Journal
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
Volume 704, Issue -, Pages 84-91Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nima.2012.12.050
Keywords
High-power cyclotron; Beam dynamics; Space charge effects; Beam loss
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Funding
- Division Of Physics
- Direct For Mathematical & Physical Scien [1205175] Funding Source: National Science Foundation
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In the DAE delta ALUS (Decay-At-rest Experiment for delta(CP) studies At the Laboratory for Underground Science) project, high power H-2(+) cyclotron chains are proposed to efficiently provide proton beams with a kinetic energy of 800 MeV and an average power in the MW range. Space charge plays a pivotal role in both the injector and the ring cyclotrons. Large-scale particle simulations show that the injector cyclotron is a space charge dominated cyclotron and that a 5 mA beam current can be extracted with tolerable beam losses on the septum. In contrast, in the ring cyclotron, no space charge induced beam loss is observed during acceleration and extraction. (C) 2012 Elsevier B.V. All rights reserved.
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