[Halld-physics] New CDC dE/dx Cut

[Reinhard Schumacher]

Hi Paul,

It looks like this piece of code applies dE/dx cuts to positive tracks 
only.   Student Viren Bajaj and I are interested in separating out the 
anti-protons from the negative pions.  We changed our own code to do 
this, but now we have to again change your new code.   Is there some 
reason your version does not act on negative particles, and if not, can 
you have it treat positive and negative tracks equally?

Reinhard

____________________________________________________________________
Reinhard Schumacher         Department of Physics, 5000 Forbes Ave.
Carnegie Mellon University, Pittsburgh, PA 15213, U.S.A.
phone: 412-268-5177         web: www-meg.phys.cmu.edu/~schumach
____________________________________________________________________

On 7/20/16 11:51 PM, Paul Mattione wrote:
> Hey guys, Justin found a bug in my CDC dE/dx custom action: It was accidentally cutting some fast protons.  A fixed version (with very loose cuts) can be found at:
>
> https://halldsvn.jlab.org/repos/trunk/home/pmatt/plugins/klambda/DCustomAction_dEdxCut.cc
>
> If you’re cutting on the CDC dE/dx in JANA, please make sure to use the updated code.  Thanks.
>
>   - Paul
>
>
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