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Related papers: Road map for the tuning of hadronic interaction mo…

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In this proceedings I discuss the general strategy and impact of tuning Monte-Carlo event generators for physics processes involving top quarks. Special emphasis is put on disinguishing the different usages of event generators in the…

High Energy Physics - Phenomenology · Physics 2019-01-16 Marek Schönherr

Given the current landscape in experimental high-energy physics, these lectures are focused on applications of event generators for hadron colliders like the Tevatron and LHC. Section 2 contains a first overview of the physics picture and…

High Energy Physics - Phenomenology · Physics 2009-11-30 Torbjörn Sjöstrand

Event shape and charged particle inclusive distributions determined from 750 000 hadronic Z events measured with the DELPHI detector at LEP are presented. The statistical and systematic precision of this data allows for a decisive…

High Energy Physics - Experiment · Physics 2016-08-31 K. Hamacher , M. Weierstall

A new Monte Carlo program for photohadronic interactions of relativistic nucleons with an ambient photon radiation field is presented. The event generator is designed to fulfil typical astrophysical requirements, but can also be used for…

Astrophysics · Physics 2011-05-05 A. Muecke , Ralph Engel , J. P. Rachen , R. J. Protheroe , Todor Stanev

The optimisation (tuning) of the free parameters of Monte Carlo event generators by comparing their predictions with data is important since the simulations are used to calculate experimental efficiency and acceptance corrections, or…

High Energy Physics - Phenomenology · Physics 2023-11-07 Salvatore La Cagnina , Kevin Kröninger , Stefan Kluth , Andrii Verbytskyi

Hadronization models used in event generators are physics-inspired functions with many tunable parameters. Since we do not understand hadronization from first principles, there have been multiple proposals to improve the accuracy of…

High Energy Physics - Phenomenology · Physics 2023-12-15 Jay Chan , Xiangyang Ju , Adam Kania , Benjamin Nachman , Vishnu Sangli , Andrzej Siodmok

We introduce a foundation model for event classification in high-energy physics, built on a Graph Neural Network architecture and trained on 120 million simulated proton-proton collision events spanning 12 distinct physics processes. The…

High Energy Physics - Phenomenology · Physics 2026-05-08 Joshua Ho , Benjamin Ryan Roberts , Shuo Han , Haichen Wang

Ultra-peripheral heavy-ion collisions (UPCs) provide a distinct environment for high-energy QCD research, focusing on the production of vector mesons. This proceeding details recent advancements in the Sar$t$re Monte Carlo event generator,…

High Energy Physics - Phenomenology · Physics 2025-11-18 Vaidehi Nattoja , Tobias Toll

Studies of the influence of different hadronic models on extensive air showers at ultra-high energies are presented. The hadronic models considered are those implemented in the well-known QGSJET and SIBYLL event generators. The different…

High Energy Physics - Phenomenology · Physics 2009-10-31 L. A. Anchordoqui , M. T. Dova , L. N. Epele , S. J. Sciutto

Accurate and fast simulation of particle physics processes is crucial for the high-energy physics community. Simulating particle interactions with detectors is both time consuming and computationally expensive. With the proton-proton…

High Energy Physics - Experiment · Physics 2021-08-26 Ali Hariri , Darya Dyachkova , Sergei Gleyzer

As a classical generative modeling approach, energy-based models have the natural advantage of flexibility in the form of the energy function. Recently, energy-based models have achieved great success in modeling high-dimensional data in…

Machine Learning · Computer Science 2024-01-19 Taoli Cheng , Aaron Courville

Modelling the underlying event in high-energy hadronic collisions is important for physics at colliders. This includes lepton colliders, where low-virtuality photons accompanying the lepton beam(s) may develop hadronic structure. Similarly,…

High Energy Physics - Phenomenology · Physics 2024-12-17 J. M. Butterworth , I. M. Helenius , J. J. Juan Castella , B. Pattengale , S. Sanjrani , M. Wing

Event generators simulate particle interactions using Monte Carlo techniques, providing the primary connection between experiment and theory in experimental high energy physics. These software packages, which are the first step in the…

Monte Carlo models of DIS e-gamma scattering must describe hard emissions as well as the soft and collinear limits. Comparison with the observed experimental hadronic energy flow has shown that various models underestimate the high-p_T…

High Energy Physics - Experiment · Physics 2007-05-23 J. A. Lauber , L. Lonnblad , M. H. Seymour

Precision phenomenological studies of high-multiplicity scattering processes at collider experiments present a substantial theoretical challenge and are vitally important ingredients in experimental measurements. Machine learning technology…

High Energy Physics - Phenomenology · Physics 2023-02-20 Ryan Moodie

We present a combined analysis of the Pythia 8 event generator using accelerator data and evaluate its impact on air shower observables. Reliable simulations with event generators are essential for particle physics analyses, achievable…

High Energy Astrophysical Phenomena · Physics 2025-09-19 Michael Windau , Chloé Gaudu , Karl-Heinz Kampert , Kevin Kröninger

The event generator Sibyll can be used for the simulation of hadronic multiparticle production up to the highest cosmic ray energies. It is optimized for providing an economic description of those aspects of the expected hadronic final…

High Energy Physics - Phenomenology · Physics 2015-10-05 Felix Riehn , Ralph Engel , Anatoli Fedynitch , Thomas K. Gaisser , Todor Stanev

To measure the $R$ value in an energy scan experiment with $\ee$ collisions, precise calculation of initial state radiation is required in event generators. We present an event generator for this consideration, which incorporates initial…

High Energy Physics - Experiment · Physics 2016-11-14 Rong-Gang Ping , Xi-An Xiong , Lei Xia , Zhen Gao , Ying-Tian Li , Xing-Yu Zhou , Bing-Xin Zhang , Bo Zheng Wen-Biao Yan , Hai-Ming Hu , Guang-Shun Huang