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Home » Analysis and Reconstruction » Tracking & Vertexing » calo TrackState along wrong track direction...?
calo TrackState along wrong track direction...? [message #2351] Fri, 16 January 2015 01:26 Go to previous message
jeans
Messages: 22
Registered: November 2012
I have a single 17GeV electron in ILD, which make a nice track with TPC, vtx, sit, etd hits.

I'm interested about it's state at the calorimeter, so I use getTrackState( TrackState::AtCalorimeter ).

This track state occasionally seems to be at the wrong intersection of the helix with the calorimeter, as if the particle goes the wrong way along the trajectory.

Using the TrackState AtLastHit seems OK.

I'm using MarlinReco v01-08

Are there anythings I can test to clarify the situation?
Thanks,
Daniel.
 
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