Phys. Rev. ST Accel. Beams 10, 120101 (2007) [4 pages]Application of International Linear Collider superconducting cavities for acceleration of protons
Beam acceleration in the International Linear Collider (ILC) will be provided by 9-cell 1300 MHz superconducting (SC) cavities. The cavities are designed for effective acceleration of charged particles moving with the speed of light and are operated on π-mode to provide a maximum accelerating gradient. A significant research and development effort has been devoted to develop ILC SC technology and its rf system which resulted in excellent performance of ILC cavities. Therefore, the proposed 8-GeV proton driver in Fermilab is based on ILC cavities above ∼1.2 GeV. The efficiency of proton beam acceleration by ILC cavities drops fast for lower velocities and it was proposed to develop squeezed ILC-type (S-ILC) cavities operating at 1300 MHz and designed for βG=0.81, geometrical beta, to accelerate protons or H- from ∼420 MeV to 1.2 GeV. This paper discusses the possibility of avoiding the development of new βG=0.81 cavities by operating ILC cavities on 8/9π-mode of standing wave oscillations. This article is available under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. © 2007 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevSTAB.10.120101
DOI:
10.1103/PhysRevSTAB.10.120101
PACS:
29.17.+w, 41.20.−q, 29.27.−a, 84.40.−x
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