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Hi,

it assumes beta==1 for the multiple scattering. 

I know where this is set but I haven’t yet thought about if that is the only place you would change that to make it work for a different assumption. 

Maybe someone else has time to think about this, or better, have done this before?

/pelle

On Feb 10, 2015, at 4:11 PM, Graf, Norman A. <[log in to unmask]> wrote:

Hello Sebouh,
 Energy loss is not currently accounted for in the track fit.
Norman
From: [log in to unmask] <[log in to unmask]> on behalf of Sebouh Paul <[log in to unmask]>
Sent: Tuesday, February 10, 2015 11:09 AM
To: hps-software
Subject: reconstruction: does it account for multiple scattering/brehmstralung?
 
I have been looking at the resolution of the SVT for reconstructing the A' invariant mass for muon events, and I have a question about the reconstruction software's internal workings:  does it by default take into account energy loss and multiple scattering due to brehmstralung?  I assume if so, then it is calibrated under the assumption that the particle is an electron.  If this is the case, is there a way to either disable this feature or (better yet) have it make the assumption that the particle is a muon (so that I can get a more accurate measurement of the A' mass resolution)?  

thanks

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