Gen01: Q2 = 0.5



Extraction of GEn from Data
Quantity Person Date Value Uncertainty
Pt Paul 11/27 various  
Pb Marko Done various 1.1% (relative)
p.f. Nikolai Done 52.7% 3.7% (absolute)
d.f. Hongguo 11/27 various  
AVed(data) Frank 11/27    
AVed (MC) Hongguo Done various -
Extraction Hongguo 11/27    
Run Selection
All
11/27


 
 
Corrections
Quantity Person Date Value Uncertainty
proton contamination Nikolai done
25 ppm in AVed  -
charge exchange in Pb Marko 11/27    
pi0 production in Pb Marko 12/4    
accidentals Frank 11/20
   
radiative corrections(ext) Hongguo 11/20    
radiative corrections(int) Hongguo done
0.93% overall  0.48% 
4K shield Contributions Nikolai done 2.66% in d.f. 0.53% in d.f.
 
 
Uncertainties
Quantity Person Date Value Uncertainty
Beam Charge Asymmetry Glen done - 20 ppm in raw asymmetry
Cut Dependence Hongguo 11/27 -  
Kinematic Uncertainty Hongguo 11/27 -  
GMn Jürg done - 1.7% in GEn 
Target Field Angle
Hongguo
11/20
-



 
Glen Warren 2002-11-13