Longitudinal beam-transfer-function measurements at the SLC damping rings

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A longitudinal single-bunch instability in the damping rings at the Stanford Linear Collider (SLC) is thought to contribute to pulse-to-pulse orbit variations in downstream accelerator sections. To better understand this instability, the authors measured the beam phase and bunch length under harmonic modulations of the rf phase and rf voltage. For small phase-modulations the measured response can be explained by interaction of the beam with the cavity fundamental mode. For larger excitations, they observed bifurcation and hysteresis effects. The response to an rf voltage modulation revealed two peaks near the quadrupole-mode frequency, one of which appears to be related to … continued below

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5 p.

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Minty, M. G. & Zimmermann, F. May 1, 1997.

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Description

A longitudinal single-bunch instability in the damping rings at the Stanford Linear Collider (SLC) is thought to contribute to pulse-to-pulse orbit variations in downstream accelerator sections. To better understand this instability, the authors measured the beam phase and bunch length under harmonic modulations of the rf phase and rf voltage. For small phase-modulations the measured response can be explained by interaction of the beam with the cavity fundamental mode. For larger excitations, they observed bifurcation and hysteresis effects. The response to an rf voltage modulation revealed two peaks near the quadrupole-mode frequency, one of which appears to be related to the longitudinal instability. In this paper they present the experimental results.

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5 p.

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INIS; OSTI as DE97008422

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  • 17. IEEE particle accelerator conference, Vancouver (Canada), 12-16 May 1997

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  • Other: DE97008422
  • Report No.: SLAC-PUB--7467
  • Report No.: CONF-970503--211
  • Grant Number: AC03-76SF00515
  • Digital Object Identifier: https://doi.org/10.2172/521623
  • Office of Scientific & Technical Information Report Number: 521623
  • Archival Resource Key: ark:/67531/metadc696841

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Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • May 1, 1997

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  • Aug. 14, 2015, 8:43 a.m.

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  • Nov. 1, 2021, 7:04 p.m.

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Minty, M. G. & Zimmermann, F. Longitudinal beam-transfer-function measurements at the SLC damping rings, report, May 1, 1997; Menlo Park, California. (https://digital.library.unt.edu/ark:/67531/metadc696841/: accessed June 29, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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