[Clas12_verystrange] New PID text

Eugene Pasyuk pasyuk at jlab.org
Thu Mar 28 17:35:17 EDT 2013


I think it should be incorporated into section VI.A. Fig.21 there is related to PID. Kaon mass spectrum with pion contamination will add to this. New figures of signal and background replace Fig 22,23. 

-Eugene

----- Original Message -----
> From: "Lei Guo" <lguo at jlab.org>
> To: "clas12 verystrange" <clas12_verystrange at jlab.org>
> Sent: Thursday, March 28, 2013 5:36:38 PM
> Subject: Re: [Clas12_verystrange] New PID text
> 
> Hi, Michael,
> 
> Should this be added to the Omega_expriment part of the texts?
> 
> Lei
> On Mar 28, 2013, at 5:24 PM, Michael Dugger wrote:
> 
> >
> > Hi,
> >
> > I changed the mass limits that define the charged kaons. Now the
> > mass
> > range for the charged kaons is about as large as one should
> > reasonably go.
> >
> > The resulting signal to background is not as good as before, but
> > still
> > seams managealbe to me. The loss of signal events due to the PID is
> > now
> > 23% (instead of the 39% when using the tighter kaon ID mass cuts).
> >
> > The pdf of the text can be found at
> > https://userweb.jlab.org/~dugger/vs/pid.pdf
> >
> > The tex source is in a tar file at
> > https://userweb.jlab.org/~dugger/vs/pid.tar
> >
> > Take care,
> > Michael
> >
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