User name Templon
Log entry time 06:45:40 on October 4,2000
Entry number 49243
keyword=trigger not set properly!we forgot to download the proper trigger for the hadron arm
before taking these data. an analysis of the betas of this setting
and that of py_1A, along with the assumption of 25m for the
flight path, says that the coinc time should move by about 30
ns between the two settings. this is consistent with the
little blip on the spectrum below, at the upper edge, being our
desired time peak :( putting a time cut on this upper edge, along
with good e- cuts (gassum and reactz) we see a significant peak
at the right missing energy, albeit with poor statistics.
.
It turns out that the "gassum" cut has almost the same effect as a
good "reactz" cut in the e- arm. I am not sure why there is some
strange peak in the timing spectrum if the electron arm has a bad
track.
FIGURE 1
FIGURE 2
