Charged Particle Beam Physics: An Introduction for Physicists and Engineers

Offers a clear and practical introduction to the essentials of charged particle beam physics, covers the design of accelerator machines and their basic components A cornerstone of modern accelerator technology, charged particle beam physics encompasses theoretical principles, advanced simulations, and real-world applications. Charged Particle Beam Physics: An Introduction for Physicists and Engineers provides a comprehensive foundation for understanding, modeling, and implementing beam optics components in accelerator systems. Combining essential concepts with cutting-edge techniques, such as the transfer-matrix method and numerical simulation tools, this detailed yet accessible textbook simplifies the core concepts and principles of the complex field. Reader-friendly chapters systematically address ion sources, beam optics design, advanced diagnostic and vacuum systems, and more. Authors Sarvesh Kumar and Manish K. Kashyap discuss key topics such as electrostatic, magnetostatic, and radiofrequency fields, as well as practical applications in materials science, plasma physics, and radiation biology. Bridging theoretical knowledge with practical implementation, Charged Particle Beam Physics: Provides in-depth coverage of charged particle beam physics, relevant to both single-pass configurations and standard beam transport lines across accelerator systems Combines elements of electrodynamics, particle physics, optics, and engineering for a holistic understanding Explores state-of-the-art methods such as open-source beam optics codes Includes end-of-chapter problems and worked solutions, along with numerical examples using open-source tools such as TRANSPORT and TRACE3d Charged Particle Beam Physics: An Introduction for Physicists and Engineers is ideal for graduate-level students in physics and engineering courses focused on accelerator physics and beam optics, as well as researchers and professionals working in accelerator design and operation. It serves as both a teaching resource and a reference for practitioners tackling fundamental calculations and developing accelerator components across various disciplines.

Table of Contents:
Foreword x Preface xi About the Authors xiv Acknowledgments xvi Acronyms xvii About the Companion Website xix 1 Introduction to Charged Particle Beams 1 1.1 History of Particle Accelerators and the Chronological Milestones 6 1.2 Maxwell's Equations 9 1.3 Electrostatic Accelerators 11 1.4 Cyclotrons 18 1.5 Synchrotrons 21 1.6 Synchrocyclotron 23 1.7 Betatron 25 1.8 Particle Colliders 26 1.9 FFAG Accelerators 28 1.10 Wakefield Accelerators 30 1.11 Radiation Physics 36 1.12 Beam Conceptual Visualization 39 1.13 Numerical Problems 40 2 Ion Sources 43 2.1 ECR Ion Sources 44 2.2 SNICS Ion Source 52 2.3 Duoplasmatron 54 2.4 Electron Beam Ion Source 55 2.5 Penning Ion Sources 57 2.6 Laser Ion Sources 59 2.7 Vacuum Arc Ion Source 61 2.8 Numerical Problems 61 3 Beam Optics 63 3.1 Phase Space and Liouville's Theorem 64 3.2 Emittance and Acceptance 66 3.3 Brightness 68 3.4 Luminosity 69 3.5 Matrix Formalism 71 3.6 Equation of Motion in a Co-moving Coordinate System 76 3.7 Hill's Equation and Twiss Parameters Formalism 79 3.8 Horizontal and Vertical Root M ean S quare Beam Sizes in Accelerators 84 3.9 Betatron Phase Advance and Tune 86 3.10 Chromaticity 89 3.11 RMS Emittance 91 3.12 Space Charge Effects on Ion Beam 93 3.13 Numerical Problems 96 4 Motion in Magnetostatic Devices 99 4.1 Magnetostatic Devices 99 4.2 Ampere's Law for Magnet Design 101 4.3 Equation of Motion in a Co-moving Coordinate System 101 4.4 Drift 104 4.5 Dipole Magnets 106 4.6 Design of Dipole Magnets 110 4.7 Quadrupole Magnets 116 4.8 Beam Rotation Matrix 120 4.9 Solenoid Magnets 120 4.9 .2 Design of Solenoid Magnets 126 4.10 Sextupole Magnets 128 4.11 Magnetostatic Steerer/Deflector 130 4.12 Wien Filter 132 4.13 Achromatic Magnets 134 4.14 Septum and Kicker Magnets 136 4.15 Glaser Lens 137 4.16 Undulators 141 4.17 Wigglers 145 4.18 Numerical Problems 148 5 Electrostatic Devices 151 5.1 Motion of a Charged Particle in an Electric Field 151 5.2 Electrostatic Dipole 152 5.3 Electrostatic Quadrupole 155 5.4 Electrostatic Thin Lens and Einzel Lens 158 5.5 Electrostatic Steerer/Deflector 165 5.6 Electrostatic Accelerating Tube 165 5.7 Electrostatic Septum 169 5.8 Numerical Problems 170 6 Radio Frequency Devices 171 6.1 Longitudinal Beam Dynamics 172 6.2 Pillbox Cavity 175 6.3 Traveling Wave Structures 175 6.4 Standing Wave Structures 176 6.5 Phase Stability in LINACs 181 6.6 Radial Impulse and Deflection in an RF Gap 186 6.7 RF Chopper 188 6.8 RF Buncher 189 6.9 RF Acceleration 190 6.10 Quarter-wave and Half-wave Resonators 193 6.11 Radio Frequency Quadrupole 195 6.12 Drift Tube LINACS 197 6.13 Numerical Problems 199 7 Beam Diagnostics 201 7.1 Faraday Cups 203 7.2 Beam Profile Monitor 204 7.3 Beam Position Monitors 204 7.4 Beam Current Transformers 207 7.5 Capacitive Pick-up Probes 208 7.6 Fast Faraday Cups 209 7.7 Phase Detector Cavity 212 7.8 Transverse Beam Emittance by Quadrupole Magnet Scan 214 7.9 Longitudinal Beam Emittance by Buncher Scan 215 7.10 Energy Spread Measurements 217 7.11 Ion Bunch Width Using Detectors 217 7.12 Numerical Problems 219 8 Vacuum Devices 221 8.1 Basics of Vacuum Technology 222 8.2 Vacuum Accessories and Subcomponents 231 8.3 Vacuum Pumps 234 8.4 Vacuum Gauges 238 8.5 Helium Leak Detector: Mathematical Principles 241 8.6 Numerical Problems 243 Appendix A: Field-induced Breakdown in Accelerator Technologies 245 Appendix B: Panofsky--Wenzel Theorem in Accelerator Physics 249 Appendix C: Child--Langmuir Law and Richardson's Law 253 Appendix D: Larmor's Formula and Its Importance in Accelerator Physics 255 Appendix E: Stefan--Boltzmann Law and Its Applications in Particle Accelerators 257 Bibliography 259 Index 263

About the Author :
Dr. Sarvesh Kumar is an experimental plasma and accelerator physicist with nearly two decades of experience at the IUAC, New Delhi, India. He contributed to significant national and international projects such as the Large Hadron Collider project. He is presently working as Associate Professor in the Department of Physics & Astrophysics, University of Delhi, India. His main area of interests are plasma wakefield acceleration, plasma instabilities, particle accelerator designs, beam optics and beam-plasma interaction. Dr. Manish K. Kashyap is a Professor at the School of Physical Sciences, Jawaharlal Nehru University (JNU), India. His areas of interest are condensed matter physics, plasma physics and accelerator physics. His work integrates theoretical modeling with experimental perspectives to enhance beam quality and stability in ion accelerators. He has published around 110 research papers in international journals and conference proceedings.