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This commit updates the ev.nhit variable to represent the total number of
normal PMTs hit in the event, regardless of if the calibration failed. I added
a new variable ev.nhit_cal which now stores the total number of normal PMTs hit
without any flags.
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This commit adds a field to the pmt_hit struct called best_uncal_q which
represents the best ECA calibrated charge (in units of QHS counts above
pedestals). This is then used in the muon data cleaning cut.
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This commit updates the likelihood to use the multiphoton PCA time instead of
the usual pt time. When looking at the reconstruction of muons in run 10,000 I
noticed that the PMT hit times for the PMTs which had really high charge was
all over the place. There were PMTs that were very close to each other with hit
times differing by ~ 20 ns. I'm still not entirely sure what causes this (is
it some hardware issue with the discriminator or is it a problem with the
charge walk correction which always assumes a single PE?), but the multiphoton
PCA times looked a lot more reasonable.
Eventually I need to look into the ptms variable which is the multiphoton PCA
transit time RMS.
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Small update to the flasher cut to use the non-walk corrected time instead of
just the ECA calibrated time.
Also added some comments to the variables in the event structure.
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This commit adds the following data quality cuts used in SNOMAN:
- neck
- qvnhit
- crate isotropy
- junk
Still need to test these.
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