Measuring sigma(e^+e^- \to hadrons) using tagged photon

TL;DR

This paper introduces a method to measure the total cross section of e^+e^- to hadrons by analyzing events with radiated photons, demonstrating its potential accuracy through Monte Carlo simulations at DAPHNE.

Contribution

The paper proposes a novel photon-tagging technique to determine e^+e^- to hadrons cross sections, offering a new approach for experimental measurements.

Findings

Monte Carlo simulations show the method's competitive accuracy

Photon tagging effectively measures cross sections as a function of energy

Potential for improved precision in hadronic cross section measurements

Abstract

We propose to use events with radiated photons in e^+e^- collisions to measure the total cross section of e^+ e^- \to hadrons as a function of the center of mass energy. The Monte Carlo simulation for the collider DAPHNE shows that a competitive accuracy can be achieved with this method.