CAGRA Project

CAGRA Specification

Overview of CAGRA
CAGRA consists of 16 Ge Clover detectors withBGO Compton supperssors. 4detectors at 45 degree,8 detectors at 90 degree, and 4 detectors at 135degree.Target to Ge distance is about 14 cm.

CAGRA Efficiency
CAGRA photo peak efficiency wasestimated byGEANT-4 simulation. It will be 6% for 1 MeV gammarays afterapplying addback.