International Collaboration (KEK-SLAC-LBNL-CERN-Japanese/UK Universities)

1
?????????????
International Collaboration (KEK-SLAC-LBNL-CERN-J
apanese/UK Universities)

• Instrumentation Development
• Laserwire
• Transition/Diffraction radiation
• X-ray synchrotron radiation
• Wire scanners
• Multi-bunch

• Damping Ring Emittance Control
• Precision Alignment
• Beam-Based Alignment
• High Gradient S-Band Injector

EMITTANCE
ATF vertical emittance lt 5 pm-rad better than NLC
requirements
ex vs. I
ey vs. I
sz vs. I
dr vs. I
LASER WIRE
Beam passes through a pair ofFabry-PerotCavities

Image of Laser Lightstored in a Cavity
Beam Size Measurements
5 mm beam size
2
FFTB
International Collaboration (America-Asia-Europe)
Beam demagnification factor better than NLC
requirements 200m Final Focus prototype builds
on the experience gained from the SLC
b match
Predicted chromatic contribution to beam size
Chromatic Correction X
Chromaticity scan
b exchange
Looking West over SLAC research yard
Chromatic Correction Y
Final Transformer
IP
Extraction Line
Laser Compton Fringe Beam size monitor schematic
Histogram of beam size measurements
Single beam size measurement with Laser Compton
Fringe monitor