Abstract
The Participant Calorimeter for Experiment 814 at BNL is a lead-scintillator sampling calorimeter. The response of the calorimeter to beams of e, μ, π and p from 1.56 to 6.8 GeV/ c is presented. The design and performance of two gain monitoring systems are described, one system measures the response of single scintillator plates in the calorimeter. The calorimeter electromagnetic energy resolution varies from 24 to 32% √E for different towers. For hadron energies over 5 GeV the σ h/ E = 43±3%/√ E, and e/h = 1.02±0.07.
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