A quantum representation of pi fragmentation functions through variational quantum circuits

arXiv:2609.20557 · hep-ph, quant-ph · Submitted 2026-09-17 · Read on arXiv

hep-ph, quant-ph

Submitted: 2026-09-17

Updated: 2026-09-17

Terminology

• Entanglement — 10× in this paper · explained in 3 episodes
• Loss Function — 10× in this paper · explained in 2 episodes
• Quantum Circuits — 8× in this paper · explained in 2 episodes
• Accuracy — 6× in this paper · explained in 1 episode
• Adam — 3× in this paper · explained in 2 episodes
• Benchmark — 3× in this paper · explained in 2 episodes
• Activation Function — 2× in this paper · explained in 1 episode
• Quantum Machine Learning — 2× in this paper
• Ablation — 1× in this paper · explained in 1 episode
• Ablation study — 1× in this paper · explained in 1 episode
• Consistency — 1× in this paper · explained in 3 episodes
• Cooperation — 1× in this paper · explained in 2 episodes
• High-Energy Physics — 1× in this paper
• Hilbert Space — 1× in this paper · explained in 2 episodes
• Monte Carlo Analysis — 1× in this paper · explained in 2 episodes
• Reconstruction Error — 1× in this paper · explained in 2 episodes
• Relativistic Heavy Ion Collider — 1× in this paper

Sources

• On the definition of fragmentation functions and the violation of sum rules
• Multiplicities of charged pions and kaons from semi-inclusive deep-inelastic scattering by the proton and the deuteron
• Fragmentation Functions measurement at COMPASS
• Neutral pion and $\eta$ meson production in proton-proton collisions at $\sqrt{s}=0.9$ TeV and $\sqrt{s}=7$ TeV
• Production of $\pi^0$ and $\eta$ mesons up to high transverse momentum in pp collisions at 2.76 TeV
• Nuclear modification factor of light neutral-meson spectra up to high transverse momentum in p-Pb collisions at $\sqrt{s_{\rm NN}}$ = 8.16 TeV
• Pion Fragmentation Functions at High Energy Colliders
• Global Analysis of Fragmentation Functions for Protons and Charged Hadrons
• Parton-to-Pion Fragmentation Reloaded
• Parton-to-Kaon Fragmentation Revisited
• Towards a Global QCD Analysis of Fragmentation Functions at Next-To-Next-To-Leading Order Accuracy
• Charged hadron fragmentation functions from collider data
• Simultaneous Monte Carlo analysis of parton densities and fragmentation functions
• Simultaneous extraction of fragmentation functions of light charged hadrons with mass corrections
• Fragmentation Functions for $\Xi ^-/\bar{\Xi}^+$ Using Neural Networks
• A determination of parton distributions with faithful uncertainty estimation
• A first unbiased global NLO determination of parton distributions and their uncertainties
• Towards a new generation of parton densities with deep learning models
• A First Determination of Parton Distributions with Theoretical Uncertainties
• Data re-uploading for a universal quantum classifier

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