Physics potential and experimental challenges of the LHC luminosity upgrade

TL;DR

This paper analyzes the feasibility and physics payoff of boosting the LHC luminosity to $10^{35}$ cm$^{-2}$s$^{-1}$ (SLHC). It surveys the experimental challenges posed by an extreme radiation environment and outlines detector R&D needs for ATLAS and CMS to maintain performance. The authors illustrate increased physics potential with examples ranging from precision Standard Model measurements in the Higgs sector to expanded discovery reach for new physics. The work defines the framework for detector technology developments and analysis strategies essential to exploit a high-luminosity era and informs upgrade planning decisions.

Abstract

We discuss the physics potential and the experimental challenges of an upgraded LHC running at an instantaneous luminosity of 10**35 cm-2s-1. The detector R&D needed to operate ATLAS and CMS in a very high radiation environment and the expected detector performance are discussed. A few examples of the increased physics potential are given, ranging from precise measurements within the Standard Model (in particular in the Higgs sector) to the discovery reach for several New Physics processes