The new front-end electronics for the Super-Kamiokande experiment
作者： H. Nishino , K. Awai , Y. Hayato , K. Kaneyuki , S. Nakayama
DOI: 10.1109/NSSMIC.2007.4436301
关键词: Super-Kamiokande 、 Neutrino 、 Electronics 、 Nuclear electronics 、 Solar neutrino 、 Photomultiplier 、 Electrical engineering 、 Cherenkov detector 、 Physics 、 Upgrade
摘要: Super-Kamiokande is a ring imaging water Cherenkov detector for astro-particle physics that consists of 50 kton pure and about 13000 photomultiplier tubes (PMTs). We are planning to upgrade all the front-end electronics in next year. By high speed signal processing electronics, we will record hits PMTs without any hardware filtering, aiming observations much fainter signals supernova relic neutrinos, lower energy (~ 3 MeV) solar neutrino burst from nearby galactic supernova, so on. The resolutions multi-GeV atmospheric events also be improved by electronics. new based on charge time converters (QTCs) multi-hit TDCs. TCP/IP readout channel implemented handle large amounts data. have developed custom ASIC QTC evaluated characteristics chip prototypical board; high-speed (1 MHz cycle), sensitivity single photo- electron signal, good (0.1 pC RMS) timing (0.3 ns responses, wide dynamic range (2500 pC). In this paper, design performance board described.
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