Description: The Intense Pulsed Neutron Source (IPNS) facility has been in operation since November 1, 1981. From that date through August 1, 1983, the accelerator system was scheduled for 7191 hours of operation. During this period, 627 million pulses totaling about 1.1 x 10/sup 21/ protons were delivered to the spallation target. The accelerator has exceeded goals set in 1981 by averaging 8.65 ..mu..A over this two year period. This average beam current, while modest by the standards of proposed machines, makes the IPNS synchrotron (Rapid Cycling Synchrotron (RCS)) the highest intensity proton synchrotron in the world today. Detailed data on accelerator operation are presented. Weekly average currents of 12 ..mu..A have been achieved along with peaks of 13.9 ..mu..A. A great deal has been learned about the required operating constraints during high beam current operation. It should be possible to increase the average beam current during this next year to 12 ..mu..A while observing these restraints. Improvement plans have been formulated to increase the beam current to 16 ..mu..A over the next three years.
Date: January 1, 1983
Creator: Potts, C.W.; Brumwell, F.R. & Stipp, V.F.
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