Prompt Photons and Particle Momentum Distributions at HERA

TL;DR

This paper presents recent measurements of prompt photon production and hadron momentum distributions at HERA, providing insights into quantum chromodynamics processes in electron-proton collisions.

Contribution

It reports new differential cross section measurements for prompt photons and hadron momentum distributions in DIS and photoproduction at HERA.

Findings

Measured inclusive prompt photon cross sections in DIS and photoproduction.

Analyzed scaled momentum distributions of charged hadrons in high $Q^2$ DIS.

Compared experimental results with QCD predictions.

Abstract

Recent results, obtained by the H1 and ZEUS collaborations, are presented on differential cross sections, for inclusive prompt photon production in DIS and for photoproduction of prompt photons accompanied by a hadronic jet. Also presented are cross sections of normalised scaled momentum distribution of charged final state hadrons, measured by H1 in DIS $ep$ collisions at high $Q^2$ in the Breit frame of reference.