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We propose a new phenomenological approach to establish QCD factorization of jet cross sections in the heavy-ion environment. Starting from a factorization formalism in proton-proton collisions, we introduce medium modified jet functions to…

High Energy Physics - Phenomenology · Physics 2019-07-03 Jian-Wei Qiu , Felix Ringer , Nobuo Sato , Pia Zurita

The new precision era of jet quenching observables at both RHIC and the LHC calls for an improved and more precise description of in-medium gluon emissions. The development of new theoretical tools and analytical calculations to tackle this…

High Energy Physics - Phenomenology · Physics 2020-07-22 Carlota Andres , Liliana Apolinário , Fabio Dominguez

In this work we investigate medium modifications to the interference pattern between initial and final state radiation. We compute single gluon production off a highly energetic parton that undergoes a hard scattering and subsequently…

High Energy Physics - Phenomenology · Physics 2013-12-17 Néstor Armesto , Hao Ma , Mauricio Martinez , Yacine Mehtar-Tani , Carlos A. Salgado

The Fragmentation Functions is one of the non-perturbative components of the QCD factorization theorem. They represents the probability of a parton carrying a fraction z of momentum to form into a particular kind of hadron. In this work, we…

High Energy Physics - Phenomenology · Physics 2019-10-09 H. Bello Martínez , R. J. Hernández-Pinto , I. León Monzón

The hump-backed plateau of the single inclusive distribution of hadrons inside a jet provides a standard test of the interplay between probabilistic parton splitting and quantum coherence in QCD. The medium-induced modification of this QCD…

High Energy Physics - Phenomenology · Physics 2007-05-23 Nicolas Borghini , Urs Achim Wiedemann

We present results from a new Monte Carlo simulation for jet fragmentation in QCD and SUSY QCD for large primary energies $\sqrt s$ up to $10^{16}$ GeV. In the case of SUSY QCD the simulation takes into account not only gluons and quarks as…

High Energy Physics - Phenomenology · Physics 2009-10-31 V. Berezinsky , M. Kachelriess

We report briefly on a broad and systematic study of possible manifestations of QCD-instantons at HERA. We concentrate on the high multiplicity final state structure, reminiscent of an isotropically decaying ``fireball''. First results of a…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. Gibbs , A. Ringwald , F. Schrempp

General-purpose Monte Carlo event generators have become important tools in particle physics, allowing the simulation of exclusive hadronic final states. In this article we examine the Pythia 8 generator, in particular focusing on its…

High Energy Physics - Phenomenology · Physics 2011-03-18 Richard Corke , Torbjörn Sjöstrand

We describe a Monte Carlo event generator for the simulation of QCD-instanton induced processes in deep-inelastic scattering (HERA). The QCDINS package is designed as an ``add-on'' hard process generator interfaced to the general hadronic…

High Energy Physics - Phenomenology · Physics 2009-10-31 A. Ringwald , F. Schrempp

We propose to model hadronization of parton showers in QCD jets through a hybrid approach involving quark recombination and string fragmentation. This is achieved by allowing gluons at the end of the perturbative shower evolution to undergo…

Nuclear Theory · Physics 2016-04-20 Kyong Chol Han , Rainer J. Fries , Che Ming Ko

We present a conceptually new framework for describing jet evolution in the dense medium produced in ultra-relativistic nucleus-nucleus collisions using perturbative QCD and its implementation into the Monte Carlo event generator JEWEL. The…

High Energy Physics - Phenomenology · Physics 2015-06-12 Korinna C. Zapp , Frank Krauss , Urs A. Wiedemann

We develop a framework to simulate jet quenching in nuclear environments on a quantum computer. The formulation is based on the light-front Hamiltonian dynamics of QCD. The Hamiltonian consists of three parts relevant for jet quenching…

High Energy Physics - Phenomenology · Physics 2022-12-29 Xiaojun Yao

SPYTHIA is an event level Monte Carlo program which simulates particle production and decay at lepton and hadron colliders in the Minimal Supersymmetric Standard Model (MSSM). It is an extension of PYTHIA 5.7, with all of its previous…

High Energy Physics - Phenomenology · Physics 2014-11-17 S. Mrenna

We present a new study of jet interactions in the quark-gluon plasma created in high-energy heavy-ion collisions, using a multistage event generator within the JETSCAPE framework. We focus on medium-induced modifications in the rate of…

A Linear Boltzmann Transport (LBT) Monte Carlo model has been developed to describe jet propagation and interaction with the quark-gluon plasma (QGP) in relativistic heavy-ion collisions. A complete set of elastic scattering processes and…

Nuclear Theory · Physics 2024-04-02 Tan Luo , Yayun He , Shanshan Cao , Xin-Nian Wang

QCD jets provide one of the best avenues to extract information about the quark-gluon plasma produced in the aftermath of ultra relativistic heavy ions collisions. The structure of jets is determined by multiparticle quantum interference…

High Energy Physics - Phenomenology · Physics 2022-10-20 João Barata , Xiaojian Du , Meijian Li , Wenyang Qian , Carlos A. Salgado

We present a new model for jet quenching from coherent radiation in a brick medium. The jet energy loss is simulated as a perturbative final-state vacuum parton shower followed by a medium-induced shower originating from elastic and…

High Energy Physics - Phenomenology · Physics 2023-09-26 Alexander Lind , Iurii Karpenko , Martin Rohrmoser , Joerg Aichelin , Pol Gossiaux , Klaus Werner

Jet fragmentation functions measured in e^+e^- and p+\bar{p} experiments are well-described on an inclusive hadron level by QCD-based calculations. Fragmentation is expected to be modified by the presence of a strongly interacting medium,…

Nuclear Experiment · Physics 2009-07-22 Mark Heinz

Different methods to reconstruct the quark-gluon fusion product and current jet are tried in deep-inelastic e-p scattering events with instanton as background generated by QCDINS Monte Carlo code. A comparison of these methods are performed…

High Energy Physics - Phenomenology · Physics 2007-05-23 Xu Mingmei , Liu Lianshou

We propose a new implementation of medium effects in jet structures in which a modification of the splitting function is included at every step in the typical final state parton shower. Although the main application of this new formalism…

High Energy Physics - Phenomenology · Physics 2009-11-13 Carlos A. Salgado