English
Related papers

Related papers: Angular Scaling in Jets

200 papers

Distributions sensitive to the underlying event are studied in events containing one or more charged-particle jets produced in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector at the Large Hadron Collider (LHC). These measurements…

High Energy Physics - Experiment · Physics 2013-06-25 ATLAS Collaboration

The angular correlation function of partons in a jet, as derived from perturbative QCD, is nonanalytic at a critical angle which separates a multiparticle regime with scaling properties from a regime with few particles near the…

High Energy Physics - Phenomenology · Physics 2009-10-28 Wolfgang Ochs , Jacek Wosiek

We consider the one-parameter family of jet substructure observables known as angularities using the specific case of inclusive jets arising from photoproduction events at an Electron-Ion Collider (EIC). We perform numerical calculations at…

High Energy Physics - Phenomenology · Physics 2020-03-25 Elke-Caroline Aschenauer , Kyle Lee , B. S. Page , Felix Ringer

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

We present a classification of energy flow variables for highly collimated jets. Observables are constructed by taking moments of the energy flow and forming scalars of a suitable Lorentz subgroup. The jet shapes are naturally arranged in…

High Energy Physics - Phenomenology · Physics 2011-01-18 Guy Gur-Ari , Michele Papucci , Gilad Perez

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

Angular correlation of jets produced in association with a massive scalar, vector or tensor boson is crucial in the determination of their spin and CP properties. We study jet angular correlations in events with a high mass bottom quark…

High Energy Physics - Phenomenology · Physics 2013-05-08 Kaoru Hagiwara , Satyanarayan Mukhopadhyay

The jet charge is an old observable that has proven uniquely useful for discrimination of jets initiated by different flavors of light quarks, for example. In this Letter, we propose an approach to understanding the jet charge by…

High Energy Physics - Phenomenology · Physics 2023-04-27 Zhong-Bo Kang , Andrew J. Larkoski , Jinghong Yang

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

The formulae for calculating jet fragmentation momentum, $<j_T^2>$, and parton transverse momentum, $<k_T^2>$, and conditional yield are discussed in two particle correlation framework. Additional corrections are derived to account for the…

Nuclear Experiment · Physics 2009-11-10 Jiangyong Jia

Jets at high energy colliders are complicated objects to identify. Even if jets are widely separated, there is no reason for jets to have the same size. A single reconstruction, or interpretation, of each event can only extract a limited…

High Energy Physics - Phenomenology · Physics 2014-09-17 Yang-Ting Chien

The possibility to use observations of lensed relativistic jets on very small angular scales to construct proper models of spiral lens galaxies and to independently determine the Hubble constant is considered. On the example of the system…

Cosmology and Nongalactic Astrophysics · Physics 2013-10-14 T. I. Larchenkova , A. A. Lutovinov , N. S. Lyskova

Jet pull is an observable designed to probe colour flow between jets. Thus far, a particular projection of the pull vector, the pull angle, has been employed to distinguish colour flow between jets produced by a colour singlet or an octet…

High Energy Physics - Phenomenology · Physics 2020-01-22 Andrew Larkoski , Simone Marzani , Chang Wu

The large-$N_c$ or topologically planar limit of gauge theories can be considered as a classical limit because all gauge bosons are distinguishable particles and therefore cannot exhibit interference. Quantum effects due to the flow of…

High Energy Physics - Phenomenology · Physics 2023-03-22 Andrew J. Larkoski

We introduce a new characteristic of jets called mass area. It is defined so as to measure the susceptibility of the jet's mass to contamination from soft background. The mass area is a close relative of the recently introduced catchment…

High Energy Physics - Phenomenology · Physics 2015-05-19 Sebastian Sapeta , Qi Cheng Zhang

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

Craters form as the lander's exhaust interacts with the planetary surfaces. Understanding this phenomenon is imperative to ensure safe landings. We investigate crater morphology, where a turbulent air jet impinges on the granular surfaces.…

Fluid Dynamics · Physics 2024-10-25 Prasad Sonar , Hiroaki Katsuragi

Jets can be probed in their innermost regions (d~0.1 pc) through the study of the relativistically-boosted emission of blazars. On the other extreme of spatial scales, the study of structure and dynamics of extragalactic relativistic jets…

Astrophysics · Physics 2008-11-26 F. Tavecchio

The jet angularities are a class of jet substructure observables which characterize the angular and momentum distribution of particles within jets. These observables are sensitive to momentum scales ranging from perturbative hard…

Nuclear Experiment · Physics 2022-12-02 ALICE Collaboration

Systematic comparisons of jetlike correlation data to radiative and collisional energy loss model calculations are essential to extract transport properties of the quark-gluon medium created in relativistic heavy ion collisions. This paper…

Nuclear Theory · Physics 2017-08-01 Terrence Edmonds , Qingfeng Li , Fuqiang Wang