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  • Open Access

Cumulative beam breakup in linear accelerators with time-dependent parameters

J. R. Delayen*

  • Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA

  • *Electronic address: delayen@jlab.org
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Phys. Rev. ST Accel. Beams 8, 024402 – Published 8 February, 2005

DOI: https://doi.org/10.1103/PhysRevSTAB.8.024402

Abstract

A formalism presented in a previous paper for the analysis of cumulative beam breakup (BBU) with arbitrary time dependence of the beam current and with misalignment of the cavities and focusing elements [J. R. Delayen, Phys. Rev. ST Accel. Beams 6, 084402 (2003)] is extended to include time dependence of the focusing and coupling between the beam and the dipole modes. Such time dependence, which could result from an energy chirp imposed on the beam or from rf focusing, is known to be effective in reducing BBU-induced instabilities and emittance growth. The analytical results are presented and applied to practical accelerator configurations and compared to numerical simulations.

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References (31)

  1. A. W. Chao, Physics of Collective Beam Instabilities in High Energy Accelerators (Wiley, New York, 1993).
  2. R. L. Gluckstern, R. K. Cooper, and P. J. Channel, Part. Accel. 16, 125 (1985).
  3. G. Decker and J. M. Wang, in Proceedings of the 1987 Particle Accelerator Conference, Washington, DC (IEEE, Piscataway, NJ, 1987), Catalog No. 87CH2387-9, p. 1210.
  4. G. Decker and J. M. Wang, Phys. Rev. D 38, 908 (1988).
  5. K. Yokoya, DESY Technical Report No. 86-084, 1986 (unpublished).
  6. R. L. Gluckstern, F. Neri, and R. K. Cooper, Part. Accel. 23, 53 (1988).
  7. K. A. Thompson and R. D. Ruth, Phys. Rev. D 41, 964 (1990).
  8. F. Neri and R. L. Gluckstern, in Proceedings of the 1989 Particle Accelerator Conference, Chicago, IL (IEEE, Piscataway, NJ, 1989), p. 812.
  9. W. K. H. Panofsky and M. Bander, Rev. Sci. Instrum. 39, 206 (1968).
  10. V. K. Neil and R. K. Cooper, Part. Accel. 1, 111 (1970).
  11. V. K. Neil, L. S. Hall, and R. K. Cooper, Part. Accel. 9, 213 (1979).
  12. Y. Y. Lau, Phys. Rev. Lett. 63, 1141 (1989).
  13. K. Takayama, Phys. Rev. A 45, 1157 (1992).
  14. C. L. Bohn and J. R. Delayen, Phys. Rev. A 45, 5964 (1992).
  15. J. J. Bisognano and R. L. Gluckstern, in Proceedings of the 1987 Particle Accelerator Conference, Washington, DC (Ref. [3]), p. 1078.
  16. G. H. Hoffstaetter and I. V. Bazarov, Phys. Rev. ST Accel. Beams 7, 054401 (2004).
  17. J. R. Delayen, Phys. Rev. ST Accel. Beams 6, 084402 (2003).
  18. J. R. Delayen, Phys. Rev. ST Accel. Beams 7, 074402 (2004).
  19. V. E. Balakin, A. V. Novokhatsky, and V. P. Smirnov, in Proceedings of the 12th International Conference on High-Energy Accelerators, Batavia, IL (Fermilab, Batavia, 1983), p. 119.
  20. G. V. Stupakov, in Proceedings of the XX International LINAC Conference, Monterey, CA, 2000 (SLAC Report No. SLAC-R-561, 2000), p. 272.
  21. D. Chernin and A. Mondelli, Part. Accel. 24, 177 (1989).
  22. R. Gluckstern, F. Neri, and J. B. J. van Zeijts, in Proceedings of the 1990 Linear Accelerator Conference, Albuquerque, NM (LANL Report No. LA-12004-C, 1990), p. 309.
  23. R. L. Gluckstern, J. B. J. van Zeijts, and F. Neri, in Proceedings of the 1991 Particle Accelerator Conference, San Francisco, CA (IEEE, Piscataway, NJ, 1991), Catalog No. 91CH3038-7, p. 1597.
  24. G. V. Stupakov, SLAC Technical Report No. SLAC-AP-108, 1997 (unpublished).
  25. D. A. Whittum, J. Phys. A 30, 8751 (1997).
  26. G. Guignard and J. Hagel, in Proceedings of the XIX International LINAC Conference, Chicago, IL, 2000 (ANL Report No. ANL-98/28, 2000), p. 484.
  27. G. Guignard and J. Hagel, Nucl. Instrum. Methods Phys. Res., Sect. A 434, 179 (1999).
  28. C. L. Bohn and K.-Y. Ng, Phys. Rev. Lett. 85, 984 (2000).
  29. C. L. Bohn and K.-Y. Ng, in Proceedings of the XX International LINAC Conference, Monterey, CA, 2000 (Ref. [20]), p. 31.
  30. K. Y. Ng and C. L. Bohn, in Proceedings of the Second Asian Particle Accelerator Conference (APAC’01), Beijing, 2001 (IHEP, Beijing, 2001), p. 372.
  31. J. T. Seeman, F.-J. Decker, R. L. Holtzapple, and W. L. Spence, in Proceedings of the 1993 Particle Accelerator Conference, Washington, DC (IEEE, Piscataway, NJ, 1993), Catalog No. 93CH3279-7, p. 3234.

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Phys. Rev. ST Accel. Beams 8, 024402– Published 8 February, 2005
  • Received 18 October 2004
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