1. Structure Nick-Names and Documentation Germana creates/created a structure traveler describing the handling (Features: each step, with date and description, signed by the person who did it) TypeNo of cellsvg (start)special feature HDS118.3thick C onstant Imp 302.4thin T apered 53.6quad TD amped clean

2. 30 GHz program in CTF3 30 GHz: - pi/2 structure (test of short phase advance, fabrication tech.) DONE! - HDS 11 copper/molybdenum (for better statistics) - HDS 11 very small (r=1.2) (clear P/C experiment without other changes) - Round 3.5 mm made out of quadrants (clear experiment for fab. Tech.) - HDS4_thick_r=1.75 (iris thickness, phase advance, P/C) Installed ! - HDS4_thick_clean (compares cleaning with previous) - NDS4_thick_r=1.75 (Effect of slots and quadrants) - NDS4_thin (iris thickness in comparison with NDS4_150deg_thick) -C30_vg2.6 -C30_vg8.2 -C30_vg8.2_sb -C30_vg2_TM02 List of planned experiments with new structures

3. 30 GHz break down R&D program in CTF3 - HDS4_vg2.6_thick (iris thickness, phase advance, P/C) Installed ! - NDS4_vg2.5_thick (Effect of slots and quadrants) - C30_vg4.7_quad (clear experiment for fab. Tech.) Decision point, see flow chart ! - HDS11_vg2 (clear P/C experiment without other changes) - HDS4_vg2.6_thick_clean (compares cleaning with previous) - NDS4_vg3.6_thin (iris thickness in comparison with NDS4_thick) - C30_vg2.6 (P/C) - C30_vg8.2 (P/C) - C30_vg4.7_sb (speed bump) - C30_vg2_TM02 (vg) - HDS 11 copper/molybdenum (for better statistics) New list of planned experiments ordered by priority and reality

4. 30 GHz flow chart C30_vg2_TM02 HDS4_vg2.6_thick HDS11_vg2 HDS4_vg2.6_thick_clean NDS4_vg2.5_thick NDS4_vg3.6_thin Quads or slot are a problem Quads or slot are not a problem P/C ok C30_vg2.6 C30_vg8.2 C30_vg4.7_sb New ideas if needed 2008 2007 Input for x-band C30_vg4.7_quad

5. 11 GHz program in NLCTA and XTF - CLIC vg3/1 quadrants damped (CERN, Japanese industry) (test of P/C, damping, quadrant technology) - T26vg3MC (done by SLAC) (conservative approach to better efficiency) - CLIC vg3/1 disks undamped (done by KEK) (test of P/C in conservative technology, technology comparison) - CLIC vg3/1 quadrants undamped (CERN) (test of P/C, quadrant technology) - T26vg3MC quadrants (CERN) (technology comparison) - CLIC vg3/1 disks damped (CERN) (mainly test of damping) - T26vg3MC disks damped (CERN) (back up test of damping if others are not successful) Old list of planned experiments

6. 11 GHz CLIC structure program 11.4 GHz: - TD18_vg2.4_quad (CERN, VDL, Japanese industry) [2x] (test of P/C, damping, quadrant technology) - T28_vg2.9 (done by SLAC) (conservative approach) - T18_vg2.4_disk (SLAC,KEK) [2x] (test of P/C in conservative technology, technology comparison) Decision point, see flow chart - T18_vg2.4_quad (CERN) (test of P/C, quadrant technology) - TD18_vg2.4_disk (CERN) [2x] (mainly test of damping) - TD28_vg2.9 (CERN) (back up test of damping if others are not successful) New list of planned experiments

7. 11 GHz flow chart CLICvg1 geometry OK 2008 2007 CLICvg1 geometry not OK Disks OK Quads OK +Damp 2009 CLIC prototype disks damped CLIC prototype TD28 like CLIC prototype quads damped Go towards more extreme structures 2010 Input from break down R&D TD18_vg2.4_quad T28_vg2.9 T18_vg2.4_disk TD28_vg2.9 (T18_vg2.4_quad) TD18_vg2.4_disk ? Damping Not OK

8. New 11 GHz breakdown R&D program - C10_vg1.5 (close to old CLIC vg1.1) [3x]2007/2008 - C10_vg2.9 (T53 input cell) [2x]2008 - C10_vg0.6 [2x]2008 - C10_vg2.4_thick [2x]2008 General remarks: All structures in copper, once best geometry is found one could test it in a different material Really try to make decisions at the decision points to focus more the effort What about 12 GHz ? One structure needed end 2008: Chose March 08 at latest: T18_vg2.4

9. d [mm] a [mm] 2.662.132.001.661.371.25 2.53 Or smaller? CLIC _vg1 output 1.0% 2.85T53 output 1.0% 3.0CERN-X 1.1% Vg1.5? 3.87 3.89* CLIC _vg1 Input 2.4% 30 GHz 2π/3 ≈2.6% T53 input* 2.86% 4.3830 GHz 2π/3 4.7% 5.0030 GHz π/2 7.4% 30 GHz 2π/3 8.2% Iris diameter and thickness scaling test geometrical variation of gradient

10. AugOctNovDec CTF3 30 GHz NLCTA Station 1 11.4 GHz Pi/2HDS4_vg2.6_ thick heat treated XTF 11.4 GHz SeptJul Current structure testing program TD18_vg2.4 _quad T28_vg2.9 C10_vg1.5 HDX11 Cu large grains C30_vg4.7_quad NLCTA Station 2 11.4 GHz 2007 NDS4_vg2.6_ thick T53vg3MC H60vg3S18 Old Clic vg1.1

11. Apr-JunJul-SepOct-Dec CTF3 30 GHz NLCTA Station 1 11.4 GHz C30_vg2.6 XTF 11.4 GHz Jan-Mar Current structure testing program C30_vg8.2 C30_vg2_TM02 NLCTA Station 2 11.4 GHz 2008 C10vg2.9 [2x] C10vg0.6 [2x] C10vg2.4_ thick [2x] T18_vg2.4_ disk TD18_vg2.4 T18_vg2.4_ disk [2] TD18_vg2.4 _quad [2] PETS 11.4 GHz HDS11_vg2 TD18_vg2.4 _quad T28_vg2.9 C10_vg1.5 TD18_vg2.4 [2] C10vg1.5 [2x] CLEX 12GHz T18_vg2.4_diskPETS 12 GHz