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Related papers: Systematic event generator tuning for the LHC

200 papers

We apply, for the first time, Bayes Linear Emulation and History Matching to the calibration of non-perturbative models in Monte Carlo event generators. In contrast to the usual approach of "Monte Carlo tuning", History Matching does not…

High Energy Physics - Phenomenology · Physics 2026-02-27 Andrew Iskauskas , Max Knobbe , Frank Krauss , Steffen Schumann

I describe the work of the CEDAR collaboration in developing tools for tuning and validating Monte Carlo event generator programs. The core CEDAR task is to interface the Durham HepData database of experimental measurements to event…

High Energy Physics - Phenomenology · Physics 2008-12-18 Andy Buckley

We introduce GRANIITTI, a new Monte Carlo event generator designed especially to solve the enigma of glueballs at the LHC. We discuss the available physics processes, compare the simulations against STAR data from RHIC and span ambitious…

High Energy Physics - Phenomenology · Physics 2023-04-13 Mikael Mieskolainen

Recently the collider physics community has seen significant advances in the formalisms and implementations of event generators. This review is a primer of the methods commonly used for the simulation of high energy physics events at…

This contribution lists challenges of Monte Carlo event generators for future lepton, especially linear colliders. A lot of the recent development benefits from the achievements at the Large Hadron Collider (LHC), but several aspects are…

High Energy Physics - Phenomenology · Physics 2024-12-19 Jürgen Reuter

Event detection and text reasoning have become critical applications across various domains. While LLMs have recently demonstrated impressive progress in reasoning abilities, they often struggle with event detection, particularly due to the…

Computation and Language · Computer Science 2024-09-04 Mazal Bethany , Emet Bethany , Brandon Wherry , Cho-Yu Chiang , Nishant Vishwamitra , Anthony Rios , Peyman Najafirad

We review recent theoretical improvements of Monte Carlo event generators for top-quark pair production and decay at the LHC based on the POWHEG method. We present an event generator that implements spin correlations and off-shell effects…

High Energy Physics - Phenomenology · Physics 2018-01-22 Tomáš Ježo

We present a generator for lepton nucleon collisions in the DIS regime, focusing in particular on processes with a massive lepton and/or a massive quark in the final state. We have built a full code matching NLO QCD corrections to parton…

High Energy Physics - Phenomenology · Physics 2024-06-10 Luca Buonocore , Giovanni Limatola , Paolo Nason , Francesco Tramontano

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

Recently a two-Higgs-doublet model with maximal symmetry under generalised CP transformations, the MCPM, has been proposed. The theory features a unique fermion mass spectrum which, although not describing nature precisely, provides a good…

High Energy Physics - Phenomenology · Physics 2012-07-02 Johann Brehmer

We present powerful new analysis techniques to constrain effective field theories at the LHC. By leveraging the structure of particle physics processes, we extract extra information from Monte-Carlo simulations, which can be used to train…

High Energy Physics - Phenomenology · Physics 2018-09-19 Johann Brehmer , Kyle Cranmer , Gilles Louppe , Juan Pavez

A leading-order, leading-color parton-level event generator is developed for use on a multi-threaded GPU. Speed-up factors between 150 and 300 are obtained compared to an unoptimized CPU-based implementation of the event generator. In this…

High Energy Physics - Phenomenology · Physics 2011-07-14 Walter Giele , Gerben Stavenga , Jan-Christopher Winter

Precision measurements at the LHC often require analyzing high-dimensional event data for subtle kinematic signatures, which is challenging for established analysis methods. Recently, a powerful family of multivariate inference techniques…

High Energy Physics - Phenomenology · Physics 2020-01-22 Johann Brehmer , Felix Kling , Irina Espejo , Kyle Cranmer

In this paper the current release of the Monte Carlo event generator Sherpa, version 1.1, is presented. Sherpa is a general-purpose tool for the simulation of particle collisions at high-energy colliders. It contains a very flexible…

High Energy Physics - Phenomenology · Physics 2009-02-12 T. Gleisberg , S. Hoeche , F. Krauss , M. Schoenherr , S. Schumann , F. Siegert , J. Winter

The next generation of electron-positron colliders will require unprecedented precision in both theory and experiment. Sophisticated software frameworks are essential to evaluate detector concepts, optimize designs, and simulating physical…

High Energy Physics - Phenomenology · Physics 2025-09-25 Alan Price , Dirk Zerwas

This paper presents a new set of parameters ("tunes") for the underlying-event model of the HERWIG 7 event generator. These parameters control the description of multiple-parton interactions (MPI) and colour reconnection in HERWIG 7, and…

High Energy Physics - Experiment · Physics 2021-04-15 CMS Collaboration

The observation of heavy-ion-like behaviour in pp collisions at the LHC suggests that more physics mechanisms are at play than traditionally assumed. The introduction e.g. of quark-gluon plasma or colour rope formation can describe several…

High Energy Physics - Phenomenology · Physics 2017-03-08 Nadine Fischer , Torbjörn Sjöstrand

The recent developments on PYQUEN, HYDJET and HYDJET++ event generators are presented. The partonic energy loss model PYQUEN is implemented as the modification of the "standard" jet event obtained with the generator of hadron-hadron…

High Energy Physics - Phenomenology · Physics 2010-02-09 I. P. Lokhtin , L. V. Malinina , S. V. Petrushanko , A. M. Snigirev , I. Arsene , K. Tywoniuk

We present a new version of the CompHEP program (version 4.4). We describe shortly new issues implemented in this version, namely, simplification of quark flavor combinatorics for the evaluation of hadronic processes, Les Houches Accord…

High Energy Physics - Phenomenology · Physics 2008-11-26 E. Boos , V. Bunichev , M. Dubinin , L. Dudko , V. Ilyin , A. Kryukov , V. Edneral , V. Savrin , A. Semenov , A. Sherstnev