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Re: Vertex fitter(s) and B field setting in pandaroot release. [message #17849 is a reply to message #17843] Fri, 06 February 2015 15:23 Go to previous messageGo to previous message
Ralf Kliemt is currently offline  Ralf Kliemt
Messages: 499
Registered: May 2007
Location: GSI, Darmstadt
first-grade participant

From: *gsi.de
Hi Elisabetta,

The line
RhoCalculationTools::ForceConstantBz(20.0);

tells the analysis framework (Rho) to assume an artificial, constant B-field. Every fitter which needs the B-field (i.e. all vertexers!) will see the constant B_z, if enabled. I would not recommend using it unless you don't have your magnetic field parameter file on hand.


I strongly encourage to use the very same field settings in the whole chain of processing. Which one to pick, Stefono should tell you.

Cheers
Ralf
 
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