From the LHC to Future Colliders

Preprint number: CP3-Origins-2009-11
Authors: K. Assamagan (Brookhaven National Laboratory), G. Azuelos (University of Montreal & TRIUMF), P. Bechtle (DESY-Hamburg), M. Carena (Fermi National Accelerator Laboratory), G. Chachamis (Paul Scherrer Institut), K.F. Chen (National Taiwan University), S. De Curtis (University of Florence & INFN), S. Dawson (Brookhaven National Laboratory), K. Desch (University of Bonn), M. Dittmar (CERN), H. Dreiner (University of Bonn), M. Dührssen (University of Freiburg), J. Ellis (CERN), B. Foster (University of Oxford), M.T. Frandsen (CP3-Origins & Rudolf Peierls Centre for Theoretical Physics), A. Giammanco (CP3-Louvain), R. Godbole (Centre for High Energy Physics, Indian Institute of Science), P. Govoni (University of Milano-Bicocca & INFN), B. Gripaios (CERN), C. Grojean (CERN & CEA-Saclay), J. Gunion (University of California Davis), T. Han (University of Wisconsin), S. Heinemeyer (IFCA), J. Hewett (SLAC), W. Hollik (Max Planck Institute for Physics), W.S. Hou (National Taiwan University), G. Isidori (INFN & Laboratori Nazionali di Frascati), K. Jakobs (University of Freiburg), A. Juste (Fermi National Accelerator Laboratory), J. Kalinowski (University of Warsaw), A. Korytov (University of Florida), E. Kou (Paris-Sud University), S. Kraml (CNRS/IN2P3), M. Krawczyk (University of Warsaw), M. Lancaster (University College London), C. Mariotti (INFN), A. Martin (Yale University), B. Mele (INFN & Sapienza University of Rome), D. Milstead (Stockholm University), K. Moenig (DESY-Zeuthen), F. Moortgat (ETH Zurich-Hönggerberg), G. Moortgat-Pick (IPPP), V. Morton-Thurtle (IPPP), E. Ozcan (University College London), M. Pieri (University of California San Diego), T. Plehn (Heidelberg University), G. Polesello (INFN), L. Reina (Florida State University), E. Richter-Was (Jagiellonian University & Institute of Nuclear Physics PAN), S. Riemann (DESY-Hamburg), T. Rizzo (SLAC), A. De Roeck (CERN & University of Antwerp), K. Rolbiecki (IPPP), F. Sannino (CP3-Origins), M. Schram (McGill University), M. Schumacher (University of Freiburg), J. Smillie (IPPP), S. Sultansoy (TOBB University of Economics and Technology), J. Tattersall (IPPP), P. Uwer (Humboldt University of Berlin), B. Webber (Cavendish Laboratory), G. Weiglein (IPPP), J. Wells (CERN), and P. Wienemann (University of Bonn)
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Discoveries at the LHC will soon set the physics agenda for future colliders. This report of a CERN Theory Institute includes the summaries of Working Groups that reviewed the physics goals and prospects of LHC running with 10 to 300/fb of integrated luminosity, of the proposed sLHC luminosity upgrade, of the ILC, of CLIC, of the LHeC and of a muon collider. The four Working Groups considered possible scenarios for the first 10/fb of data at the LHC in which (i) a state with properties that are compatible with a Higgs boson is discovered, (ii) no such state is discovered either because the Higgs properties are such that it is difficult to detect or because no Higgs boson exists, (iii) a missing-energy signal beyond the Standard Model is discovered as in some supersymmetric models, and (iv) some other exotic signature of new physics is discovered. In the contexts of these scenarios, the Working Groups reviewed the capabilities of the future colliders to study in more detail whatever new physics may be discovered by the LHC. Their reports provide the particle physics community with some tools for reviewing the scientific priorities for future colliders after the LHC produces its first harvest of new physics from multi-TeV collisions.