Eur. Phys. J. C (2015) 75: 371
https://doi.org/10.1140/epjc/s10052-015-3511-9

Review

Physics at the linear collider

¹ II. Institute of Theoretical Physics, University of Hamburg, 22761, Hamburg, Germany
² Deutsches Elektronen Synchrotron (DESY), Hamburg und Zeuthen, 22603, Hamburg, Germany
³ Department of Physics and Astronomy, University of Oklahoma, Norman, OK, 73019, USA
⁴ Santa Cruz Institute for Particle Physics, University of California Santa Cruz, Santa Cruz, CA, USA
⁵ Laboratoire de Physique Theorique (LAPTh), Université Savoie Mont Blanc, CNRS, B.P.110, 74941, Annecy-le-Vieux, France
⁶ High Energy Accelerator Research Organisation (KEK), Tsukuba, Japan
⁷ Faculty of Physics, University of Warsaw, 02093, Warsaw, Poland
⁸ Instituto de Física de Cantabria (CSIC-UC), 39005, Santander, Spain
⁹ Department of Physics, Juntendo University, Inzai, Chiba, 270-1695, Japan
¹⁰ William I. Fine Theoretical Physics Institute, School of Physics and Astronomy, University of Minnesota, Minneapolis, MN, 55455, USA
¹¹ Max-Planck-Institut für Physik, 80805, Munich, Germany
¹² Humboldt-Universität zu Berlin, Institut für Physik, 12489, Berlin, Germany
¹³ Department of Physics, SUNY at Buffalo, Buffalo, NY, 14260-1500, USA
¹⁴ Physikalisches Institut and Bethe Center for Theoretical Physics, Universität Bonn, 53115, Bonn, Germany
¹⁵ Physikalisches Institut, University of Bonn, Bonn, Germany
¹⁶ Physik Department T31, Technische Universität München, 85748, Garching, Germany
¹⁷ LUPM, UMR 5299, Université de Montpellier II et CNRS, 34095, Montpellier, France
¹⁸ Department of Physics, Chonbuk National University, Jeonju, 561-756, Republic of Korea
¹⁹ Universität Würzburg, Institut für Theoretische Physik und Astrophysik, 97074, Würzburg, Germany
²⁰ Physikalisches Institut, Albert–Ludwigs–Universität Freiburg, 79104, Freiburg, Germany
²¹ Laboratoire de Physique, UMR 8627, CNRS, Universite de Paris-Sud, 91405, Orsay, France
²² SUPA, School of Physics and Astronomy, University of Glasgow, Glasgow, G12 8QQ, UK
²³ PITT PACC, Department of Physics and Astronomy, University of Pittsburgh, Pittsburgh, PA, 15260, USA
²⁴ Sobolev Institute of Mathematics and Novosibirsk State University, Novosibirsk, 630090, Russia
²⁵ Ottawa-Carleton Institute for Physics, Department of Physics, Carleton University, Ottawa, K1S 5B6, Canada
²⁶ ICREA at IFAE, Universitat Autonoma de Barcelona, 08193, Bellaterra, Spain
²⁷ University College Dublin, Dublin, Ireland
²⁸ Institute for Theoretical Particle Physics and Cosmology, RWTH Aachen University, 52056, Aachen, Germany
²⁹ CERN, Geneva, Switzerland
³⁰ Department of Physics, University of Toyama, 3190 Gofuku, Toyama, 930-8555, Japan
³¹ University of Hamburg, Hamburg, Germany
³² Kavli IPMU (WPI), The University of Tokyo, Kashiwa, Chiba, 277-8583, Japan
³³ Institute for Theoretical Physics, Karlsruhe Institute of Technology, 76128, Karlsruhe, Germany
³⁴ Instituto de Fisica Teorica, IFT-UAM/CSIC, Universidad Autonoma de Madrid, Cantoblanco, 28049, Madrid, Spain
³⁵ Department of Physics and Astronomy, Northwestern University, Evanston, IL, 60091, USA
³⁶ The Oskar Klein Centre, Department of Physics, Stockholm University, 106 91, Stockholm, Sweden
³⁷ Institut für Kern- und Teilchenphysik, TU Dresden, 01069, Dresden, Germany
³⁸ Université de Lyon, Université Lyon 1, 69622, Villeurbonne Cedex, France
³⁹ Centre de Recherche Astrophysique de Lyon, CNRS, UMR 5574, 69561, Saint-Genis Laval Cedex, France
⁴⁰ Ecole Normale Supérieure de Lyon, Lyon, France
⁴¹ Department of Physics and Astronomy, University of Kansas, Lawrence, KS, 66045, USA
⁴² ITFA, University of Amsterdam, Science Park 904, 1018 XE, Amsterdam, The Netherlands
⁴³ Laboratoire de L’accelerateur Lineaire (LAL), CNRS/IN2P3, Orsay, France
⁴⁴ Niels Bohr Institute, University of Copenhagen, Kobenhavn, Denmark
⁴⁵ Department of Physics and Astronomy, Johns Hopkins University, Baltimore, MD, 21218, USA
⁴⁶ Department of Physics, University of Oregon, Eugene, OR, 97403, USA
⁴⁷ Theoretical Particle Physics and Cosmology Group, Department of Physics, King’s College London, Strand, London, WC2R 2LS, UK
⁴⁸ Department of Physics, Kyushu University, 6-10-1 Hakozaki, Higashi-ku, Fukuoka, 812-8581, Japan
⁴⁹ Department of Physics, Graduate School of Science, and International Center for Elementary Particle Physics, The University of Tokyo, Tokyo, 113-0033, Japan
⁵⁰ Theoretical Physics Department, Fermi National Accelerator Laboratory, Batavia, IL, USA
⁵¹ SLAC, Stanford University, Menlo Park, CA, 94025, USA
⁵² Department of Physics, Tohoku University, Sendai, Miyagi, Japan
⁵³ CNRS, Aix Marseille U., U. de Toulon, CPT, 13288, Marseille, France
⁵⁴ Institute for Advanced Study, Technische Universität München, 85748, Garching, Germany
⁵⁵ TRIUMF, Vancouver, BC, V6T 2A3, Canada

^* e-mail: gudrid.moortgat-pick@desy.de

Received: 25 March 2015
Accepted: 9 May 2015
Published online: 14 August 2015

Abstract

A comprehensive review of physics at an linear collider in the energy range of  GeV–3 TeV is presented in view of recent and expected LHC results, experiments from low-energy as well as astroparticle physics. The report focusses in particular on Higgs-boson, top-quark and electroweak precision physics, but also discusses several models of beyond the standard model physics such as supersymmetry, little Higgs models and extra gauge bosons. The connection to cosmology has been analysed as well.