Driven response of a trapped particle beam

T. Satogata, T. Chen, B. Cole, D. Finley, A. Gerasimov, G. Goderre, M. Harrison, R. Johnson, I. Kourbanis, C. Manz, N. Merminga, L. Michelotti, S. Peggs, F. Pilat, S. Pruss, C. Saltmarsh, S. Saritepe, R. Talman, C. G. Trahern, G. Tsironis

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)

Abstract

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 models single parameter, the island tune QI of small oscillations, is inferred as the central frequency of resonant detrapping under this weak drive.

Original languageEnglish
Pages (from-to)1838-1841
Number of pages4
JournalPhysical Review Letters
Volume68
Issue number12
DOIs
Publication statusPublished - Jan 1 1992

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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