Two-hadron interference fragmentation functions. Part II: a model calculation

TL;DR

This paper provides a model-based calculation of interference fragmentation functions for two-hadron production in a jet, offering numerical estimates for proton-pion pairs near the Roper resonance.

Contribution

It introduces a complete calculation of interference fragmentation functions using a spectator model, specifically for proton-pion pairs in a jet.

Findings

Numerical estimates for the interference fragmentation functions near the Roper resonance.

First complete model calculation of these functions for proton-pion pairs.

Insights into the hadronization process in jet fragmentation.

Abstract

We present a model calculation of leading order interference fragmentation functions arising from the distribution of two hadrons produced in the same jet of a fragmenting quark in a hard process. Using a simple spectator model for the mechanism of the hadronization process, for the first time we give a complete calculation and numerical estimates for the example of a proton-pion pair production with its invariant mass on the Roper resonance.