User name tchang
Log entry time 01:00:51 on January26,2002
Entry number 80823
keyword=coincidence window changed
I changed the timing of S0 pulse; S0 signal after the discriminator is delayed by 30 ns, and the pulse width is reduced from 100 ns to 70 ns. The photon signal, which is 10 ns wide, is expected to be still at the center of the coincidence window.