Single photon reconstruction efficiency
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Comparison of single photon reconstruction efficiency as a function of generated polar angle between old and new detector design. Photons were generated in full azimuth from the center of the target with energies from 0.05 to 5.0 GeV (in steps of 100 MeV). MC information provided that the single cluster was reconstructed from the photon that did not convert before the FCAL.
Comparison between the FDC option 1 and option 2 of new design.