Difference between revisions of "Mattione Update 04212014"
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! ωππ | ! ωππ | ||
− | | γp→ωπ<sup>+</sup>π<sup>-</sup>(p), ω→π<sup>+</sup>π<sup>-</sup>π<sup>0</sup>, π<sup>0</sup>→γγ || 0.1 < π<sup>0</sup> IM < 0.17 | + | | γp→ωπ<sup>+</sup>π<sup>-</sup>(p), ω→π<sup>+</sup>π<sup>-</sup>π<sup>0</sup>, π<sup>0</sup>→γγ || 0.1 < π<sup>0</sup> IM < 0.17 <br> 0.5 < ω IM < 1.0, -0.02 < MMS < 0.02 || |
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Revision as of 13:22, 14 April 2014
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 | |
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 |