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This commit fixes the FTS cut so that it returns 1 when the event is flagged as
failing the cut. Previously, the function returned the following:
not enough PMT pairs: 0 (fail)
median time > 6.8 ns: 0 (fail)
otherwise: 1 (pass)
This had two issues: the return value wasn't consistent with the rest of the
data cleaning cuts and it should pass if there aren't enough PMT pairs.
Now, I fixed the not enough PMT pairs case and made the return value consistent
with the rest of the data cleaning cuts:
not enough PMT pairs: 0 (pass)
median time > 6.8 ns: 1 (fail)
otherwise: 0 (pass)
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This commit fixes two small bugs in the plotting scripts. First, after the HDF5
commit I wasn't correctly computing the particle ID string which I had been
using before which was needed in order to plot things correctly. Second, I
realized that the dataframe groupby function first() actually selects the first
non-null column from each group! What I really wanted was the first row from
each group, so all instances of .first() were updated to .nth(0).
See https://stackoverflow.com/questions/20067636/pandas-dataframe-get-first-row-of-each-group.
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- apply muon follower and muon cuts to atmospheric sample
- print warnings in red
- fix how events with fmin = nan are counted
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Tidy up the code in the script by creating a function to plot the energy
distributions for each particle combo. Also fixed a bug which was causing the
neutron follower cut not to be applied.
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This commit is a major update to the plot-energy script. The most significant
changes are:
- new prompt event selection
We now define prompt events as any event >= 100 nhit which is at least 250
ms away from the last 100 nhit event.
- add Michel electron event selection.
Michel electrons are now selected as any event between 800 ns and 20
microseconds after a muon or prompt event. Additionally they are required
to be >= 100 nhit and pass an extra set of data cleaning cuts (compared to
the prompt events).
- add an atmospheric "sideband"
I also updated the script to plot the energy distribution and particle ID
for all events that *do* have a neutron follower as a kind of sideband
which should contain only atmospheric events.
- plot muon energy spectrum and angular distribution
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