Accelerator Physics

Por: Swayam . en: , ,

Week 1: Introduction to DC accelerators, Cockcroft-Walton, Van de Graaff, Tandem, Pelletron accelerators. Week 2:Ion sources, high voltage generation, voltage stabilization, Charging systems (capacitive and inductive), Magnets, insulating gases and their characteristics. Week 3:Control systems, beam handling components, Focussing systems, interlocks, Voltage / Energy calibration, beam optics Week 4:Introduction and basic principles of LINACs. Relativistic expressions. Propagation of electromagnetic waves through matter (relevant to LINACs only), boundary conditions, phase velocity, group velocity, wave equation. Generation of modes in a cavity/waveguide Week 5:Application to the different types of LINACs including traveling and standing wave types. Transit time factor and the energy gained in a LINAC. General ideas of surface resistance, power loss, Quality factor, shunt impedance in cavities; Normal conducting LINAC structures Week 6:Superconductivity in accelerators, advantages of Superconducting cavities, breakdown mechanisms in Superconducting cavities, Superconducting accelerating cavities Week 7:Longitudinal dynamics in LINACs: Longitudinal stability, stability criteria, separatrix, synchronous oscillation with small and large amplitudes. Week 8:FD, FFDD focusing, Stability criteria, phase advance and stability in LINACs; Space charge effects in high intensity beams. Week 9:Cyclotrons. Synchrocyclotron. AVF principle and concept of hills and valleys in magnetic field. Different applications of cyclotrons. Week 10:Equation of motion in magnetic field and concept of focusing, Weak and strong focusing, Quadrupole magnets, Principle of AG focusing, Edge focusing. Week 11:Radio Frequency (RF) field and particle acceleration. Longitudinal focusing and phase stability. RF bucket and longitudinal emittance. Week 12:Proton storage ring. Basic concept of space charge and tune shift. Fixed target collision and colliding beams. Luminosity and circular colliders