DRIVEN RESPONSE OF A TRAPPED-PARTICLE BEAM

被引:18
作者
SATOGATA, T
CHEN, T
COLE, B
FINLEY, D
GERASIMOV, A
GODERRE, G
HARRISON, M
JOHNSON, R
KOURBANIS, I
MANZ, C
MERMINGA, N
MICHELOTTI, L
PEGGS, S
PILAT, F
PRUSS, S
SALTMARSH, C
SARITEPE, S
TALMAN, R
TRAHERN, CG
TSIRONIS, G
机构
[1] FERMI NATL ACCELERATOR LAB, BATAVIA, IL 60510 USA
[2] CORNELL UNIV, NEWMAN LAB NUCL STUDIES, ITHACA, NY 14853 USA
[3] SSC LAB, DALLAS, TX 75237 USA
[4] BROOKHAVEN NATL LAB, UPTON, NY 11973 USA
[5] STANFORD UNIV, STANFORD LINEAR ACCELERATOR CTR, STANFORD, CA 94305 USA
[6] UNIV N TEXAS, DEPT PHYS, DENTON, TX 76203 USA
关键词
D O I
10.1103/PhysRevLett.68.1838
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
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 model of an ensemble of driven gravity pendula. The model's single parameter, the island tune Q1 of small oscillations, is inferred as the central frequency of resonant detrapping under this weak drive.
引用
收藏
页码:1838 / 1841
页数:4
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