Status of the Fast Focusing DIRC (fDIRC)

We have built and successfully tested a novel particle identification detector concept, the Fast Focusing DIRC (fDIRC). The prototype's concept is based on the BaBar DIRC with several important improvements: (a) much faster pixelated photon detectors based on Burle MCP-PMTs and Hamamatsu MaPMTs...

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Published inNuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Vol. 595; no. 1; pp. 104 - 107
Main Authors Benitez, J., Leith, D.W.G.S., Mazaheri, G., Ratcliff, B.N., Schwiening, J., Va’vra, J., Ruckman, Larry L., Varner, Gary S.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 21.09.2008
Subjects
B factory
Cherenkov detectors
Photodetectors
RICH
Super flavor factory
Cherenkov detectors
B factory
Photodetectors
RICH
Super flavor factory
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Summary:We have built and successfully tested a novel particle identification detector concept, the Fast Focusing DIRC (fDIRC). The prototype's concept is based on the BaBar DIRC with several important improvements: (a) much faster pixelated photon detectors based on Burle MCP-PMTs and Hamamatsu MaPMTs, (b) a focusing mirror allowing a smaller photon detector, reducing the sensitivity to backgrounds in future applications, (c) electronics capable of measuring the single photon resolution to better than σ≈100–200 ps. The fDIRC is the first RICH detector to successfully correct the chromatic error by timing.
ISSN:0168-9002
1872-9576
DOI:10.1016/j.nima.2008.07.042