A few answers to Tancredi's comments (to Chi's message):
> It is electrons and not protons that fire the cerenkov!! Also, there are
> no elastic protons more forward than TOF #6. I am confused: the cut <5000
> is on the TDC (right ??) and it actually selects those events for which the
> paddle TDC is a self-timed peak. For those events, presumably, a particle
> went through a paddle scint after hitting the start counter, so they come
> from the target.
I think I actually saw protons as forward as TOF4 - please look at the ADC
plots in logbook - it is probably because now we are gain-matched a lot
better? Chi was refering to ADCs, not TDCs... (< 5000).
Adrian
This archive was generated by hypermail 2.1.2 : Mon Feb 24 2014 - 14:07:28 EST