2001 Collimation System & FF integrated design (NLC)

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Presentation transcript:

2001 Collimation System & FF integrated design (NLC) Octupole Doublets FD A Final Focus Final Focus collimation IP A Energy collimation FD Betatron collimation A IP FD IP FD IP S SA SA SA A New scheme of the Collimation Section and Final Focus with ODs All the tracking results shown in the previous slides include the CS

2001 Collimation System & FF integrated design (NLC)

2001 NLC BDS Tail folding octupoles are ON. 16sxx51sy Tail folding octupoles are OFF. 11sxx46sy

RoadMap Report BDS (Kuroda) NLC JLC Energy collimation

RoadMap Report BDS (Kuroda) Tail folding octupoles are ON. 16sxx51sy Tail folding octupoles are OFF. 11sxx46sy

Synchrotron Radiation RM BDS Final Doublets SR TFO ON qx=2.66mrad qy=9.24mrad 16sx,IP　8.11mm 51sy,IP　6.25mm TFO OFF 11sx,IP　5.47mm 46sy,IP　5.64mm qx qy IP Last Bending q=-67.5mrad XIP=-6.08mm Final Doublets Half aperture 10mm

Energy Collimation Section SPE aperture SPE ABE Kuroda, SAD, 10000macro, IP sp=3.0-3 99.21% sp,IP= 0.2951 sp =1.0-2 57.34% sp,IP= 0.4441 sp =2.0-2 30.79% sp,IP= 0.4626 sp =3.0-2 20.60% sp,IP= 0.4616 Aperture, sp,IP=0.9% SPE Ax=1.6mm -> 3.1mm ABE Ax=3.4mm -> 5.8mm

Betatron Collimation Section Kuroda, SAD, 10000macro, IP X: –30 to 30sx Random Y: –70 to 70sy Random sp =1.0-2 Gauss Final Focus CollimationのAB10 がBeam tailのCollimationに効いている。 AB10 Ax=17.96sx Ay=50.74sy IP Init SPE AB10