PPB - Feb 3, 2021

Meeting Info

We will meet on Wed (Mexico 9am, US 11am, France 5pm)
Bluejeans: https://bluejeans.com/164307983
Code to start the meeting 2864

Agenda

Joe - updates

Status of spin tracking in GPT

Status on post-doc search

Request for increased R&D support from CASA and SRF

Contribution to JLab white paper on

Riad - Magnetized beams

• Extension of Busch’s theorem to particle beams, L. Groening, C. Xiao, and M. Chung, Phys. Rev. Accel. Beams 21, 014201 (2018)[1] media:PhysRevAccelBeams.21.014201.pdf
• root macro to illustrate magnetized beam properties using 3 mm sigma Gaussian beam and 0.2 T solenoidal magnetic field at cathode:
  • root macro: media:magbeam_Gaussian_xy_C.txt (rename file: magbeam_Gaussian_xy.C)
  • Plots of magnetized beam properties: media:magbeam_Gaussian_xy.gif and media:magbeam_Gaussian_corel.gif

Upcoming presentations

Alicia - how genetic algorithms work, with GPT (Feb 17)

Bogdan - scheme for simultaneous e- and e+ beams (TBD)

Sami/Eric

 Re-optimization of tungsten thickness using 120 MeV of initial longitudinally polarized electrons media:Thikness_optimization.pptx