FMS meeting 20100718 - photon upate

Upate on Run 6 FPD Direct Photon A_N Analysis

 

Fig. 0. Prompt phopton (excluding fragmentation) X-section NLO pQCD from Werner (added 07/25/11)

 

 

Fig. 0a. Prompt phopton contribution to total direct photon X-section, NLO pQCD from Werner (added 07/25/11)

 

 

Fig. 1. Energy spectrum for pi0, gamma, and eta for simulation and data

 

FIg. 2. pi0 Zgg comparison, from 45 to 65 GeV in 5 GeV bins

 

FIg. 3. eta Zgg comparison, from 45 to 65 GeV in 5 GeV bins

 

 

Fig. 4. Background fractions for pi0 and eta photons

 

Fig. 5. AN vs. xF

 

Fig. 6. AN, pi0 - gamma