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Problems with MVD geometries [message #8463]

Fri, 08 May 2009 10:24

Simone Bianco
Messages: 29
Registered: January 2009

continuous participant

From: *cb.uni-bonn.de

Hi,

I am facing some problems while defining detectors for the forward part of the MVD. If I use a rectangular detector (see the screenshot from the eventdisplay that I am attaching) everything works fine, but if I introduce a trapezoidal detector (as the strips modules must be) the simulation is not storing any hit on this detector. I checked (see trapezoidal.png) and there are particles crossing my detector, however there are no MVD hits. I tryed with different distances from the center of the frame and the only thing making it work is to change the shape of the detector from a trapezoidal to a rectangular one. I also made a check with a circular detector and it is working. So the only shape showing problem seems to be the trapezoidal one.
I attach to this message the .root files with the two different geometry definitions and the macros which I used (runMvdSim.C and eventDisplay.C).
Does anybody have an idea about the reason of this behaviour?

Cheers,

Simone

index.php?t=getfile&id=5315&private=0

Attachment: Rectangular.png
(Size: 2.96KB, Downloaded 906 times)
Attachment: Trapezoidal.png
(Size: 4.04KB, Downloaded 769 times)
Attachment: Example1-Rectangular.root
(Size: 5.68KB, Downloaded 394 times)
Attachment: Example2-Trapazoidal.root
(Size: 5.86KB, Downloaded 392 times)
Attachment: runMvdSim.C
(Size: 2.59KB, Downloaded 358 times)
Attachment: eventDisplay.C
(Size: 3.69KB, Downloaded 385 times)

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[Message index]

		Problems with MVD geometries By: Simone Bianco on Fri, 08 May 2009 10:24
		Re: Problems with MVD geometries By: Ralf Kliemt on Fri, 08 May 2009 14:44
		Re: Problems with MVD geometries By: Tobias Stockmanns on Tue, 12 May 2009 09:47
		Re: Problems with MVD geometries By: Simone Bianco on Tue, 12 May 2009 10:19
		Re: Problems with MVD geometries By: Tobias Stockmanns on Tue, 12 May 2009 10:59
		Re: Problems with MVD geometries By: Simone Bianco on Tue, 12 May 2009 11:09
		Re: Problems with MVD geometries By: Tobias Stockmanns on Tue, 12 May 2009 11:14
		Re: Problems with MVD geometries By: Simone Bianco on Tue, 12 May 2009 11:21
		Re: Problems with MVD geometries By: Tobias Stockmanns on Tue, 12 May 2009 11:36
		Re: Problems with MVD geometries By: Simone Bianco on Tue, 12 May 2009 14:02

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