Electrostatic spherical mirror analyzer with a position-sensitive detector for electron coincidence spectroscopy

Abstract

The well-known electrostatic energy analyzer of charged particles, so-called 'Spherical Mirror Analyzer' (SMA) has been examined. A new regime of its working is found, very suitable for coincidence spectroscopy. Angular distribution of the particles emitted from the point source is recorded simultaneously on the surface of a position sensitive detector (PSD), while energy resolution, not worse than 0.1%, is achieved due to the dependence of the time of flight of the particles on their energy.