Rosenbluth Nonlinearity from Two-Photon Exchange
Zainul Abidin, Carl E. Carlson (William, Mary)
TL;DR
This paper investigates the nonlinearity in Rosenbluth plots caused by two-photon exchange corrections in electron-proton scattering, using a generalized parton distribution formalism to improve upon classic radiative correction calculations.
Contribution
It introduces a formalism based on generalized parton distributions to quantify two-photon exchange effects on Rosenbluth plot nonlinearity, advancing the understanding of radiative corrections.
Findings
Quantifies nonlinearity in Rosenbluth plots due to two-photon exchange
Provides a formalism to incorporate two-photon corrections in scattering analysis
Enhances accuracy of electron-proton scattering measurements
Abstract
We calculate, using a generalized parton distribution based formalism, the nonlinearity of the Rosenbluth plots that arise from hard two-photon exchange corrections that are not included in the classic calculations of the radiative corrections to electron-proton elastic scattering.
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