Difference between revisions of "PPB - Oct 28, 2020"

Revision as of 19:45, 27 October 2020

We will meet on Wed (Mexico 10am, US 12pm, France 5pm)
Bluejeans: https://bluejeans.com/164307983

Assigning spin component information to a particle (or macroparticle)
Implementing the Bargman-Michel-Telegdi time-dependent spin-equation of motion
Generally rate of spin motion (ds/dt) is similar to physical motion (dx/dt), but maybe consider how time steps are computed, e.g. when an adaptive time step is implemented
Implement methods to define initial spin distribution a) internally (e.g. set sx,sy,sz of particles very useful for testing) or b) externally (e.g. to accept a distribution originating from another code like Geant4 output)
Evaluate numerical test cases of 'pure fields' (e.g. B_perp, B_axial, E_perp, E_axial) or single elements (e.g. dipole, solenoid, e-field deflector) against analytic solutions
Evaluate numerical test case of field map (e.g. we have ExB wien filter field maps, solenoids, cavity)
Saving the spin component information, similar to other arrays, in output file
Ability to display spin component (or polarization = average of sx, sy or sz) in GUI would be useful

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 ;Mexico
-;Joe - Update on spin tracking project
+;US/Joe - Update on spin tracking project
 # Assigning spin component information to a particle (or macroparticle)
 # Implementing the Bargman-Michel-Telegdi time-dependent spin-equation of motion