In Linac 0, after each accelerator section there will be a beam position monitor (BPM), a current monitor, and a screen. Between the second and third sections, an X-band cavity will be placed alongside a ceramic gap in the beamline. The charge-normalized RF intensity generated in this cav...
Undulator Cavity BPMs Calibrated with Beam Beam Based Alignment Schematic Δq1 Δq3 Δq2 Δb1 Δb3 Δb2 Δy1 Δy3 Δy2 Δy0 Δy4 Δb0 Δb0 E1 E2 BPM Offsets Δbi Quad Offsets Δqi x,x’ E1 < E2 BPM and quadrupole offsets are unknown Vary energy, measure orbit to determi...