[Halld-physics] comments on your conf. proc. article

[Richard Jones]

Hello Reinhard,


   1. Did you do tagging accidentals subtraction in forming the spectra in
   Fig. 3? I think it would be helpful to state whether you did or not, and if
   not, an estimate for how many of these events are accidental tags.
   2. In the first paragraph under Angular Distributions, you speak of
   "beam-related background". Does this mean tagging accidentals? If so it
   would be better to rename it in this way, as "beam-related background"
   would normally refer to something other than the hard photon component of
   the beam, ie. noise from synchrotron X-rays or particles like pions/muons
   from upstream showers in the beamline, which I do not believe are
   significant here. That is, if you were not demanding a tag to provide an
   extra constraint to your fit, these events would qualify in every way as
   signal, so they are not really background, just tagging accidentals.

-Richard Jone
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