Mattione Update 04212014

Skim Standard Cuts

• Combined tracking confidence level (FOM) must be >= 0.001
• Combined PID confidence level (FOM) must be >= 0.001
• VERY loose cuts around invariant/missing mass peaks (keep enough data around peak to do sideband subtraction if desired)

Proposed Skims

• Note: "MM" is short for missing mass, "MMS" for missing mass squared, and "IM" for invariant mass

Channel	Topology	Mass Peak Cuts	% of Events Remaining
2π	γp→π+π-p	-0.02 < MMS < 0.02
3π	γp→π+π-π+(n)	0.3 < MM < 1.6
3π	γp→π+π-π0p π0→γγ	-0.02 < MMS < 0.02 0.1 < π0 IM < 0.17
4π	γp→π+π-π+π-(p)	0.3 < MM < 1.6
5π	γp→π+π-π+π-π0(p) π0→γγ	0.3 < MM < 1.6 0.1 < π0 IM < 0.17
ωππ	γp→ωπ+π-(p) ω→π+π-π0 π0→γγ	0.1 < π0 IM < 0.17 0.5 < ω IM < 1.0 -0.02 < MMS < 0.02