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B-Field in Simulation [message #4852]

Thu, 09 August 2007 15:10

Tobias Stockmanns
Messages: 489
Registered: May 2007

first-grade participant

From: *ikp.kfa-juelich.de

Dear Developers,

I try to use a B-field within the PandaRoot simulation. I tried to follow the description on the WIKI page created by George. But it seems that the code on the Wiki page is not the same as in CVS. In addition there are more ways to create a B-field in PandaRoot as only by a map. Can somebody who is familiar with the topic either update the Wiki page or CVS?

This would be very kind.

Tobias

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Re: B-Field in Simulation [message #4853 is a reply to message #4852]

Thu, 09 August 2007 15:16

StefanoSpataro
Messages: 2736
Registered: June 2005
Location: Torino

first-grade participant

From: *physik.uni-giessen.de

Hi,
indeed in the wiki page it is written "Old instructions, they need to be updated" Smile

In each case, if you go in macro/run there is a PandaField.C macro that maybe can help you.

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Re: B-Field in Simulation [message #4854 is a reply to message #4852]

Thu, 09 August 2007 16:09

Jens Sören Lange
Messages: 193
Registered: June 2005

first-grade participant

From: *physik.uni-giessen.de

Hi Tobias, the reason for the change was:
a.) George's field maps were quite large.
just to give numbers: a compressed tar file (e.g. rev 246)
was 118 MB compared to nowadays 16.2 MB.
b.) these "official" field maps are maintained together with the GSI integration group (current version of March 2007)
c.) there is a correct description (i.e. adding of B fields) of the field in the transition region between the solenoid and the dipole.
(and it was O.K. for George that we did the change).
best regards, Soeren

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