New Transition Radiator-Detector System For Particle Identification At High-Energies

Abstract Transition radiation (TR) from a new low Z radiator of lithium foils was investigated with a xenon gas multiwire proportional chamber. The TR X-ray yield was determined as a function of the Lorentz factor from γ ≈ 1000 to 5600. The particle discrimination properties of the Li-radiator and Xe-detector combination were found superior to those reported with other TR detectors.