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Optimising simulations for diphoton production at hadron colliders using amplitude neural networks

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arxiv 2106.09474 v2 pith:5DPCU4IE submitted 2021-06-17 hep-ph cs.AIcs.LG

Optimising simulations for diphoton production at hadron colliders using amplitude neural networks

classification hep-ph cs.AIcs.LG
keywords networksneuralsimulationsdiphotoneventhadronperformproduction
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Machine learning technology has the potential to dramatically optimise event generation and simulations. We continue to investigate the use of neural networks to approximate matrix elements for high-multiplicity scattering processes. We focus on the case of loop-induced diphoton production through gluon fusion and develop a realistic simulation method that can be applied to hadron collider observables. Neural networks are trained using the one-loop amplitudes implemented in the NJet C++ library and interfaced to the Sherpa Monte Carlo event generator where we perform a detailed study for $2\to3$ and $2\to4$ scattering problems. We also consider how the trained networks perform when varying the kinematic cuts effecting the phase space and the reliability of the neural network simulations.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. MadSpace -- Event Generation for the Era of GPUs and ML

    hep-ph 2026-02 conditional novelty 6.0

    MadSpace is a GPU-native compute-graph event-generation library that matches MadGraph LO physics in validation and introduces the analytic FastRambo phase-space mapping.

  2. A Novel Implementation of the Matrix Element Method at Next-to-Leading Order for the Measurement of the Higgs Self-Coupling ${\lambda}_{3H}$

    hep-ph 2026-02 conditional novelty 6.0

    A new POWHEG–MoMEMta interface and 'Block N' phase-space block realize the first MEM@NLO for gg→HH→bbγγ, recovering κλ=1 within ~0.5 expected uncertainty on Monte Carlo pseudo-experiments.

  3. Amplitude Uncertainties Everywhere All at Once

    hep-ph 2025-08 unverdicted novelty 4.0

    Compares ensemble, Bayesian, and evidential regression approaches for uncertainty quantification in amplitude surrogates and shows they detect localized training data issues.