SNS Accumulator Ring design and space charge considerations

Details SNS Accumulator Ring design and space charge considerations SNS Accumulator Ring design and space charge considerations

Nov 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998aipc..448..152w&link_type=abstract

Workshop on space charge physics in high intensity hadron rings. AIP Conference Proceedings, Volume 448, pp. 152-167 (1998).

Physics

1

Storage Rings, Neutron Sources, Beam Dynamics, Collective Effects And Instabilities, Beam Handling, Beam Transport

Scientific paper

The goal of the proposed Spallation Neutron Source (SNS) is to provide a short pulse proton beam of about 0.5 μs with average beam power of 1MW. To achieve such purpose, a proton storage ring operated at 60Hz with 1×1014 protons per pulse at 1GeV is required. The Accumulator Ring (AR) receives 1msec long H- beam bunches of 28mA from a 1GeV linac. Scope and design performance goals of the AR are presented. About 1200 turns of charge exchange injection is needed to accumulate 1mA in the ring. After a brief description of the lattice design and machine performance parameters, space charge related issues, such as: tune shifts, stopband corrections, halo generation and beam collimation etc. will be discussed.

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