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We investigate the medium modification of a partonic jet shower traversing in a hot quark-gluon plasma. We derive and solve a differential equation that governs the evolution of the radiated gluon spectrum as the jet propagates through the…

High Energy Physics - Phenomenology · Physics 2012-03-27 Guang-You Qin , Berndt Müller

We study the evolution of full jet shower in quark-gluon plasma via solving a set of coupled differential transport equations for the three-dimensional momentum distributions of quarks and gluons contained in the full jets. In our jet…

High Energy Physics - Phenomenology · Physics 2016-08-10 Ning-Bo Chang , Guang-You Qin

We study the medium modification of jets correlated with large transverse momentum photons at the LHC via a transport and perturbative QCD hybrid model which incorporates the contributions from both elastic collisions and radiative energy…

High Energy Physics - Phenomenology · Physics 2014-08-19 Guang-You Qin

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…

High Energy Physics - Phenomenology · Physics 2021-02-03 Paul Caucal , Edmond Iancu , Gregory Soyez

Motivated by the striking modifications of jets observed both at RHIC and the LHC, significant progress towards the understanding of jet dynamics within QGP has occurred over the last few years. In this talk, I review the recent theoretical…

High Energy Physics - Phenomenology · Physics 2017-04-05 Liliana Apolinário

The presence of a hot and dense medium, produced in ultra-relativistic heavy-ion collisions, is known to modify the parton shower evolution. Several observations of the resulting intra-jet activity show significant modifications of what can…

High Energy Physics - Phenomenology · Physics 2020-03-02 Liliana Apolinário

We study the fragmentation of a jet propagating in a dense quark-gluon plasma. We show that the "vacuum-like" emissions triggered by the parton virtualities can be factorized from the medium-induced radiation responsible for the energy loss…

High Energy Physics - Phenomenology · Physics 2019-02-20 P. Caucal , E. Iancu , A. H. Mueller , G. Soyez

We study the nuclear modifications of full jets and their structures in relativistic heavy-ion collisions including the effect of hydrodynamic medium response to jet quenching. To study the evolutions of the full jet shower and the…

Nuclear Theory · Physics 2017-04-26 Yasuki Tachibana , Ning-Bo Chang , Guang-You Qin

With our coupled jet-fluid model, we study the nuclear modifications of full jets and jet structures for single inclusive jets and $\gamma$-jets in Pb+Pb collisions at $5.02$~ATeV and $2.76$~ATeV. The in-medium evolution of full jet shower…

Nuclear Theory · Physics 2020-01-01 Ning-Bo Chang , Yasuki Tachibana , Guang-You Qin

Jet-medium interaction involves two important effects: jet energy loss and medium response. The search for jet-induced medium excitations is one of the hot topics in jet quenching study in relativistic nuclear collisions. In this work, we…

High Energy Physics - Phenomenology · Physics 2022-03-09 Ao Luo , Ya-Xian Mao , Guang-You Qin , En-Ke Wang , Han-Zhong Zhang

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…

Nuclear Experiment · Physics 2026-03-03 CMS Collaboration

The jet quenching phenomenon in heavy ion collisions provides a strong evidence of the modification of parton shower in the quark-gluon plasma. This contribution focuses on the hard probes of QGP using jets and summarizes the new…

High Energy Physics - Phenomenology · Physics 2016-09-20 Yang-Ting Chien

Jet substructure observables are crucial for exploring the effects of the hot, dense medium and differentiating between quark and gluon jets. In this paper, we investigate the modification of jet shape by calculating the differential girth…

High Energy Physics - Phenomenology · Physics 2023-02-28 Si-Yu Tang , Wei Zhang , Wen-Di Deng , Cheng-De Tian , Fan Yang , Ren-Zhuo Wan

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 evolution of jets showers in high energy nuclear collisions is influenced in various ways by the presence of a surrounding medium. The interaction of jet constituents with the medium can happen during the partonic stage of the jet,…

Nuclear Theory · Physics 2025-05-22 Arjun Sengupta , Rainer J. Fries

We study the modifications of jets created in heavy-ion collisions at LHC energies. The inherent hierarchy of scales governing the jet evolution allows to distinguish a leading jet structure, which interacts coherently with the medium as a…

High Energy Physics - Phenomenology · Physics 2015-07-15 Yacine Mehtar-Tani , Konrad Tywoniuk

We give a report of medium modification of Z+jet correlations in Pb+Pb collisions at the Large Hadron Collider using Sherpa to generate initial Z+jet at next-leading-order matrix element matched parton shower, and the Linear Boltzmann…

Nuclear Theory · Physics 2018-12-10 Shan-Liang Zhang , Tan Luo , Xin-Nian Wang , Ben-Wei Zhang

To probe the properties of the quark-gluon plasma created in heavy-ion collisions, a very useful class of observables refers to the propagation of energetic jets. A jet is a collimated spray of particles generated via successive parton…

High Energy Physics - Phenomenology · Physics 2020-10-07 Paul Caucal

The description of the in-medium modifications of partonic showers has been at the forefront of current theoretical and experimental efforts in heavy-ion collisions. It provides a unique laboratory to extend our knowledge frontier of the…

High Energy Physics - Phenomenology · Physics 2017-03-08 Liliana Apolinário

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
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