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OverviewThis book guides readers into the realm of particle accelerators, which have served as indispensable tools for fundamental research, energy development, medical therapy, industrial applications, national security, etc., since 1924. Towards a new generation of high power proton and ion accelerators, challenges often come from space charge effects, which are most pronounced in low-velocity beams. This book focuses on Radio-Frequency Quadrupole (RFQ) accelerators, one of the most popular front-end structures for accelerator facilities, and their beam physics. Uncovering the limitations of the classic design methods, novel approaches to achieve efficient RFQ accelerators with high beam quality will be presented. In addition, new ideas for possible future developments, such as how to realize long RFQs with high performance and how RFQs can be applied for much higher beam-velocities to shorten large-scale accelerators, will be introduced. To provide a general overview of the research and development of RFQs accelerating particle species from protons to uranium ions, this book uses over 10 real examples developed or proposed in the twenty-first century for various facilities of different dimensions (from large scale e.g. a collider to small scale e.g. university experimental setups). With its rich content and comprehensive scope, this book is an invaluable reference for researchers and graduate students interested in RFQ accelerators and the intricacies of space charge physics in low-velocity beams. Full Product DetailsAuthor: Chuan ZhangPublisher: Springer International Publishing AG Imprint: Springer International Publishing AG Edition: 1st ed. 2023 Weight: 0.488kg ISBN: 9783031409660ISBN 10: 3031409663 Pages: 163 Publication Date: 19 November 2023 Audience: Professional and scholarly , Professional & Vocational Format: Hardback Publisher's Status: Active Availability: Manufactured on demand  We will order this item for you from a manufactured on demand supplier. Table of ContentsChapter 1: Introduction 1 1.1 RF Linear Accelerators for the 21st Century 3 1.2 Radio-Frequency Quadrupole Accelerators 7 1.3 Front Ends for High Power Linacs 18 Chapter 2: Beam Physics with Space Charge Challenges 24 2.1 Basic Equations 25 2.2 LANL Four-Section Procedure and New Four-Section Procedure 28 2.3 EP: Equipartitioning Principle 33 2.4 MEGLET: Minimizing Emittance Growth via Low Emittance Transfer 36 2.5 MEGLET vs. EP 40 2.6 MEGLET RFQ with Off-Design Input Beams 49 2.7 SEGLER: Small Emittance Growth at Large Emittance Ratios 52 2.8 Comparison of the Four RFQ Design Methods 57 Chapter 3: Injectors for Modern Science Facilities 61 3.1 EBIS-Based RFQ for RHIC at BNL 62 3.2 CW HLI RFQ for GSI 71 3.3 HSI RFQ Upgrade for FAIR 77 3.4 p-Linac RFQ for FAIR 91 3.5 FRANZ RFQ Redesign for Goethe University Frankfurt 96 Chapter 4: Injectors for Accelerator-Driven Systems 107 4.1 CW RFQ for European ADS Project MYRRHA 108 4.2 CW RFQ for China ADS Injector II 119 4.3 CW RFQ for Project X Injector Experiment at FNAL 127 Chapter 5: Towards Efficient Long RFQ Accelerators 134 5.1 MUSIC: Realizing Long RFQs Using Multiple Shorter and Independent Cavities 135 5.2 HSI MUSIC-RFQ (Solution 1): Cavity + Drift + Cavity 139 5.3 HSI MUSIC-RFQ (Solution 2): Cavity + MEBT + Cavity 146 5.4 HSI MUSIC-RFQ (Solution 3): Cavity + Drift + Cavity + Drift + Cavity 150 5.5 MUSIC-RFQ for High Brilliance Neutron Source 154 Chapter 6: Frequency Jump Using 704.4 MHz RFQ and CH Accelerators 166 6.1 Background for a New Proposal 167 6.2 Frequency Jump Using 704.4 MHz CH Cavities 169 6.3 Frequency Jump Using a 704.4 MHz RFQ-CH Combination 174 6.4 Error Studies 181 6.5 Potential Applications and Future Development 189 Summary 191 References 194 Appendix 1: Acronyms and Abbreviations 206 Appendix 2: Symbols 210 Acknowledgements 213ReviewsAuthor InformationChuan Zhang holds a Doctor of Engineering degree in nuclear techniques and applications from Peking University (2005) and a Ph.D. degree in physics from Goethe-University Frankfurt (2009). In 2010, he received the Juan Antonio Rubio – Paul Govaerts EUROTRANS – ENEN Prize at the EUROSAFE Forum. As a side activity, he was a visiting professor at the Institute of Modern Physics, Chinese Academy of Sciences, from 2010 to 2013. Joining GSI Helmholtz Centre for Heavy Ion Research in 2013, he contributed to the FAIR project's project management office and in parallel focused on linear accelerator design and space charge physics as an accelerator physicist. Presently, he leads the R&D team for stochastic cooling physics and technology at GSI. In 2023, he completed his habilitation and obtained the title of Privatdozent (a qualification for professorship in many European countries) from the Department of Physics at Goethe-University Frankfurt. Additionally, in 2023, he became a short-term invited fellow at the High Energy Accelerator Research Organization (KEK) in Japan, a principal investigator at the Helmholtz Research Academy Hesse for FAIR in Germany, and the GSI-Representative (Observer) of the ESS (European Spallation Source) Accelerator Collaboration Board in Sweden. With over 20 years of experience, Dr. Zhang has specialized in RF linear accelerators, particularly Radio Frequency Quadrupole (RFQ) accelerators. Many accelerators designed by him, such as the EBIS-RFQ at Brookhaven National Laboratory, the CW HLI-RFQ at GSI, the China ADS Injector-II RFQ and the PIP2IT RFQ at Fermilab (the latter two in collaboration with Lawrence Berkeley National Laboratory), and the MYRRHA RFQ at Belgian Nuclear Research Centre, have demonstrated exceptional performance and have been in successful operation for many years. Tab Content 6Author Website:Countries AvailableAll regions |
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