COSY INFINITY Examples

Textbook beam physics examples written in the COSY INFINITY FOX language. Each program is self-contained and demonstrates a specific concept in accelerator physics or differential algebra.

Examples

File	Topic
da_basics.fox	Differential algebra: Taylor polynomials, derivatives, composition
fodo_optics.fox	FODO cell Twiss parameters and stability scan
transfer_maps.fox	Transfer maps to various orders
dispersion.fox	Off-momentum orbits and periodic dispersion
matching.fox	Optics matching with FIT
chromaticity.fox	Natural chromaticity of a FODO ring
orbit_correction.fox	Closed orbit distortion from dipole errors
normal_form.fox	Amplitude-dependent tune shifts via normal form
tracking.fox	Multi-turn particle tracking
spin_tracking.fox	Thomas-BMT spin dynamics
solenoid_focusing.fox	Solenoid coupling between planes
edge_focusing.fox	Edge angles in sector vs rectangular dipoles
combined_function.fox	Combined-function magnets (MC)
parametric_maps.fox	Transfer maps as functions of element parameters
rf_longitudinal.fox	Synchrotron tune from 6D map with RF
electrostatic_deflector.fox	Electrostatic vs magnetic bending
map_composition.fox	Map concatenation and associativity
map_inversion.fox	Nonlinear map inversion with POLVAL1
integration_demo.fox	DA antiderivatives with INTEG

Running

Each example requires COSY INFINITY. Copy COSY.bin (compiled core library) to the working directory, then:

./cosy example.fox

License

MIT.