1. Y. Nosochkov and M. Woodley (SLAC)
ILC BSY (2006b)
April 4, 2006
Y. Nosochkov and M. Woodley (SLAC)

2. Y. Nosochkov and M. Woodley (SLAC)
total length ≈ 650 m
April 4, 2006
Y. Nosochkov and M. Woodley (SLAC)

3. Y. Nosochkov and M. Woodley (SLAC)
σx = 29 μm
ηX = 20 mm
ΔE = 2%
Δx = 400 μm ≈ 14σx
wire scanners
April 4, 2006
Y. Nosochkov and M. Woodley (SLAC)

4. Y. Nosochkov and M. Woodley (SLAC)
total length ≈ 470 m
April 4, 2006
Y. Nosochkov and M. Woodley (SLAC)

5. Y. Nosochkov and M. Woodley (SLAC)
April 4, 2006
Y. Nosochkov and M. Woodley (SLAC)

6. Y. Nosochkov and M. Woodley (SLAC)
April 4, 2006
Y. Nosochkov and M. Woodley (SLAC)

7. Y. Nosochkov and M. Woodley (SLAC)
to IRTs
dump
April 4, 2006
Y. Nosochkov and M. Woodley (SLAC)

8. Y. Nosochkov and M. Woodley (SLAC)
MPS
β-collimators
skew
correction
2D emittance
measurement
MPS
E-collimator
Ф = 4 mm
Ф = 96,54,12 mm
April 4, 2006
Y. Nosochkov and M. Woodley (SLAC)

9. Y. Nosochkov and M. Woodley (SLAC)
Diagnostic Chicane
total length = m
energy BPM
MPS energy collimator
12.5 mm 
vacuum chamber
Ф=15 mm OD
ΔE/E = ±10%
trajectories
window
laserwire
detector (ε)
Brett Parker’s BMP dipoles (20)
April 4, 2006
Y. Nosochkov and M. Woodley (SLAC)

10. Y. Nosochkov and M. Woodley (SLAC)
vacuum chamber
Ф=15 mm
laserwire photons
go through here
Brett’s BMP magnet has a wide (±28 mm) clear horizontal aperture … put in a small (but reasonable) vacuum chamber for the beam and use the reamining clear aperture to pass laserwire photons
April 4, 2006
Y. Nosochkov and M. Woodley (SLAC)

11. Y. Nosochkov and M. Woodley (SLAC)
Tesla “Type B”
quadrupoles
kickers
septa
Ф = 8 cm
sextupole
April 4, 2006
Y. Nosochkov and M. Woodley (SLAC)

12. Y. Nosochkov and M. Woodley (SLAC)
Tesla Kickers
40 mm
TESLA “Type B” quadrupole
Lcore = 1.5 m
bore radius = 10 mm
max pole-tip field = 7.9 kG
April 4, 2006
Y. Nosochkov and M. Woodley (SLAC)

13. Y. Nosochkov and M. Woodley (SLAC)
no vertical bending
raster
kickers
dump
April 4, 2006
Y. Nosochkov and M. Woodley (SLAC)

14. Y. Nosochkov and M. Woodley (SLAC)
Some Magnet Details
chicane dipoles (20)
Brett Parker’s “BMP” dipoles
L = 2.8 m, horizontal full aperture ≈ 56 mm, vertical full aperture ≈ 34 mm
θ ≈ 100 μrad: B = TeV cm
total chicane SR emittance growth < 1 TeV cm (DIMAD)
fast extraction kickers (25)
in-vacuum stripline devices
L = 2 m, horizontal full aperture = 40 mm, vertical aperture < 40 (> 20) mm
θ ≈ 16 μrad: B = TeV cm
100 ns rise-time, ? kV/cm, 225 MW total pulser power, 5 thyratron pulsers, 1 cable per kicker (≈ 20 kV)
for “tuneup” mode, assume large gap DC dipoles wrapped around (some of) the fast extraction kickers
septa (5)
current-sheet devices, 10 mm thick blade
L = 2 m, horizontal full aperture = 30 mm
θ ≈ 0.6 &1.2 mrad: B = 0.5 T (3), 1.0 T 1 TeV cm
rastering kickers (10 horizontal, 10 vertical)
L = 0.8 m, full aperture = 80 mm
θ ≈ 26 μrad: B = TeV cm
3 cm sweep radius (1.4 μm × 1.4 μm beam size at dump window) … factor of ≈ 25 reduction in dE
reference TESLA Report (Maslov)
April 4, 2006
Y. Nosochkov and M. Woodley (SLAC)