Trajectory and Twiss Parameters with New Inflector
"Explore the trajectory and twiss parameters of particles with a new inflector, including displacement and field details. Discover key assumptions and conclusions for optimizing inflector performance."
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Trajectory and Twiss Parameters with New Inflector D. Rubin April 16, 2015 3/20/2025 aperture 1
Trajectory through injection channel 0.03 0.02 displacement from tangent line [m] 0.01 0 0.83 deg -0.01 -0.02 -0.03 1.27 deg -0.04 18+5 mm uniform inf field 9mm - uniform field 9mm - inf field map -0.05 1.35 deg -0.06 0 0.5 1 distance along injection channel [m] 1.5 2 2.5 3 3.5 4 4.5 3/20/2025 aperture 2
b through injection channel 70 inf=8m inf=2m 18+5 mm uniform inf field bh 18+5 mm uniform inf field bh 9mm - uniform field bh 9mm - inf field map bh 60 inf=2m inf=2m 50 40 bh [m] 30 20 10 0 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 distance along injection channel [m] 3/20/2025 aperture 3
Summary Assumptions: Center of new inflector is displace 9 mm + 5mm further from magic radius Field in new inflector is uniform (no focusing) => Injected beam must be displaced + 3.5cm in hole order to exit along the central axis of the inflector (=> If the beam is centered in the hole in the backleg iron with the old inflector, we give up 3.5cm of the aperture with the new inf) To exploit larger inflector aperture, increase h at inflector exit (=> increase h in backleg hole costing more aperture) Conclusion: To exploit new inflector we need to drill a larger hole in the iron and at a different angle 3/20/2025 aperture 4
