Title :
Beam dynamics of cooled heavy ion beams
Author_Institution :
GSI Darmstadt, Germany
Abstract :
Evaluation of the collectively modified Schottky spectra as well as beam transfer functions for Ar/sup 18+/ and Kr/sup 36+/ at 250 and 150 MeV/u, respectively, is in agreement with theoretical predictions. Maximum observed phase space densities are compared with thresholds of the microwave instability and with intrabeam scattering. The conventional Keil-Schnell threshold is exceeded in experiment by a factor of 3, with intrabeam scattering as the main limitation. Implications of these results for a heavy ion fusion driver are discussed.<>
Keywords :
particle beam diagnostics; Keil-Schnell threshold; beam transfer functions; collectively modified Schottky spectra; heavy ion fusion driver; intrabeam scattering; microwave instability; Cooling; Dielectrics; Distribution functions; Electrons; Fluctuations; Ion beams; Noise measurement; Particle beams; Transfer functions; Voltage;
Conference_Titel :
Particle Accelerator Conference, 1991. Accelerator Science and Technology., Conference Record of the 1991 IEEE
Conference_Location :
San Francisco, CA, USA
Print_ISBN :
0-7803-0135-8
DOI :
10.1109/PAC.1991.165009
