Photon Reconstruction in b1pi events

FCAL

Thrown photons

Reconstructed photons

Good photons

These are the reconstructed photons whose angles match up with the thrown photons: $|\theta _{{recon}}-\theta _{{thrown}}|<0.2^{\circ }\&\&|\phi _{{recon}}-\phi _{{thrown}}|<3.5^{\circ }$