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Jet charge characterizes the electric charge distribution inside a jet. In this talk we make the first theoretical study of jet charge in high-energy nuclear collisions and calculate numerically the medium alternations of jet charge due to…

核理论 · 物理学 2017-01-13 Shi-Yong Chen , Ben-Wei Zhang , En-Ke Wang

Energetic quarks and gluons traversing a hot and dense quark-gluon plasma deposit energy and momentum into the medium before hadronizing to collimated sprays of particles, known as jets. This energy-momentum deposition is expected to…

核实验 · 物理学 2026-03-03 CMS Collaboration

We study dynamics of a QGP fluid induced by energetic partons propagating through it. We construct a (3+1)-dimensional QGP-fluid+Jet model. When a jet traverses a uniform fluid, it induces a Mach cone structure of energy density…

核理论 · 物理学 2015-06-11 Yasuki Tachibana , Tetsufumi Hirano

The quenching of jets (and high-pT particle spectra) observed in heavy-ion collisions is interpreted as due to the energy lost by hard partons crossing the Quark Gluon Plasma. Here we review recent efforts to include in its modeling…

高能物理 - 唯象学 · 物理学 2012-10-02 A. Beraudo

A precise quantification of the medium-modification of the high transverse momenta jets in relativistic heavy ion collisions rely on consistent modelling of elastic and inelastic energy loss suffered by the jet and the concurrent underlying…

核理论 · 物理学 2025-05-06 Monideepa Maity , Subrata Pal

How are high-momentum transfer processes modified when embedded in the Quark-Gluon Plasma (QGP) instead of the vacuum? How can fundamental properties of the QGP be inferred from their medium-modifications? And what can be learnt about QCD?…

高能物理 - 唯象学 · 物理学 2025-08-27 Xin-Nian Wang , Urs Achim Wiedemann

Angular correlations between heavy quark (HQ) and its tagged jet are potentially new tools to gain insight into the in-medium partonic interactions in relativistic heavy-ion collisions. In this work, we present the first theoretical study…

核理论 · 物理学 2023-04-07 Sa Wang , Wei Dai , Ben-Wei Zhang , Enke Wang

The different modifications of quark- and gluon-initiated jets in the quark-gluon plasma (QGP) produced in heavy-ion collisions is a long-standing question that has not yet received a definitive answer from experiments. In particular, the…

高能物理 - 唯象学 · 物理学 2023-02-01 Yueyang Ying , Jasmine Brewer , Yi Chen , Yen-Jie Lee

We study the heavy quark scattering on partons of the quark gluon plasma (QGP) being especially interested in the collisional (elastic) scattering processes of heavy quarks on quarks and gluons. We calculate the different cross sections for…

高能物理 - 唯象学 · 物理学 2014-07-02 H. Berrehrah , E. Bratkovskaya , W. Cassing , P. B. Gossiaux , J. Aichelin , M. Bleicher

With the use of MARTINI, a model which considers evolving QCD jets against a fluid dynamical background, it is shown that the introduction of formation time to the parton shower after the initial hard scattering is essential for a…

高能物理 - 唯象学 · 物理学 2024-07-30 Rouzbeh Modarresi-Yazdi , Shuzhe Shi , Charles Gale , Sangyong Jeon

We study parton energy-momentum exchange with the quark gluon plasma (QGP) within a multistage approach composed of in-medium DGLAP evolution at high virtuality, and (linearized) Boltzmann Transport formalism at lower virtuality. This…

The Monte Carlo model JEWEL 1.0 (Jet Evolution With Energy Loss) simulates parton shower evolution in the presence of a dense QCD medium. In its current form medium interactions are modelled as elastic scattering based on perturbative…

高能物理 - 唯象学 · 物理学 2014-11-18 Korinna Zapp , Johanna Stachel , Urs Achim Wiedemann

Using a pQCD picture for jet evolution in a dense QCD medium, in which medium-induced parton branchings are factorized from vacuum-like emissions, we study two jet substructure observables: the $z_g$ and the Soft Drop multiplicity…

高能物理 - 唯象学 · 物理学 2021-02-03 Paul Caucal , Edmond Iancu , Gregory Soyez

Quark jet provides one of the best ways to probe the matter produced in ultrarelativistic high-energy collisions, from cold nuclear matter to the hot quark-gluon plasma. In this proceeding paper, we review a series of works on the…

核理论 · 物理学 2024-11-05 Meijian Li

Jet energy transported to quark-gluon plasma during jet-medium interaction excites the QGP medium and creates energetic thermal partons -- recoil particles or recoils. Modification of the jet structure in heavy ion collisions is studied…

核理论 · 物理学 2019-01-23 Chanwook Park , Sangyong Jeon , Charles Gale

We study the energy loss of a quark moving in a strongly coupled QGP under the influence of anisotropy. The heavy quark drag force, diffusion coefficient, and jet quenching parameter are calculated using the Einstein-Maxwell-dilaton model,…

高能物理 - 唯象学 · 物理学 2023-07-26 Qi Zhou , Ben-Wei Zhang

We consider the case, in QCD, of a single jet propagating within a strongly interacting fluid, of finite extent. Interactions lead to the appearance of a source of energy-momentum within the fluid. The remnant jet that escapes the container…

核理论 · 物理学 2022-09-07 Yasuki Tachibana , Chun Shen , Abhijit Majumder

Away from the strictly soft and collinear limit of QCD radiation the choice of evolution scale in a parton shower algorithm is ambiguous and several options have been implemented in existing Monte Carlo event generators for proton-proton…

高能物理 - 唯象学 · 物理学 2022-09-23 Adam Takacs , Daniel Pablos , Konrad Tywoniuk

The event generator based on the higher-twist energy loss formalism -- Modular All Twist Transverse-scattering Elastic-drag and Radiation (MATTER) -- is further developed and coupled to a hydrodynamic model for studying jet modification in…

核理论 · 物理学 2020-02-07 Shanshan Cao , Abhijit Majumder

One of the important perturbative ("hard") probes of hot and dense QCD matter is the medium-induced energy loss of energetic partons, so called "jet quenching", which is predicted to be very different in cold nuclear matter and in QGP, and…

高能物理 - 唯象学 · 物理学 2009-10-28 I. P. Lokhtin , L. V. Malinina , S. V. Petrushanko , A. M. Snigirev , I. Arsene , K. Tywoniuk