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Lattice study in the pre-CDR of the SS ring for the injection chain of SPPC

  • 1.

    National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230027, China

  • 2.

    School of Nuclear Science and Technology, University of Science and Technology of China, Hefei 230027, China

Cite this:
https://doi.org/10.3969/j.issn.0253-2778.2017.08.011
  • Received Date: 19 April 2016
  • Rev Recd Date: 07 June 2016
  • Publish Date: 31 August 2017
    Abstract

  • Abstract

    SPPC is of great significance to collider and the development of high-energy physics. As the last part of the injector chain, SS ring boosts the proton energy from 180 GeV to 2.1 TeV, and its performance is closely related to the beam quality of SPPC. The preliminary lattice study of the SS ring was focused on. Firstly, the filling pattern of SS ring was discussed based on the requirements of SPPC. Then, with MADX, two dedicated lattices, SSH and SSV, which were designed for fast longitudinal extraction scheme in horizontal and vertical directions were given in detail. The horizontal closed orbit deviations of SSH and SSV are smaller than 0.432 mm and 0.337 mm, respectively. The two lattices can provide a foundation for future research.

    Abstract

    SPPC is of great significance to collider and the development of high-energy physics. As the last part of the injector chain, SS ring boosts the proton energy from 180 GeV to 2.1 TeV, and its performance is closely related to the beam quality of SPPC. The preliminary lattice study of the SS ring was focused on. Firstly, the filling pattern of SS ring was discussed based on the requirements of SPPC. Then, with MADX, two dedicated lattices, SSH and SSV, which were designed for fast longitudinal extraction scheme in horizontal and vertical directions were given in detail. The horizontal closed orbit deviations of SSH and SSV are smaller than 0.432 mm and 0.337 mm, respectively. The two lattices can provide a foundation for future research.
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    • References(8)
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    [1]
    CHO A. The discovery of the Higgs boson[J]. Science, 2012, 338(6114): 1524-1525.
    [2]
    ZHANG Y, PENG Y. A high energy e-p/A collider based on CEPC-SPPC [C]// Proceedings of IPAC2015. Richmond, VA, 2015.
    [3]
    CEPC-SPPC Study Group. CEPC-SPPC preliminary conceptual design report [R]. Volume II-accelerator, Beijing: Institution of High Energy Physics, 2015: IHEP-AC-2015-01.
    [4]
    TANG J, BERG J S, CHAI W, et al. Concept for a future super proton-proton collider[DB/OL]. [2016-04-02] arXiv:1507.03224.
    [5]
    BRNING O. LHC Design Report[M]. Geneva, Switzerland: European Organization for Nuclear Research, 2001, Chapter 17: 6-7.
    [6]
    WIEDEMANN H. Particle Accelerator Physics[M]. New York: Springer, 2007: 267-268.
    [7]
    HERR W. Advanced accelerator physics[R]. Geneva, Switzerland: CERN Accelerator School, 2013: 99-100.
    [8]
    陈佳洱.加速器物理基础[M]. 北京：原子能出版社, 1993:353-354.
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