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AN ANTI-SYMMETRIC LATTICE FOR HIGH-INTENSITY RAPID CYCLING SYNCHROTRONS [electronic resource].

Published
Washington, D.C. : United States. Dept. of Energy. Office of Science, 2006.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
5 pages : digital, PDF file
Additional Creators
Brookhaven National Laboratory, United States. Department of Energy. Office of Science, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
Rapid cycling synchrotrons (RCSs) are used in many high power facilities like spallation neutron sources and proton drivers to accumulate and accelerate proton beams. In such accelerators, beam collimation plays a crucial role in reducing the uncontrolled beam loss. Furthermore, injection and extraction sections often need to reside in dispersion-free regions to avoid couplings; sizeable drift space is needed to house the RF accelerating cavities; long, uninterrupted straights are desired to ease injection tuning and to raise collimation efficiency. Finally, the machine circumference needs to be small to reduce construction costs. In this paper, we present a lattice satisfying these needs. The lattice contains a drift created by a missing dipole near the peak dispersion to facilitate longitudinal collimation. The compact FODO arc allows easy orbit, tune, coupling, and chromatic correction. The doublets provide long uninterrupted straights. The four-fold lattice symmetry separates injection, extraction, and collimation to different straights. This lattice is adopted for the China Spallation Neutron Source (CSNS) synchrotron [1].
Report Numbers
E 1.99:bnl--75481-2006-cp
bnl--75481-2006-cp
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Note
Published through SciTech Connect.
06/23/2006.
"bnl--75481-2006-cp"
"KB0202011"
10TH BIENNIAL EUROPEAN PARTICLE ACCELERATOR CONFERENCE (EPAC); EDINBURGH, UK; 20060626 through 20060630.
WANG, S.; LEE, Y.Y.; TANG, J.-Y.; WEI, J.; MACHIDA, S.; TEPIKIAN, S.; FANG, S.-X.; REES, G.; PRIOR, C.; QIN, Q.
Funding Information
DE-AC02-98CH10886
18026
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