Vm. Aulchenko et al., DETECTOR KEDR TAGGING SYSTEM FOR 2-PHOTON PHYSICS, Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment, 379(3), 1996, pp. 360-362
A special system to tag scattered electrons from gamma gamma-processes
is described. The system is intended for the experiments at the VEPP-
4M storage ring. This system has a high detection efficiency and good
invariant mass resolution.