Two Photon Clusters (Pi0) 

Energy Dependence  Day 79-Day 98 (>300 Runs)

• Two Tracks N12==2
• .07 GeV<M12<.27 GeV
• 3.25<eta<4.05
• Jet II Trigger only
• abs(Cos(Phi))>.5

Left: Events passing cuts North: Red   South: Black

Right; Blue: Cross Ratio blue

          Yellow: Cross Ratio yellow

          Black: AN South
          Red: AN North

Energy dependence of ANN=(uu+dd-ud-du)/(uu+dd+ud+du)

         Black: ANN South
         Red: ANN North

One Photon Clusters

Energy Dependence 

• One Tracks N12==1
• 3.25<eta<4.05
• Jet II Trigger only
• abs(Cos(Phi))>.5

Left: Events passing cuts North: Red   South: Black

Right; Blue: Cross Ratio blue

          Yellow: Cross Ratio yellow

          Black: AN South
          Red: AN North

Now looking at the source of the yellow Cross Ratio AN.

The following figure shows AN (yellow) for 

North: red

South: black