Spallation Neutron Source ring status, challenges, issues, and perspectives

The Spallation Neutron Source (SNS) ring is designed to accumulate beam pulses of 1.5 /spl times/ 10/sup 14/ protons of 1 GeV kinetic energy at a repetition rate of 60 Hz. At such beam intensity and power, key design challenges include control of beam loss and radio-activation, construction of high-...

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Bibliographic Details
Main Author: Jie Wei
Format: Conference Proceeding
Language:English
Subjects:
Control systems
Kinetic energy
Magnets
Neutrons
Particle beam injection
Particle beams
Protons
Pulsed power supplies
Radio control
Structural beams
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Description
Summary:The Spallation Neutron Source (SNS) ring is designed to accumulate beam pulses of 1.5 /spl times/ 10/sup 14/ protons of 1 GeV kinetic energy at a repetition rate of 60 Hz. At such beam intensity and power, key design challenges include control of beam loss and radio-activation, construction of high-quality large-aperture magnets and power supplies, design of robust injection and extraction systems, minimization of beam-coupling impedances, and mitigation of electron-cloud effects. This paper discusses the status of the ring systems with emphasis on technical challenges and issues, and presents future perspectives towards a next-generation high-intensity facility.
ISSN:1063-3928
2152-9647
DOI:10.1109/PAC.2003.1288979