Top physics at high-energy lepton colliders

Abstract

A summary is presented of the workshop "top physics at linear colliders" that was held at IFIC Valencia from the 30th of June to the 3rd July 2015. We present an up-to-date status report of studies into the potential for top quark physics of lepton colliders with an energy reach that exceeds the top quark pair production threshold, with a focus on the linear collider projects ILC and CLIC. This summary shows that such projects can offer very competitive determinations of top quark properties (mass, width) and its interactions with other Standard Model particles, in particular electroweak gauge bosons and the Higgs boson. In both areas the prospects exceed the LHC potential significantly - often by an order of magnitude.

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• Top quark mass measurement in radiative events at electron-positron colliders
• Sensitivity of CLIC at 380 GeV to the top FCNC decay $t\to cH$
• Top quark physics in the Large Hadron Collider era
• Top physics at CLIC and ILC
• Top physics beyond the LHC