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Re: Geane crashes in PndPidCorrelator [message #10355 is a reply to message #10336]

Sun, 07 March 2010 16:31

Jens Sören Lange
Messages: 193
Registered: June 2005

first-grade participant

From: *web.vodafone.de

Hi all, a short update.

Martin identified the event which crashed Geane.

N Id Ist M1 M2 DF DL px py pz E t
x y z
0 443 2 -1 -1 1 3 0.00000000 -0.00000000 4.06565876
5.11079103 0.00000000 0.00000000 0.00000000 0.00000000
1 -11 1 0 0 -1 -1 -0.87957973 -0.34001792 0.31825857
0.99526954 0.00000000 0.00000000 -0.00000000 0.00000000
2 11 1 0 0 -1 -1 1.11174623 0.42895594 3.66460233
3.85347809 0.00000000 0.00000000 -0.00000000 0.00000000
3 22 1 0 0 -1 -1 -0.23216651 -0.08893803 0.08279787
0.26204340 0.00000000 0.00000000 -0.00000000 0.00000000

There is nothing particular in it.

Even more, if one processes it again (Martin tried 5x),
then suddenly it does not crash Geane anymore.

So, a preliminary conclusion:

1.) Tracks with muons seem _not_ to crash Geane.
2.) Tracks with electrons seem _not_ to crash Geane,
if photos is switched off in EvtGen.
3.) Tracks with electrons seem to crash Geane,
if photos is switched on in EvtGen.
4.) The crashes in Geane seem to have a non-deterministic
component. If the event is re-processed, then the Crash
might not occur again.

(These observations are surprising).

Soeren and Martin

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[Message index]

		Geane crashes in PndPidCorrelator By: Jens Sören Lange on Thu, 04 March 2010 12:18
		Re: Geane crashes in PndPidCorrelator By: Anonymous Poster on Thu, 04 March 2010 12:27
		Re: Geane crashes in PndPidCorrelator By: Jens Sören Lange on Thu, 04 March 2010 17:32
		Re: Geane crashes in PndPidCorrelator By: Jens Sören Lange on Sun, 07 March 2010 16:31
		Re: Geane crashes in PndPidCorrelator By: StefanoSpataro on Sun, 07 March 2010 16:57
		Re: Geane crashes in PndPidCorrelator By: Jens Sören Lange on Sun, 07 March 2010 19:31

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