1. 1 st October 2008 Réunion sur la contribution exceptionnelle de la FrancePositron generation L. Rinolfi (CERN) Contribution exceptionnelle de la France

2. 1 st October 2008 Réunion sur la contribution exceptionnelle de la FrancePositron generation Thermoinic gun Unpolarized e - Laser DC gun Polarized e - Pre-injector Linac for e - 200 MeV Pre-injector Linac for e + 200 MeV Primary beam Linac for e - 5 GeV Injector Linac 2.2 GeV e + DR e + PDR 2.424 GeV 365 m Booster Linac 6.6 GeV 4 GHz e + BC1 e - BC1 e + BC2 e - BC2 e + Main Linac e - Main Linac 12 GHz, 100 MV/m, 21 km 2 GHz e - DR e - PDR 2 GHz 4 GHz 12 GHz 9 GeV 48 km 561 m 234 m 2.424 GeV 365 m RTML 110 m 50 m e - /  Target  e  Target AMD 2.424 GeV 365 m 2.424 GeV 365 m The CLIC Injector complex in 2008 3 TeV Base line configuration

3. 1 st October 2008 Réunion sur la contribution exceptionnelle de la FrancePositron generation Conventional e + source based on channelling A e - beam impinges on the crystal: - energy of 5 GeV - beam size of 2.5 mm crystal amorphous e-e- e-e- e+e+ Yield: 0.9 e + / e - @ 200 MeV A crystal e+ source : - a 1.4 mm thick W crystal oriented along axis - a 10 mm thick W amorphous disk  Charged particles are swept off after the crystal:only  (> 2MeV) impinge on the amorphous target. e-e- e+e+ R. Chehab, A. Variola, A. Vivoli / LAL, V.M.Strakhovenko / BINP - Novosibirsk

4. 1 st October 2008 Réunion sur la contribution exceptionnelle de la FrancePositron generation The CLIC Injector complex (Compton) 3 TeV Laser Compton ring configuration Laser DC gun Polarized e - Pre-injector Linac for e - 200 MeV e + Target Pre-injector Linac for e + 200 MeV Injector Linac 2.2 GeV e + DR 2.424 GeV Booster Linac 6.6 GeV 4 GHz e + BC1 e - BC1 e + BC2 e - BC2 e + Main Linac e - Main Linac 2 GHz e - DR e - PDR 2 GHz 4 GHz 12 GHz 9 GeV 48 km e - Drive Linac 1.3 GeV Compton ring e + PDR and Accumulator ring  2 GHz RF gun Stacking cavity 2.424 GeV

5. 1 st October 2008 Réunion sur la contribution exceptionnelle de la FrancePositron generation Fabry-Perot cavity developed at LAL

6. 1 st October 2008 Réunion sur la contribution exceptionnelle de la FrancePositron generation Collaboration for laser developments

7. 1 st October 2008 Réunion sur la contribution exceptionnelle de la FrancePositron generation Tests at ATF / KEK

8. 1 st October 2008 Réunion sur la contribution exceptionnelle de la FrancePositron generation CERN/LAL collaboration studies on CLIC e + sources L. Rinolfi (CERN), A. Variola (LAL) Document written in August, dated 2 September 2008 Sent to the CERN DG on 3 September 2008

9. 1 st October 2008 Réunion sur la contribution exceptionnelle de la FrancePositron generation Proposal for e + source studies for the CLIC Base Line (unpolarized e + ) Proposal for e + source studies for the CLIC Compton ring (polarized e + ) Two proposals with corresponding deliverables

10. 1 st October 2008 Réunion sur la contribution exceptionnelle de la FrancePositron generation Man power and Schedule October 2008 to October 2010 Schedule: (assuming green light from CERN DG this month)