Pepperpot Effective Transversal Emittance Meter for Ion Beams
Pepper-pot Effective Transversal Emittance Meter for Ion Beams Feb 24, 2009 Dušan Vudragović Scientific Computing Laboratory Institute of Physics Belgrade
Particles’ phase space [1/2] Feb 24, 2009 n Scalar and vector potential n Electric and magnetic field n Lagrangian n Generalized momentum n Transverse magnetic field
Particles’ phase space [2/2] Feb 24, 2009 n Measurable variables n Particles velocity approximation n Liouville’s theorem n Effective Transversal Emittance
Setup for emittance measurement Feb 24, 2009
Algorithm [1/6] Feb 24, 2009 n Typical input n Number of particles
Algorithm [2/6] n Feb 24, 2009 <x> and <x’>
Algorithm [3/6] Feb 24, 2009 n (x, x’) (ξ, ξ’) n (ξ, ξ’) (η, η’) n Dispersion n Extreme dispersion
Algorithm [4/6] n Feb 24, 2009 Effective Transversal Emittance
Algorithm [5/6] Feb 24, 2009 n <ξ 2> n <ξ’ 2> n <ξξ’>
Algorithm [6/6] n Feb 24, 2009 Effective Transversal Emittance
Implementation [1/4] n Calibration ¡ ¡ n CCD snapshot ¡ ¡ Feb 24, 2009 Effective resolution Central slit position Load Background Cleaning
Implementation [2/4] n Spot detection ¡ ¡ n Spot identification ¡ ¡ Feb 24, 2009 Auto Manual
Implementation [3/4] n Feb 24, 2009 Manual analysis
Implementation [4/4] n Feb 24, 2009 Emittance calculation
- Slides: 14