[Clas12_verystrange] Omega-

Lei Guo lguo at jlab.org
Fri Feb 24 14:04:11 EST 2012


Hi, Michael,

If I understand this correctly, this new plot shows a background that  
includes both actual background that has K+K+K0, and background that  
have pions/protons misidentified as kaons, correct?

Thanks!

Lei
On Feb 24, 2012, at 11:32 AM, Michael Dugger wrote:

>
> Hi,
>
> I have generated ~100 million background events and blended them  
> with an Omega- signal, and want to see if the plot I get seems  
> reasonable.
>
> The plot OmegaMbranch.gif is attached and shows the relative amount  
> of background to be expected when a K+ K+ and K0 is seen (the K0 is  
> reconstructed from a pi+ pi- pair). I have put in a PID scheme, but  
> do not approximate the Cerenkov counter response. The PID is only  
> from beta and momentum information.
>
> Thanks for your time.
>
> Take care,
> Michael 
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