A new structure of linear collider

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A new scheme is proposed for the muon collider cooling RF, on which the cavity is almost a simple pillbox. The principle is to divide the accelerating cells into three separate channels with a phase difference of 2{pi}/3 between each other. A special structure is designed in which each channel is like a side-coupled cavity structure operating at {pi}/2-mode, but an extra phase shift of {pi} is introduced so that the phase difference between two cells is 2{pi}. Therefore, the beam sees a 2{pi}/3-mode implying a high interaction between cavities and beam, while the RF system sees a {pi}/2-mode implying ... continued below

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3 p.

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Zhao, Y. July 1, 1998.

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Description

A new scheme is proposed for the muon collider cooling RF, on which the cavity is almost a simple pillbox. The principle is to divide the accelerating cells into three separate channels with a phase difference of 2{pi}/3 between each other. A special structure is designed in which each channel is like a side-coupled cavity structure operating at {pi}/2-mode, but an extra phase shift of {pi} is introduced so that the phase difference between two cells is 2{pi}. Therefore, the beam sees a 2{pi}/3-mode implying a high interaction between cavities and beam, while the RF system sees a {pi}/2-mode implying a high stability. In other words, it combines the advantages of both traveling wave and standing wave. The mechanical structure is also simple and compact because the side-coupled cavity is formed by a uniform rectangular-like waveguide, which is simply an arc section attached on the main cavities. The principle and the preliminary simulation are addressed in detail. This principle is also applicable for a 2{pi}/4 mode and other machine provided the coupling due to aperture is weak enough.

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3 p.

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INIS; OSTI as DE98007316

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  • EPAC 1998: 6. European particle accelerator conference, Stockholm (Sweden), 22-26 Jun 1998

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  • Other: DE98007316
  • Report No.: BNL--65685
  • Report No.: CAP--225-MUON-98C;CONF-980671--
  • Grant Number: AC02-98CH10886;AC02-76CH00016
  • Office of Scientific & Technical Information Report Number: 638260
  • Archival Resource Key: ark:/67531/metadc691675

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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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  • July 1, 1998

Added to The UNT Digital Library

  • Aug. 14, 2015, 8:43 a.m.

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  • Nov. 9, 2015, 8:13 p.m.

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Zhao, Y. A new structure of linear collider, article, July 1, 1998; Upton, New York. (digital.library.unt.edu/ark:/67531/metadc691675/: accessed September 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.