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Related papers: On the possible core shift break in relativistic j…

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We introduce a new 'quantile' analysis strategy to study the modification of jets as they traverse through a droplet of quark-gluon plasma. To date, most jet modification studies have been based on comparing the jet properties measured in…

High Energy Physics - Phenomenology · Physics 2019-09-18 Jasmine Brewer , José Guilherme Milhano , Jesse Thaler

We investigate the shape of the jet break in within-beam gamma-ray burst (GRB) optical afterglows for various lateral jet structure profiles. We consider cases with and without lateral spreading and a range of inclinations within the jet…

High Energy Astrophysical Phenomena · Physics 2021-08-12 Gavin P Lamb , D. Alexander Kann , Joseph John Fernández , Ilya Mandel , Andrew J. Levan , Nial R. Tanvir

Variations of the optical continuum emission in the radio galaxy 3C 390.3 are compared to the properties of radio emission from the compact, sub-parsec-scale jet in this object. We showed that very long-term variations of optical continuum…

This study investigates the color-charge dependence of parton energy loss in the quark-gluon plasma (QGP) medium and the associated relative modifications of quark and gluon jet fractions compared to vacuum, using jet axis decorrelation…

High Energy Physics - Phenomenology · Physics 2026-01-08 Raghunath Pradhan , Olga Evdokimov

Relativistic jets originating at the center of AGN are embedded in extreme environments with strong magnetic fields and high particle densities, which makes them a fundamental tool for studying the physics of magnetized plasmas. We aim to…

High Energy Astrophysical Phenomena · Physics 2025-06-04 V. Bartolini , D. Dallacasa , J. L. Gómez , M. Giroletti , R. Lico , J. D. Livingston

We present the measurement of a new set of jet shape observables for track-based jets in central Pb-Pb collisions at $\sqrt{s_{\mathrm{NN}}} = 2.76$ TeV. The set of jet shapes includes the first radial moment or angularity, $g$; the…

Nuclear Experiment · Physics 2019-01-21 ALICE Collaboration

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

We present a new, approximate method for modelling the acceleration and collimation of relativistic jets in the presence of gravity. This method is self-similar throughout the computational domain where gravitational effects are negligible…

High Energy Astrophysical Phenomena · Physics 2015-06-11 Peter Polko , David L. Meier , Sera Markoff

Recent LHC results concerning full jet-quenching in PbPb collisions have been presented in terms of a jet asymmetry parameter, measuring the imbalance between the transverse momenta of leading and subleading jets. We examine the potential…

High Energy Physics - Phenomenology · Physics 2011-07-01 Matteo Cacciari , Gavin P. Salam , Gregory Soyez

We use relativistic hydrodynamic numerical calculations to study the interaction between a jet and a homologous outflow produced dynamically during binary neutron star mergers. We quantify how the thermal energy supplied by the jet to the…

High Energy Astrophysical Phenomena · Physics 2018-10-17 Paul C. Duffell , Eliot Quataert , Daniel Kasen , Hannah Klion

With our coupled jet-fluid model, we study the nuclear modifications of full jets and jet structures for single inclusive jet and $\gamma$-jet events in relativistic heavy-ion collisions. The evolution of full jet showers is studied via a…

Nuclear Theory · Physics 2018-12-27 Ning-Bo Chang , Guang-You Qin , Yasuki Tachibana

The nature of the emission region around Sagittarius A* (Sgr A*), the supermassive black hole at the Galactic Center, remains under debate. A prediction of jet models is that a frequency-dependent shift in the position of the radio core…

High Energy Astrophysical Phenomena · Physics 2026-02-11 R. Fraga-Encinas , M. Moscibrodzka , H. Falcke

We present the results of a numerical analysis of the propagation and interaction of a supersonic jet with the external medium. We discuss the motion of the head of the jet into the ambient in different physical conditions, carrying out…

Astrophysics · Physics 2008-02-03 S. Massaglia , G. Bodo , A. Ferrari

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

In this paper, we carry out a semi-analytic general relativistic study of a Gamma-Ray Bursts (GRB) jet that is breaking out of a cocoon or stellar envelope. We solve hydrodynamic equations with the relativistic equation of state that takes…

High Energy Astrophysical Phenomena · Physics 2022-05-31 Mukesh K. Vyas

Jet physics provides a powerful tool to investigate interaction properties of quarks and gluons. These studies have been possible at an energy never investigated before at LHC. In this proceedings we review the main characteristics of…

High Energy Physics - Experiment · Physics 2016-08-02 Murilo Rangel

High energy quarks and gluons play essential roles in the tomographic study of relativistic heavy-ion collisions and of the quark-gluon plasma. They interact with the traversed dense matter through elastic and inelastic collisions, and lose…

High Energy Physics - Phenomenology · Physics 2012-10-25 Guang-You Qin

The Lorentz factor of a relativistic jet and its evolution during the jet expansion are difficult to estimate, especially for the jets in gamma-ray bursts (GRBs). However, it is related to the understanding of jet physics. Owing to the…

High Energy Astrophysical Phenomena · Physics 2019-10-09 Da-Bin Lin , Rui-Jing Lu , Shen-Shi Du , Tong Liu , Xiang-Gao Wang , En-Wei Liang

We discuss jet dynamics for narrow and wide gamma-ray burst (GRB) afterglow jets and the observational implications of numerical simulations of relativistic jets in two dimensions. We confirm earlier numerical results that sideways…

High Energy Astrophysical Phenomena · Physics 2015-05-28 Hendrik J. van Eerten , Andrew I. MacFadyen

We study magnetic field strengths along the jet in NGC~315. First, we estimated the angular velocity of rotation in the jet magnetosphere by comparing the measured velocity profile of NGC~315 with the magneto-hydrodynamic jet model of…

High Energy Astrophysical Phenomena · Physics 2024-07-29 Motoki Kino , Hyunwook Ro , Masaaki Takahashi , Tomohisa Kawashima , Jongho Park , Kazuhiro Hada , Yuzhu Cui