THP66

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URL	https://doi.org/10.18429/JACoW-IBIC2024-THP66
Title	Measurement of beam energy characteristics at the LHe-free Nb3Sn demo SRF e-linac
Authors	Y. Chu, Z. Wang, W. Chen, Z. Liang, Z. Yang, G. Jiang, C. Feng, D. Jia, H. Cai, Y. Du, L. Liu, M. Yi, C. Su, T. Li, T. Zhang, H. Li Institute of Modern Physics, Chinese Academy of Sciences t. wang Institute of Modern physics, Chinese Academy of Science
Abstract	The demonstration of a 100 mA, 4.6 MeV superconducting radio frequency linear electron accelerator, based on conduction cooling and developed by the Institute of Modern Physics (IMP), aims to validate the feasibility of stable beam commissioning in a liquid helium-free 5-cell-$\beta$opt=0.82 Nb3Sn elliptical cavity, and to offer guidance for subsequent industrial applications. The beam energy characteristics, considered one of the critical parameters, need to be precisely measured. Given the high beam energy and the need for a compact, straightforward accelerator layout, we achieved high-precision measurements using only a ordinary dipole, a slit, and a Faraday Cup (FC). This paper presents the online measurement results of beam energy at different cavity voltage and provides a thorough analysis and optimization of the various errors encountered during measurement.
Paper	download: THP66.pdf
Cite	BibTeX, LaTeX, Text/Word, RIS, EndNote
Conference	Proc. 13th International Beam Instrumentation Conference
Series
Location	Beijing
Date	09-13 Sep 2024
Publisher	JACoW Publishing, Geneva, Switzerland
Editorial Board	Jianshe Cao (IHEP), Junhui Yue (IHEP), Lin Bian (IHEP), Ivan Andrian (Elettra-Sincrotrone Trieste S.C.p.A.), Volker RW Schaa (GSI), Zhichu Chen (SARI)
Online ISBN	978-3-95450-249-3
Online ISSN	2673-5350
Received	05 September 2024
Revised	11 September 2024
Accepted	11 September 2024
Issued	11 December 2024
DOI	10.18429/JACoW-IBIC2024-THP66
Pages	633-636
Copyright	Published by JACoW Publishing under the terms of the Creative Commons Attribution 4.0 license. Any further distribution of this work must maintain attribution to the author(s), the published article's title, publisher, and DOI.