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The wide range of beam intensities to be used in the Low Energy Antiproton Ring (LEAR) has required the development of new instrumentation. For the measurement of injection and transfer trajectories and beam shape new secondary emission grids and electronics have been developed. They cover the range from 108 to 1014 particles satisfying both the LEAR and LINAC requirements. For closed orbit position measurement, an electrostatic pick-up system has been designed for bunched beams from 107 to 5 Ã 1011 p or pÂ¿ . This paper briefly describes both these developments.
Date of Publication: Aug. 1983