15
Yasuo MIAKE, Univ. of Tsukuba
Aerogel Cherenkov at KEK-B BELLE
•Non-imaging Cherenkov
•960 modules at Barrel, 228 at Endcap.
•Index n = 1.01 - 1.03
•12 x 12 x 12 cm3
•2 Fine-mesh PMT (1.5T)
–R6683(3”) for n = 1.01
–R6682(2.5”) for n = 1.015
–R6681(2”) for n = 1.02
•~ 10 - 20 p.e.
Journal of Non-Crys.225(1998)369