Development of a large area gas photomultiplier with GEM/$μ$PIC

Details Development of a large area gas photomultiplier with GEM/$μ$PIC Development of a large area gas photomultiplier with GEM/$μ$PIC

2008-09-19

arxiv.org/abs/0809.3319v2

Astronomy and Astrophysics

Astrophysics

Poster presentation at ICHEP08 Philadelphia, USA, July 2008. 3 pages, LaTeX, 4 eps figures

Scientific paper

We are developing a new photon detector with micro pattern gaseous detectors. A semitransparent CsI photocathode is combined with 10cm$\times$10cm GEM/$\mu$PIC for the first prototype which is aimed for the large liquid Xe detectors. Using Ar+C$_2$H$_6$ (10%) gas, we achieved the gas gain of $10^5$ which is enough to detect single photoelectron. We, then, irradiated UV photons from a newly developed solid scintillator, LaF$_3$(Nd), to the detector and successfully detected single photoelectron.

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