Run 236237584 LAC_LoPos Temperature 10-15 C
File r236237584_PedCalib_LoNeg.png 2 kb Sanchez David Jun 27, 2008 Edit | Remove
File LACr236237584_lacCalib_LoNegScatter.png 8 kb Sanchez David Jun 27, 2008 Edit | Remove
File PEDr236237584_lacCalib_LoNegScatter.png 7 kb Sanchez David Jun 27, 2008 Edit | Remove
Text File r236237584_lacCalib_LoNeg.lac_fit.log.txt 96 kb Sanchez David Jun 27, 2008 Edit | Remove
Text File r236237584_lacCalib_LoNeg.lac_fit.txt 40 kb Sanchez David Jun 27, 2008 Edit | Remove
File r236237584_lacCalib_LoNeg.png
LAC NEG thresholds
The mean value is peaked at 2 MeV. The temperatures appear not to be uniform across the CALs.
LAC distribution per CDE
! LACr236237584_lacCalib_LoNegScatter.png!
There are a few outliers in the distribution. The 5 extreme ones are:
;twr lyr col face lac errlac pedDrift lacMeV fitstat chi2 mev_slope mev_offset 3 5 0 1 58.282 0.415033 16.2735 1.46938 0 158.513 0.034978 0 6 7 4 1 53.7911 0.486254 -27.3711 2.61902 0 196.398 0.032269 0
The LAC is well-defined, with sufficient statistics, so the threshold is real and might need to be corrected.
Pedestal drifts