2002•Proceedings of the 1997 Particle Accelerator Conference (Cat. No.97CH36167)Open access

Physics design of the National Spallation Neutron Source linac

H. Takeda, J.H. Billen, S. Nath

Abstract

The National Spallation Neutron Source (NSNS) requires a linac that accelerates a H/sup -/ beam to 1.0 GeV. The NSNS linac starts with a radio-frequency quadrupole (RFQ) accelerator; which is followed by a drift-tube linac (DTL), a coupled-cavity drift-tube linac (CCDTL), and conventional coupled-cavity linac (CCL). In this paper, we focus on the DTL, CCDTL, and CCL parts of the accelerator. We discuss the linac design parameters and beam dynamics issues. The design rationale of no separate matching sections between different accelerating sections maintains the current independence of beam behavior.

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Key concepts: Linear particle accelerator, Spallation Neutron Source, Radio-frequency quadrupole, Physics, Spallation, Beam (structure), Nuclear physics, Particle accelerator