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For the present analysis, simulations are carried out for thousand of events for the reaction of 79Au197 + 79Au197 at semi-central geometry using a hard equation of state. The whole of the analysis is performed for light charged particles…

Nuclear Theory · Physics 2011-12-23 Sanjeev Kumar , Suneel Kumar

We calculate the contribution to the elliptic flow observable v2 from two-particle correlations in minijet production in ultrarelativistic heavy ion collisions. We use a minijet production cross section derived in a model inspired by…

High Energy Physics - Phenomenology · Physics 2015-06-25 Yuri V. Kovchegov , Kirill L. Tuchin

The gluon radiation induced by multiple scattering of a hard parton in expanding quark-gluon plasma is investigated. The radiative energy loss of hard parton jet is shown to decrease considerably when angular size of extracted jet goes up,…

High Energy Physics - Phenomenology · Physics 2016-09-06 I. P. Lokhtin , A. M. Snigirev

A maximum jet efficiency line $R\sim 25$ ($R=L_{\rm jet}/L_{\rm bol}$), found in FRII radio galaxies by Fernandes et al., was extended to cover the full range of jet power by Punsly. Recent general relativistic magnetohydrodynamic (GRMHD)…

High Energy Astrophysical Phenomena · Physics 2015-06-19 Shuang-Liang Li

An increasing number of observations and simulations suggests that low-power (<10$^{44}$ erg s$^{-1}$) jets may be a significant channel of feedback produced by active galactic nuclei (AGN), but little is known about their actual effect on…

The jet-medium interaction in high energy heavy ion collisions is an important phenomena to characterize the hot and dense medium produced in such collisions. The study of medium-induced modifications to the substructure of inclusive…

High Energy Physics - Phenomenology · Physics 2021-02-03 Sumit Kumar Saha , Debojit Sarkar , Subhasis Chattopadhyay , Ashik Ikbal Sheikh , Sidharth Kumar Prasad

Black-hole and neutron-star X-ray binaries exhibit compact radio jets, when they are in the so called quiescent, hard, or hard intermediate states. The radio spectrum in these states is flat to slightly inverted. It is widely accepted that…

High Energy Astrophysical Phenomena · Physics 2017-07-26 Alexandros Tsouros , Nikolaos D. Kylafis

We estimate the power of relativistic, extragalactic jets by modelling the spectral energy distribution of a large number of blazars. We adopt a simple one-zone, homogeneous, leptonic synchrotron and inverse Compton model, taking into…

Astrophysics · Physics 2009-11-13 A. Celotti , G. Ghisellini

A two-dimensional fluid model is used to investigate the electron heating dynamics and the production of neutral species in a capacitively coupled radio-frequency micro atmospheric pressure helium plasma jet -- specifically the COST jet --…

We present measurements of proper motions and radial velocities of four powerful Herbig-Haro (HH) jets in the Carina nebula: HH 666, HH 901, HH 902, and HH 1066. Two epochs of Hubble Space Telescope (HST) imaging separated by a time…

Solar and Stellar Astrophysics · Physics 2014-11-05 Megan Reiter , Nathan Smith

The emission-lines in the active galaxy IRAS\,0421+0400 show a dramatic ($\sim$\,900\kms) increase in the velocity spread at the position of radio hot-spots which are located at the beginning of extended radio lobes. We study a simple…

Astrophysics · Physics 2015-06-24 W. Steffen , A. J. Holloway , A. Pedlar

In the particle-flow approach information from all available sub-detector systems is combined to reconstruct all stable particles. The global event reconstruction has been shown to improve, in particular, the resolution of jet energy and…

Nuclear Experiment · Physics 2019-08-13 Matthew Nguyen

Large polyatomic molecules typically exhibit low ionization potentials, Ip, leading to over-the-barrier ionization (OBI) already at relatively low intensities (~1013 W/cm2). We revisit laser-induced electron diffraction (LIED) in the…

Atomic Physics · Physics 2024-11-07 B. Belsa , K. M. Ziems , A. Sanchez , K. Chirvi , X. Liu , S. Grfe , J. Biegert

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

Hot relativistic jets, passing through a background medium with a pressure gradient p \propto r^{-\eta} where 2 < \eta <= 8/3, develop a shocked boundary layer containing a significant fraction of the jet power. In previous work, we…

High Energy Astrophysical Phenomena · Physics 2015-06-23 Susanna Kohler , Mitchell C. Begelman

In cross-beam energy transfer (CBET), the interference of two laser beams ponderomotively drives an ion-acoustic wave that coherently scatters light from one beam into the other. This redirection of laser beam energy can severely inhibit…

These proceedings present a brief overview of the main results on jet-modifications in heavy ion collisions at RHIC. In heavy ion collisions, jets are studied using single hadron spectra and di-hadron correlations with a high-\pt{} trigger…

Nuclear Experiment · Physics 2008-08-07 M. van Leeuwen

We describe a code designed for hot media {(T $\ge$} a few 10$^4$ K), optically thick to Compton scattering. It computes the structure of a plane-parallel slab of gas in thermal and ionization equilibrium, illuminated on one side or on both…

Astrophysics · Physics 2009-09-25 Anne-Marie Dumont , Suzy Collin

We analyze interferometric measurements of the Luminous Blue Variable Eta Carinae with the goal of constraining the rotational velocity of the primary star and probing the influence of the companion. Using 2-D radiative transfer models of…

Solar and Stellar Astrophysics · Physics 2015-05-19 Jose H. Groh , Thomas I. Madura , Stanley P. Owocki , D. John Hillier , Gerd Weigelt

We investigate the effect of PT-broadening on jet substructure observables in heavy-ion collisions at the LHC. As an example, we focus on the opening angle of the two branches that satisfy the soft drop grooming condition in a highly…

High Energy Physics - Phenomenology · Physics 2020-07-22 Felix Ringer , Bo-Wen Xiao , Feng Yuan