Performance and modification of the MEA RF drive system

Kroes, F.; Sluyk, T.G.; Heutenik, B.

doi:10.1109/pac.1989.72905

Cited by 2 publications

(1 citation statement)

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“…The idea of this "staggered timing" system was to turn on the RF in selected sections of the linac at a time comparable to that of beam arrival at that section [5]. The electrons at the leading edge of the pulse, which would normally be at higher energy because the linac was not yet loaded down, have an energy closer to the electrons later in the pulse because the linac RF is still filling the accelerator.…”

Section: Solutionsmentioning

confidence: 99%

Operational experience with resonantly extracted beams

Jacobs¹,

Casagrande²,

Farkhondeh³

et al.

PACS2001. Proceedings of the 2001 Particle Accelerator Conference (Cat. No.01CH37268)

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The MIT-Bates Linear Accelerator has completed a major nuclear physics experiment using high duty factor electron beam resonantly extracted from the South Hall Ring. Average currents up to 8 µA at energies from 569 to 950 MeV were delivered to the new Out Of Plane Spectrometer System, with typical duty factors of 60%. Throughput efficiencies, measured as the ratio of beam current injected into the ring to that delivered to experiment, were 80-90%. The extraction process was repeated at a 600 Hz repetition rate, giving storage times much shorter than the beam damping time. Thus, beam dynamics were exclusively in a transient state. Details of the operational experience, including important aspects of beam set-up, on-line monitoring, and maintenance, are presented.

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Section: Solutionsmentioning

confidence: 99%