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The jet shape modification due to partonic energy loss in the dense QCD matter is investigated by the help of the special transverse energy-energy correlator in the vicinity of maximum energy deposition of every event. In the accepted…

High Energy Physics - Phenomenology · Physics 2008-11-26 I. P. Lokhtin , S. V. Petrushanko , L. I. Sarycheva , A. M. Snigirev

Using a multiphase transport model (AMPT) with both partonic and hadronic interactions, we study the multiplicity and transverse momentum distributions of charged particles such as pions, kaons and protons in central Au+Au collisions at…

Nuclear Theory · Physics 2009-11-07 Zi-wei Lin , Subrata Pal , C. M. Ko , Bao-An Li , Bin Zhang

The characterization of the jet substructure can give insight into the microscopic nature of the modification induced on high-momentum partons by the Quark-Gluon Plasma that is formed in ultra-relativistic heavy-ion collisions. Jet shapes…

Nuclear Experiment · Physics 2019-08-21 D. Caffarri

$\gamma$-jet production is considered one of the best probes of the hot quark-gluon plasma in high-energy heavy-ion collisions since the direct $\gamma$ can be used to gauge the initial energy and momentum of the associated jet. This is…

High Energy Physics - Phenomenology · Physics 2018-06-20 Tan Luo , Shanshan Cao , Yayun He , Xin-Nian Wang

Dijet, dihadron, hadron-jet angular correlations have been reckoned as important probes of the transverse momentum broadening effects in relativistic nuclear collisions. When a pair of high-energy jets created in hard collisions traverse…

High Energy Physics - Phenomenology · Physics 2017-10-11 Lin Chen , Guang-You Qin , Shu-Yi Wei , Bo-Wen Xiao , Han-Zhong Zhang

Within a multi-phase transport model with string melting scenario, jet transport parameter $\hat{q}$ is calculated in Au+Au collisions at $\sqrt{s_{NN} } $= 200 GeV and Pb+Pb collisions at $\sqrt{s_{NN} } $= 2.76 TeV. The $\hat{q}$…

High Energy Physics - Phenomenology · Physics 2020-03-18 Feng-Chu Zhou , Guo-Liang Ma , Yu-Gang Ma

Energy correlators have recently attracted significant attention in the study of heavy ion collisions due to their potential to robustly connect experimental measurements with an underlying quantum field theoretic description. While…

High Energy Physics - Phenomenology · Physics 2025-03-19 João Barata , Ian Moult , Andrey V. Sadofyev , João M. Silva

In recent years, the study of dihadron correlations has been one of the primary methods used to investigate the propagation and modification of hard-scattered partons through the QGP. Due to recent advances in jet-finding algorithms, it is…

Nuclear Experiment · Physics 2019-08-13 Alice Ohlson

The Quark Gluon Plasma (QGP) produced in ultra relativistic heavy-ion collisions at the Large Hadron Collider (LHC) can be studied by measuring the modifications of jets formed by hard scattered partons which interact with the medium. We…

Nuclear Experiment · Physics 2020-07-01 ALICE Collaboration

Jets are extended multipartonic systems and serve as a powerful tool for investigating the dynamics of emergent phenomena driven by many body QCD interactions. In heavy ion collisions, starting from their production during the perturbative…

High Energy Physics - Phenomenology · Physics 2025-05-26 Balbeer Singh

Higher-order cumulants of the distributions of conserved charges, such as net-baryon number, are sensitive to the quantum chromodynamics(QCD) phase transition and the QCD critical point. We calculate the cumulants and correlation functions…

Nuclear Theory · Physics 2022-07-26 Qian Chen , Guo-Liang Ma

A multi-phase transport (AMPT) model was constructed as a self-contained kinetic theory-based description of relativistic nuclear collisions as it contains four main components: the fluctuating initial condition, a parton cascade,…

Nuclear Theory · Physics 2021-10-22 Zi-Wei Lin , Liang Zheng

The angular structure of collisional and radiative energy losses of a hard parton jet propagating through the quark-gluon plasma is analyzed. The possibility to observe the energy losses of quark- and gluon-initiated jets in dense…

High Energy Physics - Phenomenology · Physics 2016-09-06 I. P. Lokhtin

Transverse momentum broadening and energy loss of a propagating parton are dictated by the space-time profile of the jet transport coefficient $\hat q$ in a dense QCD medium. The spatial gradient of $\hat q$ perpendicular to the propagation…

High Energy Physics - Phenomenology · Physics 2020-09-23 Yayun He , Long-Gang Pang , Xin-Nian Wang

While strong attenuation of single particle production and particle correlations has provided convincing evidence for large parton energy loss in the QGP, its application to jet tomography has inherent limitations due to the inclusive…

High Energy Physics - Phenomenology · Physics 2009-11-18 Ben-Wei Zhang

We carry out a detailed study of medium modifications on momentum and angular correlations between a large transverse momentum hadron and a $Z/\gamma$ trigger in relativistic heavy-ion collisions within a perturbative QCD parton model…

High Energy Physics - Phenomenology · Physics 2024-01-01 Zhan Gao , Lin Chen , Peng-Hui Hu , Man Xie , Han-Zhong Zhang

We employ a data-driven method to subtract the flow background of all harmonics by calculating the difference of the two-particle correlations between the close-region and far-region, determined depending on the pseudo-rapidity ($\eta$)…

Nuclear Experiment · Physics 2019-04-30 Liang Zhang

System-size dependence of dihadron azimuthal correlations in ultra-relativistic heavy ion collision is simulated by a multi-phase transport model. The structure of correlation functions and yields of associated particles show clear…

Nuclear Theory · Physics 2015-05-28 S. Zhang , Y. H. Zhu , G. L. Ma , Y. G. Ma , X. Z. Cai , J. H. Chen , C. Zhong

Jets serve as powerful tomographic probes of the quark-gluon plasma (QGP) created in relativistic heavy-ion collisions. While the expanding landscape of jet observables reveals multi-faceted aspects of jet-medium interactions, a precise and…

Nuclear Theory · Physics 2026-02-12 Yichao Dang , Wen-Jing Xing , Shanshan Cao , Guang-You Qin

Within a multi-phase transport (AMPT) model with string melting scenario, the transverse momentum imbalance between prompt photon and jet is studied in Pb+Pb collisions at $\sqrt{s_{_{\rm NN}}}$ = 2.76 TeV. Jet loses more energy in more…

Nuclear Theory · Physics 2013-07-09 Guo-Liang Ma