Contributed paper to EPAC2000 LINAC*LHC BASED ep, γp, eA, γA and FELγ-A COLLIDERS

Main parameters of different colliders which can be realized if a special 1 TeV energy linear electron accelerator or corresponding linear collider is constructed tangential to LHC are estimated. It is shown that Lep=10 cms at √sep=5.29 TeV can be achieved within moderate upgrade of LHC parameters. Then, γp collider with the same luminosity and √s=4.82 TeV can be realized using Compton backscattering of laser beam off the electron beam. Concerning the nucleus beam, L∗A=10cms can be achieved at least for light and medium nuclei both for eA and γA options. Finally, colliding of the FEL beam from an electron linac with nucleus beams from LHC will give a new opportunity to investigate nuclear spectroscopy and photo-nuclei reactions.