English
Related papers

Related papers: A Parton Shower for High Energy Jets

200 papers

The most commonly employed formalisms of radiative energy loss have been derived in the high- energy approximation. In its present form, it is reliable only for the medium modifications of inclusive particle spectra. Modifications to this…

High Energy Physics - Phenomenology · Physics 2009-11-18 Nestor Armesto , Leticia Cunqueiro , Carlos A. Salgado

We present an implementation of the next-to-leading order dijet production process in hadronic collisions in the framework of POWHEG, which is a method to implement NLO calculations within a shower Monte Carlo context. In constructing the…

High Energy Physics - Phenomenology · Physics 2015-05-20 Simone Alioli , Keith Hamilton , Paolo Nason , Carlo Oleari , Emanuele Re

The production of the three jets in hadron-hardon collision is the first more complex process which allow us to define a branch of variables in order to do more precise measurement of the strong coupling and the parton distribution function…

High Energy Physics - Phenomenology · Physics 2008-11-26 Zoltan Nagy

Machine learning methods incorporating deep neural networks have been the subject of recent proposals for new hadronic resonance taggers. These methods require training on a dataset produced by an event generator where the true class labels…

High Energy Physics - Phenomenology · Physics 2017-01-25 James Barnard , Edmund Noel Dawe , Matthew J. Dolan , Nina Rajcic

We present a calculation of the next-to-leading order QCD corrections to slepton pair production in association with a jet at the LHC together with their implementation in the POWHEG BOX. For the simulation of parton-shower effects and the…

High Energy Physics - Phenomenology · Physics 2015-06-23 Barbara Jager , Andreas von Manteuffel , Stephan Thier

We study kinematic effects due to the approximation of on-shell, collinear partons in shower Monte Carlo event generators. We observe that the collinearity approximation, combined with the requirements of energy-momentum conservation, gives…

High Energy Physics - Phenomenology · Physics 2015-06-11 F. Hautmann , H. Jung

Inclusive single jet production in hadron collisions is considered. It is shown that the QCD parton model predicts a nonmonotonic dependence of the inclusive cross section on the fraction of the energy deposited in the jet registered, if it…

High Energy Physics - Phenomenology · Physics 2008-02-03 Victor T. Kim , Grigorii B. Pivovarov , James P. Vary

One of the greatest challenges in quantum chromodynamics is understanding the hadronization mechanism, which is also crucial for carrying out precision physics with jet substructure. In this Letter, we combine recent advancements in our…

High Energy Physics - Phenomenology · Physics 2023-01-11 Anna Ferdinand , Kyle Lee , Aditya Pathak

The second-order QCD matrix elements give a very good agreement with experimental data on the angular distributions of the four-jet events in e+e- collisions at the Z0 resonance energy. Unfortunately the description of the sub-jet structure…

High Energy Physics - Phenomenology · Physics 2007-05-23 Johan André

We present a novel event generation framework for the efficient simulation of vector boson plus multi-jet backgrounds at the high-luminosity LHC and at possible future hadron colliders. MPI parallelization of parton-level and particle-level…

High Energy Physics - Phenomenology · Physics 2019-07-31 Stefan Höche , Stefan Prestel , Holger Schulz

We investigate the consequences of models where dark sector quarks could be produced at the LHC, which subsequently undergo a dark parton shower, generating jets of dark hadrons that ultimately decay back to Standard Model hadrons. This…

High Energy Physics - Phenomenology · Physics 2023-08-16 Timothy Cohen , Jennifer Roloff , Christiane Scherb

In collider physics, jet algorithms are a ubiquitous tool for clustering particles into discrete jet objects. Event shapes offer an alternative way to characterize jets, and one can define a jet multiplicity event shape, which can take on…

High Energy Physics - Phenomenology · Physics 2015-05-18 Daniele Bertolini , Jesse Thaler , Jonathan R. Walsh

We study the colour connection structure of R-parity violating decays and production cross sections, and construct a Monte Carlo simulation of these processes including colour coherence effects. We then present some results from the…

High Energy Physics - Phenomenology · Physics 2009-10-31 Herbi Dreiner , Peter Richardson , Michael H. Seymour

After a discussion on the meaning of "jets" in the context of nucleus-nucleus collisions, the distortions of the profile of a parton shower induced by the presence of a medium is investigated in a QCD-inspired model that implements the…

High Energy Physics - Phenomenology · Physics 2014-11-18 Nicolas Borghini

The physics content of the QGSJET-III Monte Carlo model of high energy hadronic interactions is briefly described. The predictions of the model for extensive air shower characteristics are presented in comparison to the corresponding…

High Energy Physics - Phenomenology · Physics 2024-11-06 Sergey Ostapchenko

Gluon jets with a mean energy of 22 GeV and purity of 95% are selected from hadronic Z0 decay events produced in e+e- annihilations. A subsample of these jets is identified which exhibits a large gap in the rapidity distribution of…

High Energy Physics - Experiment · Physics 2009-11-10 The OPAL collaboration , G. Abbiendi

In double parton scattering (DPS), two partonic collisions take place between one pair of colliding hadrons. The effect of DPS can be significant for precision measurements due to the additional radiation from secondary partonic collisions,…

High Energy Physics - Phenomenology · Physics 2024-02-06 Max Jaarsma , Rudi Rahn , Wouter J. Waalewijn

In the context of high-energy physics, a reliable description of the parton-level kinematics plays a crucial role for understanding the internal structure of hadrons and improving the precision of the calculations. Here, we study the…

High Energy Physics - Phenomenology · Physics 2022-11-04 David F. Rentería-Estrada , Roger J. Hernández-Pinto , German F. R. Sborlini , Pia Zurita

We present a study of the transverse size of parton showers and their diminishing interaction with the medium in the high virtuality stage of jet evolution. We consider the process of a hard quark produced in deep inelastic scattering off a…

High Energy Physics - Phenomenology · Physics 2025-01-15 Amit Kumar , Abhijit Majumder , Chathuranga Sirimanna , Yasuki Tachibana

This article presents, for the first time, the application of diffusion models for generating jet images corresponding to proton-proton collision events at the Large Hadron Collider (LHC). The kinematic variables of quark, gluon, W-boson,…

High Energy Physics - Phenomenology · Physics 2025-08-04 Victor D. Martinez , Vidya Manian , Sudhir Malik
‹ Prev 1 8 9 10 Next ›