$\Delta$ Contribution to $ pp \to pp\pi^0$

TL;DR

This paper provides a model-independent analysis of Delta resonance contributions to proton-proton to proton-proton neutral pion production, identifying their effects on various partial wave amplitudes.

Contribution

It introduces a novel, model-independent approach to analyze Delta contributions in $pp o pp o ext{pi}^0$ reactions, including multiple channels.

Findings

Delta contributions identified in 16 partial wave amplitudes

Consideration of $Ds$ and $Sd$ channels enhances analysis accuracy

Provides insights into resonance effects in pion production

Abstract

A model independent discussion of $\Delta-$production in $pp \to pp \pi^0$ is presented and the $\Delta-$contributions to the 16 $pp \to pp\pi^0$ partial wave amplitudes are identified taking the $Ds$ and $Sd$ channels also into consideration.