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Phys. Rev. ST Accel. Beams 8, 024401 (2005) [7 pages]

Adiabaticity of the ramping process of an ac dipole

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R. Tomás
Brookhaven National Laboratory, Upton, New York 11973, USA

Received 1 July 2004; published 1 February 2005

ac dipoles in accelerators are used to excite coherent betatron oscillations at a drive frequency close to the tune. If the excitation amplitude is slowly increased to the desired value and slowly decreased back to zero there is no significant emittance growth. The aim of this article is to study the adiabaticity of the ramping process of an ac dipole as a function of the different parameters involved.

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© 2005 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevSTAB.8.024401
DOI:
10.1103/PhysRevSTAB.8.024401
PACS:
41.85.–p, 29.27.–a