WEBC4

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URL	https://doi.org/10.18429/JACoW-IBIC2024-WEBC4
Title	Evaluating the use of common statistical divergences to quantify the differences between beam distributions in high-dimensional phase space
Authors	Y. Du, C. Wong, Z. Wang, T. Zhang, L. Liu, C. Su, M. Yi, T. Wang, H. Zhou, B. Ma, Y. Chu, T. Li Institute of Modern Physics, Chinese Academy of Sciences L. Gong European Spallation Source ERIC
Abstract	Quantifying the difference between two beam distributions in high-dimensional phase space is crucial for interpreting experimental or simulation results. This study aims to analyze and compare several common statistical divergences that quantify the differences in high-dimensional distributions, and to determine which of them are suitable for beam physics applications. We tested these divergences with common kinds of initial distributions by computing how the difference values vary when the mismatch factor and emittance change, between the same and different kinds of distributions. These results, along with similar comparisons after extended beam transport, provided guidance on the use and choice of statistical divergences for beam phase space distributions.
Paper	download: WEBC4.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	13 September 2024
Revised	16 September 2024
Accepted	16 September 2024
Issued	11 December 2024
DOI	10.18429/JACoW-IBIC2024-WEBC4
Pages	231-234
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.