Published March 23, 1992 | Version v1
Journal article

Driven response of a trapped particle beam

  • 1. Physics Department, University of North Texas, Denton, Texas 76203 (United States)
  • 2. Stanford Linear Accelerator Center, Stanford, California 94305 (United States)
  • 3. Brookhaven National Laboratory, Upton, New York 11973 (United States)
  • 4. SCC Laboratory, Dallas, Texas 75237 (United States)
  • 5. Newman Laboratory of Nuclear Studies, Cornell University, Ithaca, New York 14853 (United States)
  • 6. Fermi National Accelerator Laboratory, Batavia, Illinois 60510 (United States)

Description

The dynamics of a metastable beam of particles ''injected'' into artificially excited resonance islands in the Fermilab Tevatron is studied. Evolution of the captured beam distribution is measured by an externally detectable coherent signal. Dynamical partitions observed in the control space of amplitude and tune of a focusing modulation are consistent with an equivalent mode of an ensemble of driven gravity pendula. The model's single parameter, the island tune QI of small oscillations, is inferred as the central frequency of resonant detrapping under this weak drive

Additional details

Publishing Information

Journal Title
Physical Review Letters
Journal Volume
68
Journal Issue
12
Journal Page Range
p. 1838-1841.
ISSN
0031-9007
CODEN
PRLTAO