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bdrum / cern-physics

My analysis workflow
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Track duplicates with only ITS criteria #12

Closed bdrum closed 4 years ago

bdrum commented 4 years ago

I see in my events plenty of duplicated tracks:

There are only in case of ITS selection

((data['T_HasPointOnITSLayer0']) + (data['T_HasPointOnITSLayer1'])) * \
data['T_ITSRefit']  * (np.abs(data['T_NumberOfSigmaITSPion']) < 3)

img

In case of adding TPC criteria looks like (cause of I can't get it) that such tracks will be thrown...

bdrum commented 4 years ago

I've found out two points:

  1. Not only ITS tracks duplicated:

  2. It's really possible to write the same track before and after refitting. So one of the duplicated track will be its standalone, but I not saved...

bdrum commented 4 years ago

ITS standalone parameter has added