A new trajectory correction technique for linacs

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In this paper, we describe a new trajectory correction technique for high energy linear accelerators. Current correction techniques force the beam trajectory to follow misalignments of the Beam Position Monitors. Since the particle bunch has a finite energy spread and particles with different energies are deflected differently, this causes chromatic'' dilution of the transverse beam emittance. The algorithm, which we describe in this paper, reduces the chromatic error by minimizing the energy dependence of the trajectory. To test the method we compare the effectiveness of our algorithm with a standard correction technique in simulations on a design linac for a … continued below

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3 pages

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Raubenheimer, T. O. & Ruth, R. D. June 1, 1990.

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Description

In this paper, we describe a new trajectory correction technique for high energy linear accelerators. Current correction techniques force the beam trajectory to follow misalignments of the Beam Position Monitors. Since the particle bunch has a finite energy spread and particles with different energies are deflected differently, this causes chromatic'' dilution of the transverse beam emittance. The algorithm, which we describe in this paper, reduces the chromatic error by minimizing the energy dependence of the trajectory. To test the method we compare the effectiveness of our algorithm with a standard correction technique in simulations on a design linac for a Next Linear Collider. The simulations indicate that chromatic dilution would be debilitating in a future linear collider because of the very small beam sizes required to achieve the necessary luminosity. Thus, we feel that this technique will prove essential for future linear colliders. 3 refs., 6 figs., 2 tabs.

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3 pages

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NTIS, PC A02/MF A01; OSTI; INIS; GPO Dep.

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  • 2. European particle accelerator conference, Nice (France), 11-16 Jun 1990

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  • Other: DE90013584
  • Report No.: SLAC-PUB-5279
  • Report No.: CONF-900603--8
  • Grant Number: AC03-76SF00515
  • Office of Scientific & Technical Information Report Number: 6778712
  • Archival Resource Key: ark:/67531/metadc1193458

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Office of Scientific & Technical Information Technical Reports

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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  • June 1, 1990

Added to The UNT Digital Library

  • July 2, 2018, 10:52 p.m.

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  • Sept. 14, 2021, 8:39 a.m.

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Raubenheimer, T. O. & Ruth, R. D. A new trajectory correction technique for linacs, article, June 1, 1990; Menlo Park, California. (https://digital.library.unt.edu/ark:/67531/metadc1193458/: accessed March 19, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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