ILC Beam Delivery System layout with endoflinac undulator
![ILC Beam Delivery System layout with end-of-linac undulator November 2005 M. Woodley 1 ILC Beam Delivery System layout with end-of-linac undulator November 2005 M. Woodley 1](https://slidetodoc.com/presentation_image_h2/0412907d75c8d9bbdca69b9b00bd877c/image-1.jpg)
ILC Beam Delivery System layout with end-of-linac undulator November 2005 M. Woodley 1
![ILC e+ production system layout (end of linac) ======================= electron side - undulator length ILC e+ production system layout (end of linac) ======================= electron side - undulator length](http://slidetodoc.com/presentation_image_h2/0412907d75c8d9bbdca69b9b00bd877c/image-2.jpg)
ILC e+ production system layout (end of linac) ======================= electron side - undulator length = 250 m (200 m active undulator + 40 m FODO focusing + 5 m at each end for other stuff) - gamma drift = 1 km (end of undulator to target) - tunnel separation = 3 m (BDS tunnel centerline to gamma beam centerline, at target) - consumable/renewable MPS betatron collimation u/s of undulator (three 25 m 60° undulator FODO cells) … Ax, Ay ≈ 2 mm (< undulator aperture radius) - energy diagnostic chicane upstream of undulator - 100 m fast extraction to "low power" dump upstream of undulator (~500 bunches @ 500 Ge. V occasionally) - common BDS 3 mrad arc (for 14 mrad IR) - ≈1 μm minimum beam size diagnostic section (three 45 ° FODO cells) - pulsed extraction to "full power" (18 MW) tuneup dump - 8 mrad big bend (for 2 mrad IP) - FF 9 collimation/FF - Yuri's latest dump lines positron side + ≈1 μm minimum beam size diagnostic section (three 45 ° FODO cells), including consumable/renewable MPS betatron collimation … Ax, Ay ≈ 8 mm (< BSY quadrupole aperture radius) + energy diagnostic chicane + fast extraction (pulsed in tuneup mode) to "full power" (18 MW) dump + 8 mrad big bend (for 2 mrad IP) + FF 9 collimation/FF + Yuri's latest dump lines November 2005 M. Woodley 2
![ILC e+ production system layout (end of linac) ======================= electron beamline segments MPSCOL MPSCHIC ILC e+ production system layout (end of linac) ======================= electron beamline segments MPSCOL MPSCHIC](http://slidetodoc.com/presentation_image_h2/0412907d75c8d9bbdca69b9b00bd877c/image-3.jpg)
ILC e+ production system layout (end of linac) ======================= electron beamline segments MPSCOL MPSCHIC FEX UND EBSYARC SKEW DIAG TUX BIGB IRT FF 9 P EX 14 EX 2 = 75 m !MPS collimation / betatron oscillation detection = 100 m !MPS chicane for energy offset detection = 100 m !kickers + drift (T. Mattison "Limited Aperture" parameters) = 250 m !200 m active undulator + 40 m FODO + 10 m extra = 45 m !3 mrad arc (bending radius ≈ 14. 5 km) = 200 m !50 m for e-/ γ separation + NLC skew correction section = 100 m !65 m beta, 1. 15 um spot at quad center (1 Te. V cm, γεy = 2× 10 -8 m) = 50 m !pulsed bends + drift (pulsed bends twice as strong as kickers) = 115 m !8 mrad arc (bending radius ≈ 14. 5 km) = 115 m !same as BIGB = 2140 m !polarimeter chicane + match + FF 9 = 400 m !Yuri's 14 mrad dump line (051004) = 680 m !Yuri's 2 mrad dump line (050812) positron beamline segments SKEW DIAG = = FEX/TUX = BIGB IRT FF 9 P EX 14 EX 2 November 2005 = = = 150 m !NLC skew correction section 100 m !65 m beta, 1. 15 um spot at quad center (1 Te. V cm, γεy = 2× 10 -8 m); !includes MPS collimation / betatron oscillation detection 100 m !kickers + drift (T. Mattison "Limited Aperture" parameters); !includes pulsed bends for tuneup mode 115 m !8 mrad arc (bending radius ≈ 14. 5 km) 115 m !same as BIGB 2140 m !polarimeter chicane + match + FF 9 400 m !Yuri's 14 mrad dump line (051004) 680 m !Yuri's 2 mrad dump line (050812) M. Woodley 3
![MPS-coll 10 mrad chicane FEX IR 2 2 mrad undulator 8 mrad arc 3 MPS-coll 10 mrad chicane FEX IR 2 2 mrad undulator 8 mrad arc 3](http://slidetodoc.com/presentation_image_h2/0412907d75c8d9bbdca69b9b00bd877c/image-4.jpg)
MPS-coll 10 mrad chicane FEX IR 2 2 mrad undulator 8 mrad arc 3 mrad arc 8 mrad arc 7 mrad skew ε-diag + MPS-coll skew chicane ε-diag FEX/TUX IRT -line target 3 m e+ capture e+ return under BDS IR 1 14 mrad November 2005 M. Woodley 4
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