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FMS Meeting - 8-8-2011
I've added more plots to the gain-dependent reconstructed photon distribution plots. In order from top to bottom, left to right, the plots are as follows:
Plot 1: x-distribution of reconstructed photons
Plot 2: y-distribution of reconstructed photons
Plot 3: 2d distribution of reconstructed photons
Plot 4: ADC distributions (black=raw, red=rescaled, blue=led)
Plot 5: x-distribution skewnesses
Plot 6: y-distribution skewnesses
Plot 7: gain correction analysis (see below for details)
Plot 8: average energy per run (run number scaled to natural numbers)
Plot 9: mass distribution (still working on appropriate cuts / mass fits)
Plot 10: mass vs energy
Plot 11: (text) cell number and gain information
For the gain correction analysis plot, the integers represent whether the gain correction is relatively high or relatively low with respect to adjacent cells
+1: means no gain correction needed / unknown
-1: means there was a contradiction (e.g. x-distributions show the gain correction is too high while y-distributions show gain correction is too low)
+/- 2: means only the x-distribution shows the gain correction is too high/low
+/- 3: means only the y distribution shows the gain correction is too high/low
+/- 4: means both the x and y distributions show the gain correction is too high/low
* For integers 2,3,4, positive means gain correction is too high and negative means gain correction is too low
Files:
1. [PDF] http://www.star.bnl.gov/protected/spin/dilks/08-08-2011/plots.pdf
Sample set of plots; the gain correction is iterated by 0.05 from 0.1 to 3.0.
The last page is a plot of the skewnesses as a function of gain correction
(low means the skewness of the cell to the left or below; high means the skewness of the cell to the right or above;
mid means the cell in the center)
2. [MP4] http://www.star.bnl.gov/protected/spin/dilks/08-08-2011/movie.mp4
This is a movie that steps through the previous PDF file page by page. Note that it is a high resolution movie,
so you'll need to resize it to fit your screen.
3. [PDF] http://www.star.bnl.gov/protected/spin/dilks/08-08-2011/3-all.pdf
Reconstructed photon distribution in detector 3
4. [PDF] http://www.star.bnl.gov/protected/spin/dilks/08-08-2011/4-all.pdf
Reconstructed photon distribution in detector 4
5. Full Skewness plots [PDFs]
a. gain correction analyses:
http://www.star.bnl.gov/protected/spin/dilks/08-08-2011/3-gain.pdf
http://www.star.bnl.gov/protected/spin/dilks/08-08-2011/4-gain.pdf
b. skewness of x-distributions:
http://www.star.bnl.gov/protected/spin/dilks/08-08-2011/3-skewx.pdf
http://www.star.bnl.gov/protected/spin/dilks/08-08-2011/4-skewx.pdf
c. skewness of y -distributions:
http://www.star.bnl.gov/protected/spin/dilks/08-08-2011/3-skewy.pdf
http://www.star.bnl.gov/protected/spin/dilks/08-08-2011/4-skewy.pdf
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