[Sane-analysis] Minutes of May 26 Analysis Meeting

[narbe at jlab.org]

Credit should go to Oscar.

> _*Oscar:*_ Looking at pi0 mass in cluster energy (E_clust) bins to check
> systematics and stability of calibrations. Sees a slight shift/trend of
> pi0 mass peak (~16MeV over ~1.3GeV) when he varies E_clust. Did this for
> one run (70341).
> http://www.jlab.org/~rondon/sane/analysis/replay/pi0/pi0-eclus.gif
> http://www.jlab.org/~rondon/sane/analysis/replay/pi0/pi0_mass-eclus_sum.gif
> It will be useful to do this for many runs to cover the data thoroughly.
> It would also be useful to do this with the MC.

- the run number is 73041 (dyslexia strikes again!)
- the fit's slope (shown on the plot) is 0.016, which would have 1/GeV
units, so it corresponds to 16 MeV per GeV, not per 1.3 GeV. The slope
error is 0.0022, or about 14%.