Bunch Compressor Beam Line Optics

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Presentation transcript:

Bunch Compressor Beam Line Optics Geometrical requirements: Fit into tunnel So far considered functional requirements: matching of injector to bc1 beam with linac 1 diagnostic sections after bc1 and b2 (recently redesigned by Christopher – not yet included in master-deck) beam dump lines after each bunch compressor diagnostics Note: Beam Dumps are not (and will not be) designed for nominal beam power Bunch Compressor Beam line Review 18/12/06 Winni Decking

Bunch Compressor Beam Line Optics Bunch Compressor Beam line Review 18/12/06 Winni Decking

Bunch Compressor Beam Line Optics Diagnostic Section Dogleg (R56 ≈ - 0.015 m) Drift through shielding 18 deg deflection to commissioning dump Bunch Compressor Beam line Review 18/12/06 Winni Decking

Bunch Compressor Beam Line Optics Technical Specifiactions magnet bore radius (half aperture): 20 mm energy reach for magnet system BC1: 800 MeV energy reach for magnet system BC2: 3 GeV Bunch Compressor Beam line Review 18/12/06 Winni Decking

Include BC Diagnostic Sections in Master Deck To Do Include BC Diagnostic Sections in Master Deck Increase BC chicane middle dipoles distance to include diagnostics Calculate transverse wakefield effects of 3rd harmonic cavities Adjust phase advance between BC1 and BC2 to n*pi Magnet tolerance studies (field quality and alignment of dipoles) Bunch Compressor Beam line Review 18/12/06 Winni Decking

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