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If large-angle multigluon radiation gives significant contributions to parton showers in the LHC high-energy region, appropriate generalizations of parton branching methods are required for Monte Carlo simulations of exclusive…

High Energy Physics - Phenomenology · Physics 2009-09-08 F. Hautmann

We present the determination of Transverse Momentum Dependent (TMD) parton distributions from Monte Carlo parton showers. We investigate the effective TMD distributions obtained from the PYTHIA8 and HERWIG6 parton showers and compare them…

High Energy Physics - Phenomenology · Physics 2019-07-23 Melanie Schmitz , Francesco Hautmann , Hannes Jung , Sara Taheri Monfared

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

Within perturbative QCD, we develop a new picture for the parton shower generated by a jet propagating through a dense quark-gluon plasma. This picture combines in a simple, factorised, way multiple medium-induced parton branchings and…

High Energy Physics - Phenomenology · Physics 2020-01-08 Paul Caucal , Edmond Iancu , Gregory Soyez

The inclusive transverse momentum (pt) distribution of hadrons inside jets produced in PbPb and pp collisions are simulated with the YaJEM and Pythia 6 Monte Carlo (MC) event generators. The effects of jet quenching are studied via the…

High Energy Physics - Phenomenology · Physics 2014-12-16 Redamy Pérez-Ramos

Medium-induced parton energy loss, resulting from gluon exchanges between the QCD matter and partonic projectiles, is expected to underly the strong suppression of jets and high-$p_T$ hadron spectra observed in ultra-relativistic heavy ion…

High Energy Physics - Phenomenology · Physics 2015-05-30 A. Beraudo , J. G. Milhano , U. A. Wiedemann

Multiple interactions between parton showers and the surrounding QCD matter are expected to underlie the strong medium-modifications of jet observables in ultra-relativistic heavy ion collisions at RHIC and at the LHC. Here, we note that…

High Energy Physics - Phenomenology · Physics 2017-08-23 A. Beraudo , J. G. Milhano , U. A. Wiedemann

We study the contributions from radiation to $p_{\perp}$-broadening of a high energy parton traversing a QCD medium with a finite length $L$. The interaction between the parton and the medium is described by decorrelated static multiple…

High Energy Physics - Phenomenology · Physics 2015-03-18 Bin Wu

Medium-induced gluon radiation is usually identified as the dominant dynamical mechanism underling the {\it jet quenching} phenomenon observed in heavy-ion collisions. In its actual implementation, multiple medium-induced gluon emissions…

High Energy Physics - Phenomenology · Physics 2010-03-25 N. Armesto , L. Cunqueiro , C. A. Salgado , W. -C. Xiang

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

This work reviews recent developments in the Parton Branching (PB) method, focusing on its application to Transverse Momentum Dependent (TMD) parton distributions and the implementation of TMD evolution equations in Monte Carlo generators.…

High Energy Physics - Phenomenology · Physics 2024-12-19 S. Taheri Monfared

The Parton Branching (PB) approach describes the evolution of transverse momentum dependent (TMD) parton densities. We propose to extend the PB method by including TMD splitting functions, instead of the DGLAP splitting functions which…

High Energy Physics - Phenomenology · Physics 2022-03-29 Lissa Keersmaekers

Monte Carlo (MC) simulations are the standard tool for describing jet-like multi-particle final states. To apply them to the simulation of medium-modified jets in heavy ion collisions, a probabilistic implementation of medium-induced…

High Energy Physics - Phenomenology · Physics 2011-08-03 Korinna Christine Zapp , Johanna Stachel , Urs Achim Wiedemann

The connection between analytic and Monte Carlo calculations of soft gluon emission is reanalyzed in light of recent, theoretical developments in resummation. An alternative Monte Carlo algorithm is suggested which incorporates (1)…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. Mrenna

We study the soft gluon radiation effects for the $s$-channel single top quark production at the LHC. By applying the transverse momentum dependent factorization formalism, the large logarithms about the small total transverse momentum…

High Energy Physics - Phenomenology · Physics 2019-02-20 Peng Sun , Bin Yan , C. -P. Yuan

Final state medium-induced gluon radiation in ultradense nuclear matter is examined and shown to favor large angle emission when compared to vacuum bremsstrahlung due to the suppression of collinear gluons. Perturbative expression for the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Ivan Vitev

We discuss prospects for Monte Carlo event generators incorporating the dynamics of transverse momentum dependent (TMD) parton distribution functions. We illustrate TMD evolution in the parton branching formalism, and present Monte Carlo…

High Energy Physics - Phenomenology · Physics 2019-07-09 F. Hautmann

We present a solution of the DGLAP evolution equations, written in terms of Sudakov form factors to describe the branching and no-branching probabilities, using a parton branching Monte Carlo method. We demonstrate numerically that this…

High Energy Physics - Phenomenology · Physics 2017-10-12 Aleksandra Lelek

We derive the in-medium gluon radiation spectrum off a quark within the path integral formalism at finite energies, including all next-to-eikonal corrections in the propagators of quarks and gluons. Results are computed for finite formation…

High Energy Physics - Phenomenology · Physics 2015-02-25 Liliana Apolinário , Néstor Armesto , José Guilherme Milhano , Carlos A. Salgado

We revisit the picture of jets propagating in the quark-gluon plasma. In addition to vacuum radiation, partons scatter on the medium constituents resulting in induced emissions. Analytical approaches to including these interactions have…

High Energy Physics - Phenomenology · Physics 2023-02-28 Johannes Hamre Isaksen , Adam Takacs , Konrad Tywoniuk