CERN Accelerating science

FCC Document
Report number	CERN-ACC-2017-0019
Title	Future Circular Collider Study FCC-he Baseline Parameters
Author(s)	Bruning, Oliver (CERN) ; Jowett, John (CERN) ; Klein, Max (University of Liverpool (GB)) ; Pellegrini, Dario (CERN) ; Schulte, Daniel (CERN) ; Zimmermann, Frank (CERN)
Publication	2017
Imprint	06 Apr 2017
Number of pages	mult.
Subject category	Accelerators and Storage Rings
Study	CERN FCC
Keywords	hadron collider ; lepton collider
Abstract	Initial considerations are presented on the FCC-he, the electron-hadron collider con guration within the Future Circular Collider study. This note considers arguments for the choice of the electron beam energy based on physics, ep scattering kinematics and cost. The default con guration for the electron accelerator, as for the LHeC, is chosen to be a multi-turn energy recovery linac external to the proton beam tunnel. The main accelerator parameters of the FCC-he are discussed, assuming the concurrent operation of ep with the 100TeV cms energy pp collider. These are compared with the LHeC design concept, for increased performance as for a Higgs facility using the HL-LHC, and also the high energy HE-LHC ep collider configuration. Initial estimates are also provided for the luminosity performance of electron-ion colliders for the 60 GeV electron ERL when combined with the LHC, the HE-LHC and the FCC ion beams.
Submitted by	[email protected] ; [email protected]