[Clas12_verystrange] PID text

Michael Dugger dugger at jlab.org
Thu Mar 28 16:17:43 EDT 2013


Hi,

I performed a PID study using 2 billion background events and 1 million 
Omega events. I have the text of the PID study 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

Conclusion: The signal to background for the Omega signature, where 
we require K+ K+ K0 pi-, remains manageable, but we lose 39% of our events. 
Overall, this does not seem so bad. If we had a good handle on the 
Cerenkov response, we probably would have had a much more favorable 
result.

Take care,
Michael



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