Conceptual design of a low-beta sc proton linac.

Garnett, R. W. ; Wangler, T. P.

Technical Information Center Oak Ridge Tennessee

关键词: Beam dynamics;    Linear accelerators;    Design;    Proton beams;    Computerized simulation;   

RP-ID  :  DE2001782789

学科分类：工程和技术（综合）

美国|英语

来源: National Technical Reports Library

【 摘 要 】

In this paper we discuss the conceptual design of a low-(beta) superconducting proton linac based on multi-gap spoke resonator structures. We have demonstrated the feasibility of using superconducting accelerating structures throughout a proton linac for high-peak current applications. The injection energy for this linac is assumed to be 6.7 MeV, which equals the output energy of the CW RFQ built for the Low-Energy Demonstration Accelerator now operating at Los Alamos. The beam is accelerated to 109 MeV using multi-gap spoke resonators. Both 2-gap and 3-gap cavities are used in three accelerating sections with geometric-(beta) values of 0.175, 0.2, and 0.34. Higher beam energies can be achieved by transitioning to elliptical superconducting cavities to further accelerate the beam. Preliminary beam-dynamics simulation results are shown and discussed.