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Beam-dynamics Study on Lattice Types in a Low-energy Heavy-ion Superconducting Linear Accelerator

JangWon Kwon · Eun-San Kim

Department of Accelerator Science, Korea University Sejong Campus, Sejong 30019, Korea (Received 12 May 2015 : revised 3 August 2015 : accepted 4 August 2015)

In a low-energy, heavy-ion, superconducting linear accelerator section, two quadrupole magnet arrangement methods are used for beam focusing, the singlet method and the doublet method.

The low-energy section of the linear accelerator Rare isotope Accelerator Of Newness (RAON) is investigated by using these two methods with quarter wave resonance (QWR) cavity and the TRACK code. The design process to optimize the strength of the quadrupole magnet is described for each method. The simulation results for the energy, the distribution, the size, and the performance of the heavy-ion obtained by using the two methods are analyzed and compared. The results obtained by using a beam correction, including machine errors, are presented and analyzed.

PACS numbers: 29.27.-a, 29.20.Ej

Keywords: Linear accelerators, Emittance, Envelope

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PACS numbers: 29.27.-a, 29.20.Ej Keywords: ‚+þA5Åql, \p‡Û¼, 'p6\š–ÐáÔ

∗E-mail: [email protected]

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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