Difference between revisions of "Mattione Update 04212014"

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(Proposed Exclusive Skims)
(Proposed Inclusive Skims)
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! ω
 
! ω
 
| &gamma;p&rarr;&omega;X <br> &omega;&rarr;&pi;<sup>+</sup>&pi;<sup>-</sup>&pi;<sup>0</sup> <br> &pi;<sup>0</sup>&rarr;&gamma;&gamma; || 0.5 < &omega; IM < 1.0 <br> 0.1 < &pi;<sup>0</sup> IM < 0.17 ||  
 
| &gamma;p&rarr;&omega;X <br> &omega;&rarr;&pi;<sup>+</sup>&pi;<sup>-</sup>&pi;<sup>0</sup> <br> &pi;<sup>0</sup>&rarr;&gamma;&gamma; || 0.5 < &omega; IM < 1.0 <br> 0.1 < &pi;<sup>0</sup> IM < 0.17 ||  
}
+
|-
 +
! &eta;'
 +
| &gamma;p&rarr;&eta;X <br> &eta;&rarr;&gamma;&gamma; || 0.3 < &eta; IM < 0.8 ||
 +
|}

Revision as of 17:23, 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 Exclusive 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
γp→π+π-p -0.02 < MMS < 0.02
γp→π+π-π+(n) 0.3 < MM < 1.6
γp→π+π-π0p
π0→γγ
-0.02 < MMS < 0.02
0.1 < π0 IM < 0.17
γp→π+π-π+π-(p) 0.3 < MM < 1.6
γp→π+π-π+π-π0(p)
π0→γγ
0.3 < MM < 1.6
0.1 < π0 IM < 0.17
γp→π+π-π+π-π+(n) 0.3 < MM < 1.6
ω γp→ωp
ω→π+π-π0
π0→γγ
-0.02 < MMS < 0.02
0.5 < ω IM < 1.0
0.1 < π0 IM < 0.17
ωπ γp→ωπ+(n)
ω→π+π-π0
π0→γγ
0.3 < MM < 1.6
0.5 < ω IM < 1.0
0.1 < π0 IM < 0.17
ωππ γp→ωπ+π-(p)
ω→π+π-π0
π0→γγ
0.3 < MM < 1.6
0.5 < ω IM < 1.0
0.1 < π0 IM < 0.17
η γp→ηp
η→γγ
-0.02 < MMS < 0.02
0.3 < η IM < 0.8
ηπ γp→ηπ0(p)
η→γγ
π0→γγ
0.3 < MM < 1.6
0.3 < η IM < 0.8
0.1 < π0 IM < 0.17
ηπ γp→ηπ+(n)
η→γγ
0.3 < MM < 1.6
0.3 < η IM < 0.8
ηππ γp→ηπ+π-(p)
η→γγ
0.3 < MM < 1.6
0.3 < η IM < 0.8
η3π γp→ηπ+π-π+(n)
η→γγ
0.3 < MM < 1.6
0.3 < η IM < 0.8
η3π γp→ηπ+π-π0(p)
η→γγ
π0→γγ
0.3 < MM < 1.6
0.3 < η IM < 0.8
0.1 < π0 IM < 0.17
η4π γp→ηπ+π-π+π-(p)
η→γγ
0.3 < MM < 1.6
0.3 < η IM < 0.8
ηηππ γp→ηηπ+π-(p)
η→γγ (Both)
0.3 < MM < 1.6
0.3 < η IM < 0.8 (Both)
η' γp→η'p
η'→π+π-η
η→γγ
-0.02 < MMS < 0.02
0.7 < η' IM < 1.2
0.3 < η IM < 0.8


Proposed Inclusive 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
η γp→ηX
η→γγ
0.3 < η IM < 0.8
ω γp→ωX
ω→π+π-π0
π0→γγ
0.5 < ω IM < 1.0
0.1 < π0 IM < 0.17
η' γp→ηX
η→γγ
0.3 < η IM < 0.8