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Related papers: Jet Radiation Radius

200 papers

For jets, with great power comes great opportunity. The unprecedented center of mass energies available at the LHC open new windows on the QGP: we demonstrate that jet shape and jet cross section measurements become feasible as a new,…

High Energy Physics - Phenomenology · Physics 2009-05-20 Ivan Vitev , Simon Wicks , Ben-Wei Zhang

Jet shapes have the potential to play a role in many LHC analyses, for example in quark-gluon discrimination or jet substructure analyses for hadronic decays of boosted heavy objects. Most shapes, however, are significantly affected by…

High Energy Physics - Phenomenology · Physics 2013-04-24 Gregory Soyez , Gavin P. Salam , Jihun Kim , Souvik Dutta , Matteo Cacciari

The propagation and modification of hard-scattered partons in the QGP can be studied using various types of jet and jet-like correlation measurements. The STAR detector with its full azimuthal and large pseudorapidity acceptance, as well as…

Nuclear Experiment · Physics 2019-08-21 Alice Ohlson

The suppression and modification of high-energy objects, like jets, in heavy-ion collisions provide an important window to access the degrees of freedom of the quark-gluon plasma on different length scales. Despite increasingly precise and…

Nuclear Theory · Physics 2021-01-01 Jasmine Brewer

The study of standard QCD jets produced along with fat jets, which may appear as a result of the decay of a heavy particle, has become an essential part of collider studies. Current jet clustering algorithms, which use a fixed radius…

High Energy Physics - Phenomenology · Physics 2023-04-26 Biswarup Mukhopadhyaya , Tousik Samui , Ritesh K. Singh

Jet substructure is typically studied using clustering algorithms, such as kT, which arrange the jets' constituents into trees. Instead of considering a single tree per jet, we propose that multiple trees should be considered, weighted by…

High Energy Physics - Phenomenology · Physics 2013-05-30 Stephen D. Ellis , Andrew Hornig , David Krohn , Tuhin S. Roy , Matthew D. Schwartz

Jets can be used to probe the physical properties of the high energy density matter created in collisions at the Relativistic Heavy Ion Collider (RHIC). Measurements of strong suppression of inclusive hadron distributions and di-hadron…

Nuclear Experiment · Physics 2019-08-13 Sevil Salur

Jet classification in high-energy particle physics is important for understanding fundamental interactions and probing phenomena beyond the Standard Model. Jets originate from the fragmentation and hadronization of quarks and gluons, and…

Data Analysis, Statistics and Probability · Physics 2025-08-15 Juvenal Bassa , Vidya Manian , Sudhir Malik , Arghya Chattopadhyay

This article gives a brief historical introduction and reviews our current understanding of jets in radio galaxies and quasars from an observational perspective, with an emphasis on observations at radio wavelengths. Recent results on the…

Astrophysics of Galaxies · Physics 2022-12-21 D. J. Saikia

We present a framework that describes the energy distribution of subjets of radius $r$ within a jet of radius $R$. We consider both an inclusive sample of subjets as well as subjets centered around a predetermined axis, from which the jet…

High Energy Physics - Phenomenology · Physics 2017-07-25 Zhong-Bo Kang , Felix Ringer , Wouter J. Waalewijn

Being able to distinguish light-quark jets from gluon jets on an event-by-event basis could significantly enhance the reach for many new physics searches at the Large Hadron Collider. Through an exhaustive search of existing and novel jet…

High Energy Physics - Phenomenology · Physics 2013-04-15 Jason Gallicchio , Matthew D. Schwartz

We introduce a new jet-finding algorithm for a hadron collider based on maximizing a J_{E_T} function for all possible combinations of particles in an event. This function prefers a larger value of the jet transverse energy and a smaller…

High Energy Physics - Phenomenology · Physics 2014-11-14 Yang Bai , Zhenyu Han , Ran Lu

Identifying the origin of high-energy hadronic jets ('jet tagging') has been a critical benchmark problem for machine learning in particle physics. Jets are ubiquitous at colliders and are complex objects that serve as prototypical examples…

High Energy Physics - Phenomenology · Physics 2025-02-06 Joep Geuskens , Nishank Gite , Michael Krämer , Vinicius Mikuni , Alexander Mück , Benjamin Nachman , Humberto Reyes-González

We introduce a novel jet substructure method which exploits the variation of observables with respect to a sampling of phase-space boundaries quantified by the variability. We apply this technique to identify boosted W boson and top quark…

High Energy Physics - Phenomenology · Physics 2020-07-01 Yang-Ting Chien , Alex Emerman , Shih-Chieh Hsu , Samuel Meehan , Zachery Montague

We present the RODEM Jet Datasets, a comprehensive collection of simulated large-radius jets designed to support the development and evaluation of machine-learning algorithms in particle physics. These datasets encompass a diverse range of…

High Energy Physics - Phenomenology · Physics 2024-08-22 Knut Zoch , John Andrew Raine , Debajyoti Sengupta , Tobias Golling

We define the radial moment, <r>, for jets produced in hadron-hadron collisions. It can be used as a tool for studying, as a function of the jet transverse energy and pseudorapidity, radiation within the jet and the quality of a…

High Energy Physics - Phenomenology · Physics 2008-11-26 W. T. Giele , E. W. N. Glover , D. A. Kosower

We explore the scale-dependence and correlations of jet substructure observables to improve upon existing techniques in the identification of highly Lorentz-boosted objects. Modified observables are designed to remove correlations from…

High Energy Physics - Phenomenology · Physics 2016-06-09 James Dolen , Philip Harris , Simone Marzani , Salvatore Rappoccio , Nhan Tran

We derive a factorization theorem for the jet mass distribution with a given $p_T^J$ for the inclusive production, where $p_T^J$ is a large jet transverse momentum. Considering the small jet radius limit $(R\ll 1)$ we factorize the…

High Energy Physics - Phenomenology · Physics 2018-02-14 Ahmad Idilbi , Chul Kim

A measurement of jet substructure variables is presented using data collected in 2016 by the ATLAS experiment at the LHC with proton-proton collisions at $\sqrt{s}=13$ TeV. Large-radius jets groomed with the trimming and soft-drop…

High Energy Physics - Experiment · Physics 2019-10-04 ATLAS collaboration

QCD color coherence phenomena, like angular ordering, can be studied by looking at jet fragmentation. As the jet is fragmenting, it is expected to go through two different phases. First, there is QCD branching that is calculable in…

High Energy Physics - Experiment · Physics 2019-08-13 Jussi Viinikainen