Techniques of Stochastic Cooling

This report starts with a short presentation of the basic stochastic cooling concepts in the radio-frequency and microwave range. Techniques for longitudinal and transverse beam cooling are discussed with emphasis on technological aspects. Since pick-ups and kickers are vital elements in all stochastic cooling systems and often pose limiting constraints on the system performance, a short review of different pick-up and kicker structures will be included. Also several examples of systems that are in operation or were used in the past, both for high energy and low energy beams, are presented. For future machines, there is considerable interest in fast cooling of moderate and highly charged ion beams of low momentum.