• Design of a 10 MeV, 352.2 MHz drift tube Linac

• # Fulltext

Permanent link:
https://www.ias.ac.in/article/fulltext/pram/079/02/0263-0274

• # Keywords

Drift tube Linac; electromagnetic simulations; beam dynamics simulations.

• # Abstract

A conventional 10 MeV drift tube Linac is designed as a part of the $H^-$ front end accelerator system for the future Indian Spallation Neutron Source. The front end Linac consists of a 50 keV H- ion source, low energy beam transport (LEBT), a 3 MeV radio frequency quadrupole (RFQ), and a 10 MeV drift tube Linac (DTL), which will be operated at 1.25% duty factor. Cell geometry of the DTL is optimized to house quadrupole magnets and to get maximum effective shunt impedance. Transmission efficiency and various other output parameters depend on the input design parameters. Beam dynamic studies are done to maximize the transmission efficiency with minimum emittance growth. Errors in the alignment of the quadrupoles inside the drift tubes or the DTL tank alignment with respect to transport line will degrade the beam quality and may reduce the transmission efficiency. Error study is performed to assess the acceptable tolerances on various parameters. This paper describes the 2D and 3D electromagnetic and beam dynamics simulations of the 352.2 MHz, 10 MeV drift tube Linac. Details of the DTL design are reported in this paper.

• # Author Affiliations

1. Accelerator and Beam Physics Laboratory, Raja Ramanna Centre for Advanced Technology, Indore 452 013, India

• # Pramana – Journal of Physics

Volume 96, 2022
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Posted on July 25, 2019

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