R&D status of a large-aperture hybrid avalanche photo-detector

R&D status of a large-aperture hybrid avalanche photo-detector

This paper reports on the R&D status of a large-aperture Hybrid Avalanche Photo-Detector (HAPD). We have developed a 13-inch aperture HAPD and its readout system. The HAPD is a photo-detector expected to replace the photomultiplier tube (PMT) in next-generation imaging water Cherenkov detectors...

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Veröffentlicht in:Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 2010-11, Vol.623 (1), p.279-281
Hauptverfasser: Abe, Toshinori, Aihara, Hiroaki, Iwasaki, Masako, Fujimori, Hiroki, Kasimura, Keizo, Mineo, Sogo, Uchida, Tomohisa, Tanaka, Manobu, Kawai, Yoshihiko, Kyushima, Hiroyuki, Suyama, Motohiro, Shiozawa, Masato
Format: Artikel
Sprache:eng
Schlagworte:
Accelerators
Avalanche photo-diode
Avalanches
Detectors
Devices
Gain
Hybrid photo-detector
Large photo-cathode
Photomultiplier tubes
Sampling
Waveforms
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Zusammenfassung:This paper reports on the R&D status of a large-aperture Hybrid Avalanche Photo-Detector (HAPD). We have developed a 13-inch aperture HAPD and its readout system. The HAPD is a photo-detector expected to replace the photomultiplier tube (PMT) in next-generation imaging water Cherenkov detectors such as Hyper Kamiokande. We will present the recent progress made in readout system development. The readout system involves a fast sampling device. The sampling depth (number of cells) has been extended to 256 from 64 in order to measure longer waveform length. The variation in AC gain is now fixed and the input analog bandwidth improved.
ISSN:0168-9002
1872-9576
DOI:10.1016/j.nima.2010.02.221