1. Summary of  Collider Scenarios Bruce Schumm 6/19 Scenarios Meeting

2. Higgs Factory Physics CP Quantum Numbers (longitudinal and transverse photon pol) CP Violation in the  h,A,H loops Higgs Couplings (widths)    WW  Tot

3. `LHC WEDGE’   (meas) /   (SM) 1-2  4-5   WW (meas) /  WW (SM)

5. Low-Energy  Option Would be premier  facility ~2010 Physics…?  cross section Charm, bottom spectroscopy Polarized cross section Quark/baryon hadronization Heavy quark baryons Photon structure B c   ? SUSY Higgs?

6. Low-Energy  Option Costs  Collisions not yet proven technology Demonstrate all but Short pulse train High-power laser (100 J vs. 5 J) For ~ $10 M. To get to full physics program, more like (??)  ¼ G$ 