Fig1 is right arm, Fig2 is left arm. Three colors are:
black: T->Draw("R.cer.asum_p>>T7trigger(2000,0,2000)","(D.evtypebits & 0x80) == 0x80");
red: T->Draw("R.cer.asum_p>>TDC_GC(2000,0,2000)","R.pv.t_cor>-400 && R.pv.t_cor<1000");
blue: T->Draw("R.cer.asum_p>>TDC_veto(2000,0,2000)","R.pv.t_cor>-400 && R.pv.t_cor<1000");
1. The T7 should be exactly a same fanout as the GC going to the PVDIS daq. However, the black is different from blue in right arm. In left arm, it's OK. But both has huge peak at low channels which means the discriminator doesn't work as what we expect is. 2. Red is GC cut, and blue is GC&&T1. In theory, it shouldn't vary much at high current.
I'll look the timing diff of them later.
A copy of this log entry has been emailed to: xiaochao, rom, rsubedi