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APS » Journals » Phys. Rev. ST Accel. Beams » Volume 5 » Issue 4
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Phys. Rev. ST Accel. Beams 5, 044401 (2002) [11 pages]

Wakefields due to surface waves in a beam pipe with a periodic rough surface

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A. Mostacci* and F. Ruggiero
CERN, Geneva, Switzerland

M. Angelici, M. Migliorati, L. Palumbo, and S. Ugoli†
Dipartimento di Energetica–Universitá La Sapienza, Roma, Italy

Received 14 July 2000; revised 22 February 2002; published 12 April 2002

The problem of the wakefields generated by an ultrarelativistic particle traveling in a long beam tube with a periodic rough surface has been revisited by means of a standard theory based on the hybrid modes excited in a periodically corrugated rectangular waveguide. Slow surface waves synchronous with the particle can be excited in the structure, producing wakefields whose frequency and amplitude depend on the depth of the corrugation. We apply our results to the case of the CERN Large Hadron Collider beam screen and the Linac Coherent Light Source undulator.

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© 2002 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevSTAB.5.044401
DOI:
10.1103/PhysRevSTAB.5.044401
PACS:
41.75.-i, 41.20.-q

*Also with Dipartimento di Energetica–Universitá La Sapienza, Roma.

†Now with Agilent Co.

 
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