Jun 13 – 15, 2012
LAL Orsay
Europe/Paris timezone

Study of 144 Channel Multi-Anode Hybrid Avalanche Photo-Detector for the Belle II RICH Counter

Jun 13, 2012, 4:00 PM
Amphithéâtre Pierre Lehmann (LAL Orsay)

Amphithéâtre Pierre Lehmann

LAL Orsay

Centre Scientifique d'Orsay - Bat 200 91898 Orsay cedex FRANCE
Oral presentation Vacuum photo-detectors


Dr Ichiro Adachi (KEK)


New hybrid avalanche photo-detector has been developed as a photon sensor for the Belle II RICH counter. Single-photon response was investigated in the presence of a magnetic field and excellent performance was demonstrated. In addition, the radiation damage was studied in detail. By building a prototype consisting of 6 photo-detectors, a test beam experiment was carried out. We successfully obtained a clear Cherenkov image and potentail pi/kaon separation power is expected to be more than 4 sigma at 4 GeV/c.

Primary author


Andrej Seljak (IJS Institute Ljubljana) Dr Hidekazu Kakuno (University of Tokyo) Hideyuki Kawai (Chiba university) Hideyuki Takagaki (TMU) Koji Hara (Tokyo Metropolitan University (JP)) Luka Santelj (Josef Sefan Institute) Makoto Tabata (Chiba university) Masahiko Higuchi (TUS) Peter Krizan (University of Ljubljana) Rok Dolenec (Institut "Jožef Stefan") Rok Pestotnik (Jozef Stefan Institute) Ruben Verheyden (Jozef Stefan Institute) Dr Samo Korpar (Uni Maribor) Satoru Ogawa (Elementary Particle Physics Laboratory, Department of Physics) Shohei Nishida (High Energy Accelerator Research Organization (JP)) Shuichi Iwata (Tokyo Metropolitan University) Takayuki SUMIYOSHI (Tokyo Metropolitan University) Takeo Kawasaki (Niigata university) Tetsuro Kumita (TMU) Toru Iijima (Nagoya University) Wakana Mori (Toho university) Yoshinori Sakashita (TMU) Yosuke Yusa (Virginia Polytechnic Inst. and State Univ.)

Presentation materials