| Abstract: | The successful operation of the Large Hadron Collider (LHC) and the excellent
performance of the ATLAS, CMS, LHCb and ALICE detectors in Run-1 and Run-2 with
$pp$ collisions at center-of-mass energies of 7, 8 and 13 TeV as well as the
giant leap in precision calculations and modeling of fundamental interactions
at hadron colliders have allowed an extraordinary breadth of physics studies
including precision measurements of a variety physics processes. The LHC
results have so far confirmed the validity of the Standard Model of particle
physics up to unprecedented energy scales and with great precision in the
sectors of strong and electroweak interactions as well as flavour physics, for
instance in top quark physics. The upgrade of the LHC to a High Luminosity
phase (HL-LHC) at 14 TeV center-of-mass energy with 3 ab$^{-1}$ of integrated
luminosity will probe the Standard Model with even greater precision and will
extend the sensitivity to possible anomalies in the Standard Model, thanks to a
ten-fold larger data set, upgraded detectors and expected improvements in the
theoretical understanding. This document summarises the physics reach of the
HL-LHC in the realm of strong and electroweak interactions and top quark
physics, and provides a glimpse of the potential of a possible further upgrade
of the LHC to a 27 TeV $pp$ collider, the High-Energy LHC (HE-LHC), assumed to
accumulate an integrated luminosity of 15 ab$^{-1}$. |
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