAE+methane multiwire photon detector

Korpar, S. ; Krizan, P. ; Stanovnik, A. ; Staric, M. ; Skrk, D.

IEEE Transactions on Nuclear Science, 1999-06, Vol.46 (3), p.317-320 [Periódico revisado por pares]

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Título:
Aging and rejuvenation of a TMAE+methane multiwire photon detector
Autor: Korpar, S. ; Krizan, P. ; Stanovnik, A. ; Staric, M. ; Skrk, D.
Assuntos: AGING ; Anodes ; Bridges ; CAMAC ; CHERENKOV COUNTERS ; Deposition ; DESIGN ; Detectors ; Evaporation ; Gain ; Gas detectors ; Heat recovery ; Heat treatment ; Heating ; HERA STORAGE RING ; INSTRUMENTATION, INCLUDING NUCLEAR AND PARTICLE DETECTORS ; Mesons ; MULTIWIRE PROPORTIONAL CHAMBERS ; PARTICLE ACCELERATORS ; PARTICLE IDENTIFICATION ; Photons ; PHYSICAL RADIATION EFFECTS ; Testing ; Wire ; Wires
É parte de: IEEE Transactions on Nuclear Science, 1999-06, Vol.46 (3), p.317-320
Notas: ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
CONF-981110-
Descrição: A UV sensitive multiwire photon detector has been tested as a possible candidate for the HERA-B RICH detector. The main obstacle to using such a TMAE+Methane filled gas detector in a high rate experiment appears to be rapid aging in the form of prohibitive loss of chamber gas gain. A special circuit has been designed for heating the anode wires in-situ with elevated currents, thus evaporating the polymer deposits. Heating almost completely recovers the initial gain, but this rejuvenation is unfortunately of short duration. Nevertheless, the cells exposed to periodic heat treatments have an average gain considerably higher than the non-heated cells.
Editor: United States: IEEE
Idioma: Inglês

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