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- M. Klein
Liverpool University, Science Faculty, Liverpool
- H. Aksakal
N. U, Nigde
- F. Bordry, H.-H. Braun, O. S. Brüning, H. Burkhardt, R. Garoby, J. M. Jowett, T. P.R. Linnecar, K. H. Mess, J. A. Osborne, L. Rinolfi, D. Schulte, R. Tomas, J. Tuckmantel, F. Zimmermann, A. de Roeck
CERN, Geneva
- S. Chattopadhyay, J. B. Dainton
Cockcroft Institute, Warrington, Cheshire
- A. K. Ciftci
Ankara University, Faculty of Sciences, Tandogan/Ankara
- A. Eide
EPFL, Lausanne
- B. J. Holzer
DESY, Hamburg
- P. Newman
Birmingham University, Birmingham
- E. Perez
CEA, Gif-sur-Yvette
- S. Sultansoy
TOBB ETU, Ankara
- A. Vivoli
LAL, Orsay
- F. J. Willeke
BNL, Upton, New York
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The LHeC collides a lepton beam with one of the intense, LHC, hadron beams. It achieves both e± interactions with quarks at the terascale, at eq masses in excess of 1 TeV, with a luminosity of about 1033 cm-2 s-1, and it also enables a sub-femtoscopic probe of hadronic matter at unprecedented chromodynamic energy density, at Bjorken-x values down to 10-6 in the deep inelastic scattering domain. The LHeC combines the LHC infrastructure with recent advances in radio-frequency, in linear acceleration and in other associated technologies, to enable two proposals for TeV ep collisions: a "ring-ring" option in which 7 TeV protons (and ions) collide with about 70 GeV electrons/positrons in a storage ring in the LHC tunnel and a "linac-ring" option based on an independent superconducting linear accelerator enabling single-pass collisions of electrons and positrons of up to about 140 GeV with an LHC hadron beam. Both options will be presented and compared. Steps are outlined for completing a Conceptual Design Review of the accelerator complex, beam delivery, luminosity, physics and implications for experiment, following declared support by ECFA and by CERN for a CDR.
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