Measuring luminosity at LHCb using elastic diphoton dimuon production

TL;DR

This paper proposes an indirect method to measure luminosity at LHCb by analyzing elastic diphoton dimuon production events, promising high precision with limited data.

Contribution

The paper introduces a novel luminosity measurement technique based on elastic diphoton dimuon production, offering improved accuracy over existing methods.

Findings

Preliminary MC studies indicate <2% precision with 1 fb^{-1} data.

The method is feasible and promising for future luminosity measurements.

Potential for more accurate luminosity calibration at LHCb.

Abstract

We report on an indirect method being used to measure luminosity at LHCb. It involves recording the event rate of elastic diphoton dimuon production. Preliminary MC studies suggest that with 1 fb^{-1} of data this method could provide a luminosity measurement with a precision of better than 2%