Synchrotron radiation damping, intrabeam scattering and beam-beam simulations for HE-LHC

TL;DR

This paper investigates the complex interplay of synchrotron radiation damping, intrabeam scattering, and beam-beam effects in the proposed HE-LHC, using simulations to predict luminosity and beam stability.

Contribution

It provides the first detailed simulation of beam-beam effects considering the unique combination of SR damping and IBS in HE-LHC.

Findings

Calculated SR and IBS parameters for HE-LHC

Simulated luminosity evolution without beam-beam interaction

Predicted particle losses and emittance growth due to beam-beam effects

Abstract

The proposed High-Energy LHC project presents an unusual combination of strong synchrotron radiation (SR) damping and intrabeam scattering (IBS), which is not seen in present-day hadron colliders. The subject of investigation reported in this paper was the simulation of beam-beam effect for the HE-LHC parameters. Parameters of SR and IBS are calculated, and the luminosity evolution is simulated in the absence of beambeam interaction. Then, a weak-strong numerical simulation is used to predict the effect of beam-beam interaction on particle losses and emittance evolution.