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Run 0236209517 LAC_MidNeg Temperature 11-15 C

LAC NEG thresholds

The mean value is peaked at 4 MeV. The temperatures appear not to be uniform across the CALs.

LAC distribution per CDE


*Y-axis: LAC threshold in MeV
*X-axis: (tower*96 + layer*12 + Xtal)

There are a few outliers in the distribution. The two extreme ones are:

 
;twr lyr col face lac errlac pedDrift lacMeV fitstat chi2 mev_slope mev_offset
11 5 10 1 144.106 0.510417 -14.5402 4.86377 0 109.845 0.030658 0 
13 4 4 1 72.7489 0.284042 -18.2074 2.83938 0 192.312 0.031217 0  


The LAC is well-defined, with sufficient statistics, so the threshold is real and might need to be corrected.

Pedestal drifts

File with the LAC/Pedestal values

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