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SPL to PS2 transfer line: Design assumptions

SPL to PS2 transfer line: Design assumptions. Brennan Goddard, Christoph Hessler, Malika Meddahi. Many thanks to W. Bartmann, M. Benedikt, J.-P. Corso’s team, F. Gerigk, M. Jones, D. Missiaen, Y. Papaphilippou, M. Poehler. Driving parameters.

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SPL to PS2 transfer line: Design assumptions

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  1. SPL to PS2 transfer line: Design assumptions Brennan Goddard, Christoph Hessler, Malika Meddahi Many thanks to W. Bartmann, M. Benedikt, J.-P. Corso’s team, F. Gerigk, M. Jones, D. Missiaen, Y. Papaphilippou, M. Poehler TE / ABT / BTP

  2. Driving parameters Expression fractional loss from A.J. Jason et al, IEEE Trans.Nucl.Sci. NS-28, 1981 http://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=4331890&isnumber=4331887 TE / ABT / BTP

  3. Longitudinal tunnel section C TE / ABT / BTP

  4. PS2 position w.r.t. existing tunnels PS2, new lattice,moved by 2 cell lengths SPS TT10 PS2, fodo lattice, original position PS2, new lattice,moved by 3 cell lengths 33 m TI 2 TE / ABT / BTP

  5. PS2 LSS for inj. / extr. Courtesy W. Bartmann Prim 2nd sec MTEBKT DuK InjK InjS MTEBK MS2 MS1 ES ExtK BD+1st sec ~14 mm trajectory bump at the chicane magnets TE / ABT / BTP

  6. Beam line geometry: PS2 entrance Inj. point in PS2 LSS, at the location of the chicane magnets TE / ABT / BTP

  7. Beam line geometry: SPL exit point • SPL version with 501.1m [F. Gerigk 21 Jan. 09] • Point C: Xing above TI 2 • Coordinates from M. Jones on 2 Feb. 09 TE / ABT / BTP

  8. Preliminary beam line design • Design at 0 current • Geometry of the line: dipole magnets TE / ABT / BTP

  9. 2800 2700 2600 2500 2400 2300 2200 2100 800 900 1000 1100 1200 1300 1400 1500 SPL to PS2 beam line geometry SPS new transfer line from PS2 to SPS TT10 new transfer line from SPL to PS2 PS2 (scheme with 2 cells extra) 200 m TI 2 TE / ABT / BTP

  10. 2550 2545 2540 2535 2530 2525 1180 1185 1190 1195 1200 Zooming into inj. / extr. PS2 LSS new transfer line from PS2 to SPS new transfer line from SPL to PS2 strippingfoil PS2 20 m TE / ABT / BTP

  11. SPL to PS2 beam line geometry SPL end point horizontal bending magnets 100 m B C E A D injectionchicane magnet vertical bending magnets 8.3 mrad 0.085 T TE / ABT / BTP

  12. Next steps • Confirm Twiss parameters at SPL exit • Design at 0 current with Quad + correctors + BI (matching, tilt of beams…) • Current effects with ABP colleagues • Rebunching / phase rotation • Revisit PS2 to SPS TL with new layout (2 cells + emittance exchange insertion) • Naming conventions? • TT11 for PS2 to SPS? • TTL1 for SPL to PS2? TE / ABT / BTP

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