Home » PANDA » PandaRoot » Bugs, Fixes, Releases » Reconstruction macro crash
| Re: Reconstruction macro crash [message #11857 is a reply to message #11855] |
Mon, 23 May 2011 13:36   |
Lia Lavezzi
Messages: 291
Registered: May 2007
Location: Torino
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first-grade participant |
From: *pv.infn.it
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Hi Stefano,
actually there is a test to decide whether the track can reach the GEM plane or not with a simple and quick helix extrapolation to the first plane (no GEANE, just math).
In my thoughts that should have been enough to throw away also these pz = 0 tracks, but clearly there is something which goes wrong.
...I was wondering (looking in the log) how is it possible that a track with:
first mom = (0.077671,-0.047670,0.000000)
first pos = (16.552964,0.397360,0.000000)
last mom = (-0.085107,-0.032588,0.000000)
has last pos = (14.075058,-26.674008,-4.163533)...
Gianluigi, this comes from your PR, do you have any idea?
Ciao,
Lia.
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