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The jets are the final state manifestation of the hard parton scattering. Since at LHC energies the production of hard processes in proton-proton collisions will be copious and varied, it is important to develop methods to identify them…

High Energy Physics - Experiment · Physics 2009-12-07 Antonio Ortiz , Guy Paic

Studies of jet production can provide information about the properties of the hot and dense strongly interacting matter created in ultra-relativistic heavy-ion collisions. Specifically, measurement of strange particles in jets may clarify…

High Energy Physics - Experiment · Physics 2019-08-13 Alice Zimmermann

We present a variety of jet substructure measurements performed in pp collisions at $\sqrt{s}$ = 13 TeV with the focus on the groomed jet momentum fraction $z_{\rm{g}}$ in a wide range of $p_{\rm{T}}$ between 20 and 200 GeV/$c$ and jet…

High Energy Physics - Experiment · Physics 2019-01-15 Markus Fasel

The substructure of charged jets gets modified due to the presence of the medium in heavy-ion collisions which is an indication of redistribution of energy inside the jet cone. It helps to understand the energy loss mechanisms of jets in…

The modification of jet substructure in relativistic heavy-ion collisions is studied using JETSCAPE, a publicly available software package containing a framework for Monte Carlo event generators. Multi-stage jet evolution in JETSCAPE…

Jet quenching, a standard signature of quark--gluon plasma (QGP) formation in which jets lose energy by traversing the medium, comprises a well-studied set of observables in heavy-ion collisions. Significant questions remain, however,…

Nuclear Experiment · Physics 2022-10-07 Caitlin Beattie

We report on our investigation in arXiv:2509.08881 of how recent jet substructure measurements constrain the resolution length $L_{\rm res}$ of the quark-gluon plasma formed in heavy-ion collisions. $L_{\rm res}$ is defined such that…

High Energy Physics - Phenomenology · Physics 2025-10-07 Arjun Srinivasan Kudinoor , Daniel Pablos , Krishna Rajagopal

One of the major results from the study of high energy heavy ion collisions is the observation of jet quenching. The suppression of the number of jets observed in heavy ion collisions relative to pp collisions at the same energy scaled by…

Nuclear Experiment · Physics 2019-08-13 Megan Connors

A selection of recent jet measurements are presented from the ALICE experiment at the CERN LHC in proton-proton collisions at $\sqrt{s}=13$ TeV, focusing on substructure results for inclusive and charmed jets. The groomed jet momentum…

High Energy Physics - Experiment · Physics 2022-09-21 Robert Vertesi

Measurements of high-pT particle production in heavy-ion collisions at RHIC have shown that medium-induced energy loss affects the partons produced in the early stage of a heavy-ion col- lision. The increased initial production cross…

Nuclear Experiment · Physics 2019-08-13 Rosi Reed

The study of jets, collimated sprays of particles associated with hard partons, is an important tool in testing perturbative quantum chromodynamics (pQCD) and probing hot and dense nuclear matter created in high energy heavy-ion collisions.…

High Energy Physics - Experiment · Physics 2014-06-11 Michal Vajzer

Based on a pQCD inspired dynamical model of jet-medium interactions, Jewel, we have studied possible modifications to inclusive jet yields and a set of jet shape observables, namely, the fragmentation functions and radial momentum…

High Energy Physics - Phenomenology · Physics 2019-07-25 Rathijit Biswas , Subikash Choudhury , Sidharth Kumar Prasad , Supriya Das

In these proceedings, we report on recent results related to vector boson-tagged jet production in heavy ion collisions and the related modification of jet substructure, such as jet shapes and jet momentum sharing distributions.…

High Energy Physics - Phenomenology · Physics 2018-03-14 Ivan Vitev

We review recent theoretical developments in the study of the structure of jets that are produced in ultra relativistic heavy ion collisions. The core of the review focusses on the dynamics of the parton cascade that is induced by the…

High Energy Physics - Phenomenology · Physics 2015-12-09 Jean-Paul Blaizot , Yacine Mehtar-Tani

Full jet reconstruction in ALICE uses the combined information from charged and neutral particles. Essentially all jet constituents can be measured with large efficiency down to very low transverse momenta (pT > 150 MeV/c). This has the…

Nuclear Experiment · Physics 2015-06-11 Andreas Morsch

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

Recent studies have highlighted the potential of jet substructure techniques to identify the hadronic decays of boosted heavy particles. These studies all rely upon the assumption that the internal substructure of jets generated by QCD…

High Energy Physics - Experiment · Physics 2012-08-27 ATLAS Collaboration

Modification of the hard jet substructure in terms of the Soft Drop jet grooming algorithm observables is studied for three different scenarios of jet quenching in a quark-gluon plasma: i) an explicit enhancement of the parton splitting…

High Energy Physics - Phenomenology · Physics 2017-11-06 K. Lapidus , M. H. Oliver

Recent ALICE measurements of jet splittings in Pb--Pb and pp collisions at $\sqrt{s_{\mathrm{NN}}}$ = 5.02 TeV are reported. These measurements scan the phase space of jet emissions in search of medium-induced signals which are expected to…

Nuclear Experiment · Physics 2021-02-03 Laura Havener

We review selected results from a recent in-depth study of jet shapes and jet cross sections in ultra-relativistic reactions with heavy nuclei at the LHC arXiv:0810.2807 [hep-ph]. We demonstrate that at the highest collider energies these…

High Energy Physics - Phenomenology · Physics 2009-07-22 Ivan Vitev , Ben-Wei Zhang , Simon Wicks