Calibrating the Prototype Calorimeter for the GAMMA-400 γ-Ray Telescope on the Positron Beam at the Pakhra Accelerator

A prototype of the electromagnetic calorimeter for the GAMMA-400 gamma-ray telescope has been calibrated at the Pakhra S-25R electron synchrotron of the Lebedev Physical Institute. The measured energy resolution of the GAMMA-400 calorimeter is consistent with the results of the Monte Carlo simulation. The applicability of the Pakhra S-25R accelerator for calibrating detectors in various experiments has been confirmed.

Automated summary

The prototype of the electromagnetic calorimeter for the GAMMA-400 gamma-ray telescope was calibrated at the Pakhra S-25R electron synchrotron, and its energy resolution was found to be consistent with Monte Carlo simulation results. The suitability of the Pakhra S-25R accelerator for calibrating detectors in various experiments has been confirmed.