Direct photons

1. Photon purity with parametrized MC single particle responses , Photon meeting, October 10, 1996
2. Photon purity versus e_T for Run 1A based only on electron calibration.
3. Photon purity versus e_T for Run 1A
4. Dependence of log(-log10(em1/emtot)) versus Zvtx, e_T, eta and eta_D.