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2006 EEMC Neutral Pions: Background-subtraction Troubleshooting

Updated on Wed, 2012-11-21 16:34. Originally created by drach09 on 2012-11-16 17:50.

Figure 1: Asymmetries by Yield Contributions

Total Yield
Signal
Background
Off-Peak Yield (0.2 < mγγ < 6 GeV/c2)

 

Figure 2: p0's by Yield Contributions

Total Yield
Signal
Background
Off-Peak Yield (0.2 < mγγ < 6 GeV/c2)

 

Figure 3: Total Yield xF Bin Fits

xF > 0 Bin 1
xF > 0 Bin 2
xF > 0 Bin 3
xF < 0 Bin 1
xF < 0 Bin 2
xF < 0 Bin 3

 

Figure 4: Signal Yield xF Bin Fits

xF > 0 Bin 1
xF > 0 Bin 2
xF > 0 Bin 3
xF < 0 Bin 1
xF < 0 Bin 2
xF < 0 Bin 3

 

Figure 5: Background Yield xF Bin Fits

xF > 0 Bin 1
xF > 0 Bin 2
xF > 0 Bin 3
xF < 0 Bin 1
xF < 0 Bin 2
xF < 0 Bin 3

 

Figure 6: Off-peak Yield xF Bin Fits

xF > 0 Bin 1
xF > 0 Bin 2
xF > 0 Bin 3
xF < 0 Bin 1
xF < 0 Bin 2
xF < 0 Bin 3

 

Figure 7: Signal Fractions in Spin-4 Bins

Spin4 = 5 (blue "down," yellow "down") Spin4 = 6 (blue "down" yellow "up")
Spin4 = 9 (blue "up," yellow "down") Spin4 = 10 (blue "up," yellow "up")

 

Figure 8: Conversion Fractions in Spin-4 Bins

Spin4 = 5 (blue "down," yellow "down") Spin4 = 6 (blue "down," yellow "up")
Spin4 = 9 (blue "up," yellow "down") Spin4 = 10 (blue "up," yellow "up")

 

Figure 9: "Other" Fractions in Spin-4 Bins

Spin4 = 5 (blue "down," yellow "down") Spin4 = 6 (blue "down," yellow "up")
Spin4 = 9 (blue "up," yellow "down") Spin4 = 10 (blue "up," yellow "up")

 

Figure 10: χ2 Distributions for Mass Fits

xF Bins
pT Bins
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