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Related papers: Angular Structure of Jet Quenching Within a Hybrid…

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We explore a set of jet substructure observables that use grooming techniques such as the Soft Drop procedure by performing simulations with the hybrid strong/weak coupling model for jet quenching. The results obtained for the observables…

High Energy Physics - Phenomenology · Physics 2018-12-20 Jorge Casalderrey-Solana , Guilherme Milhano , Daniel Pablos , Krishna Rajagopal

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

The flow pattern and evolution of the medium created in ultrarelativistic heavy ion collisions can have significant influence on the energy loss of hard partons traversing the medium. We demonstrate that within a range of assumptions for…

High Energy Physics - Phenomenology · Physics 2009-11-11 Thorsten Renk

Jet quenching in heavy ion collisions is expected to be accompanied by recoil effects, but unambiguous signals for the induced medium response have been difficult to identify so far. Here, we argue that modern jet substructure measurements…

High Energy Physics - Phenomenology · Physics 2018-02-01 José Guilherme Milhano , Urs Achim Wiedemann , Korinna Christine Zapp

Energy-loss studies of hard particle probes produced in heavy ion collisions have often been used to get information on the interactions within the medium of a quark-gluon plasma (QGP). However, with the study of in-medium energy-loss of…

High Energy Physics - Phenomenology · Physics 2018-08-01 Martin Rohrmoser , Pol-Bernard Gossiaux , Thierry Gousset , Jörg Aichelin

Measurements of jet substructure in ultra-relativistic heavy-ion collisions indicate that interactions with the quark-gluon plasma quench the jet showering process. Modern data-driven methods have shown promise in probing these…

High Energy Physics - Phenomenology · Physics 2024-12-02 Umar Sohail Qureshi , Raghav Kunnawalkam Elayavalli

In the established paradigm of jet quenching in relativistic heavy-ion collisions, jets from initial hard parton scatterings are suppressed due to their interaction with the quark-gluon plasma (QGP) as they traverse the hot medium, serving…

Nuclear Theory · Physics 2026-01-21 Peng Jing , Yichao Dang , Yang He , Shanshan Cao , Li Yi , Xin-Nian Wang

When an energetic parton traversing the QCD medium, it may suffer multiple scatterings and lose energy. This jet quenching phenomenon may lead to the suppression of leading hadron productions as well as medium modifications of full jet…

Nuclear Theory · Physics 2019-05-22 Ben-Wei Zhang , Guo-Yang Ma , Wei Dai , Sa Wang , Shan-Liang Zhang

We present a global fit to all data on the suppression of high energy jets and high energy hadrons in the most central heavy ion collisions at the LHC for two different collision energies, within a hybrid strong/weak coupling quenching…

High Energy Physics - Phenomenology · Physics 2019-05-29 Jorge Casalderrey-Solana , Zachary Hulcher , Guilherme Milhano , Daniel Pablos , Krishna Rajagopal

We consider momentum broadening and energy loss of high momentum partons in a hot non-Abelian plasma due to collisions. We solve the coupled system of Wong-Yang-Mills equations on a lattice in real time, including binary hard elastic…

High Energy Physics - Phenomenology · Physics 2014-11-18 Bjoern Schenke , Michael Strickland , Adrian Dumitru , Yasushi Nara , Carsten Greiner

We study the impact of selection biases on jet structure and substructure observables and separate these effects from effects caused by jet quenching. We use the angular separation $\Delta R$ of the hardest splitting in a jet as the primary…

High Energy Physics - Phenomenology · Physics 2022-03-09 Jasmine Brewer , Quinn Brodsky , Krishna Rajagopal

We use Soft Collinear Effective Theory (SCET) to analyze the transverse momentum broadening, or diffusion in transverse momentum space, of an energetic parton propagating through quark-gluon plasma. Since we neglect the radiation of gluons…

High Energy Physics - Phenomenology · Physics 2011-11-01 Francesco D'Eramo , Hong Liu , Krishna Rajagopal

We present a comprehensive study of jet substructure modifications in high-energy heavy-ion collisions using both inclusive jets and $\gamma$-tagged jets, based on a multi-stage jet evolution model within the Monte Carlo framework JETSCAPE.…

The jet shape is a classic jet substructure observable that probes the average transverse energy profile inside a reconstructed jet. The studies of jet shapes in proton-proton collisions have served as precision tests of perturbative…

High Energy Physics - Phenomenology · Physics 2015-06-19 Yang-Ting Chien , Ivan Vitev

Some of the most important probes of the quark-gluon plasma (QGP) produced in heavy ion collisions come from the analysis of how the shape and energy of jets are modified by passage through QGP. We model an ensemble of back-to-back dijets…

Nuclear Theory · Physics 2018-03-14 Jasmine Brewer , Krishna Rajagopal , Andrey Sadofyev , Wilke van der Schee

The suppression of high momentum particles in heavy-ion collisions in comparison to elementary reactions is one of the main indications for the formation of a quark-gluon plasma. In recent studies, full jets are being reconstructed and…

Nuclear Theory · Physics 2020-03-25 Philipp Dorau , Jean-Bernard Rose , Daniel Pablos , Hannah Elfner

We study the jet quenching parameter $\hat q$ in the initial pre-equilibrium stages of heavy-ion collisions using the QCD kinetic theory description of the anisotropic quark-gluon plasma. This allows us to smoothly close the gap in the…

High Energy Physics - Phenomenology · Physics 2025-06-25 Kirill Boguslavski , Aleksi Kurkela , Tuomas Lappi , Florian Lindenbauer , Jarkko Peuron

Jets are produced by processes involving high momentum transfer of initial partons at high energies. Comparing jet production in pp and nucleus-nucleus collisions will allow us to study the jet-quenching effect caused by the hot and dense…

High Energy Physics - Experiment · Physics 2019-12-12 Yongzhen Hou

The study of the structure of strongly interacting dense matter via hard jets is reviewed. High momentum partons produced in hard collisions produce a shower of gluons prior to undergoing the non-perturbative process of hadronization. In…

High Energy Physics - Phenomenology · Physics 2011-07-14 A. Majumder , M. Van Leeuwen

We define a new strategy to scan jet substructure in heavy-ion collisions. The scope is multifold: (i) test the dominance of vacuum jet dynamics at early times, (ii) capture the transition from coherent to incoherent jet energy loss, and…

High Energy Physics - Phenomenology · Physics 2024-09-05 Leticia Cunqueiro , Daniel Pablos , Alba Soto-Ontoso , Martin Spousta , Adam Takacs , Marta Verweij