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We study the time evolution of a high-momentum gluon or quark propagating through an infinite, thermalized, partonic medium utilizing a Boltzmann equation approach. We calculate the collisional energy loss of the parton, study its…

Nuclear Theory · Physics 2014-11-21 Ghi R. Shin , Steffen A. Bass , Berndt Mueller

The medium induced energy loss spectrum of a high energy quark or gluon traversing a hot QCD medium of finite volume is studied. We model the interaction by a simple picture of static scattering centres. The total induced energy loss is…

High Energy Physics - Phenomenology · Physics 2008-11-26 R. Baier , Yu. L. Dokshitzer , A. H. Mueller , S. Peigné , D. Schiff

The induced gluon radiation of a high energy quark in a finite-size QCD medium is studied. For a sufficiently energetic quark produced inside a medium we find the radiative energy loss $\Delta E_{q}\propto L^{2}$, where L is the distance…

High Energy Physics - Phenomenology · Physics 2011-05-05 B. G. Zakharov

The average transverse momentum transfer per unit path length to a fast parton scattering elastically in a perturbative quark-gluon plasma is related to the radiative energy loss of the parton. We first calculate the momentum transfer…

High Energy Physics - Phenomenology · Physics 2009-12-31 A. Majumder , B. Müller , St. Mrowczynski

$\hat q$ is the average squared transverse momentum transfer per unit length to a high-energy particle traversing a QCD medium such as a quark-gluon plasma. We find the (UV-regulated) value of $\hat q$ to leading order in the weak coupling…

High Energy Physics - Phenomenology · Physics 2008-12-30 Peter Arnold , Wei Xiao

Considerable evidence now exists for partonic energy loss due to interaction with the hot, dense medium created in ultra-relativistic heavy-ion collisions. A primary signal of this energy loss is the suppression of high transverse momentum…

Nuclear Theory · Physics 2026-04-10 Ian Gill , Ryan J. Hamilton , Helen Caines

We use linear viscous hydrodynamics to describe the energy and momentum deposited by a fast moving parton in a quark gluon plasma. This energy-momentum is in turn used to compute the probability density for the production of soft partons by…

High Energy Physics - Phenomenology · Physics 2016-08-31 Alejandro Ayala , Isabel Dominguez , Jamal Jalilian-Marian , Maria Elena Tejeda-Yeomans

One of the key signatures of the Quark Gluon Plasma (QGP) is the energy loss of high momentum particles as they traverse the strongly interacting medium. The energy loss of these particles is governed by the jet transport coefficient…

Nuclear Theory · Physics 2021-03-08 Emma McLaughlin , Jacob Rose , Paolo Parotto , Claudia Ratti , Jacquelyn Noronha-Hostler

The induced momentum spectrum of soft gluons radiated from a high energy quark propagating through a QCD medium is derived in the BDMPS formalism. A calorimetric measurement for the medium dependent energy lost by a jet with opening angle…

High Energy Physics - Phenomenology · Physics 2009-10-31 R. Baier , Yu. L. Dokshitzer , A. H. Mueller , D. Schiff

We study the connection between radiative energy loss and radiative p_T-broadening of a high-energy quark or gluon passing through QCD matter. The generalized Baier-Dokshitzer-Mueller-Peigne-Schiff-Zakharov (BDMPS-Z) formalism is used to…

High Energy Physics - Phenomenology · Physics 2014-12-17 Bin Wu

We study the collisional energy loss suffered by an energetic parton travelling the distance L in a high temperature quark-gluon plasma and initially produced in the medium. We find that the medium-induced collisional loss -Delta E(L) is…

High Energy Physics - Phenomenology · Physics 2009-11-11 S. Peigne , P. -B. Gossiaux , T. Gousset

The effects of heavy quarks energy loss on the transverse momentum spectra of single muons are studied. The energy loss of heavy quarks when traversing the medium formed in PbPb collisions at $\sqrt{s_\mathrm{NN}}$=5.5 TeV is calculated by…

High Energy Physics - Phenomenology · Physics 2008-11-26 H. -T. Ding , A. Dainese , Z. Conesa del Valle , D. Zhou

A detailed investigation of the energy loss of gluons that traverse a thermal gluonic medium simulated within the perturbative QCD--based transport model BAMPS (a Boltzmann approach to multiparton scatterings) is presented in the first part…

High Energy Physics - Phenomenology · Physics 2011-07-04 Oliver Fochler , Zhe Xu , Carsten Greiner

We revisited gluon bremsstrahlung off a heavy quark in nuclear matter within higher twist formalism. In this work, we demonstrate that, in addition to transverse momentum diffusion parameter ($\hat q$), the gluon emission spectrum for a…

Nuclear Theory · Physics 2016-05-19 Raktim Abir , Shanshan Cao , Abhijit Majumder , Guang-You Qin

Stimulated gluon emission and thermal absorption in addition to induced radiation are considered for an energetic parton propagating inside a quark- gluon plasma. In the presence of thermal gluons, stimulated emission reduces while…

Nuclear Theory · Physics 2014-11-18 Enke Wang , Xin-Nian Wang

In the BDMPSZ model, the energy loss of an outgoing parton in a medium $-dE/dx$ is the transport coefficient $\hat{q}$ times $L$ the length traveled. This results in jet quenching, which is well established. However BDMPSZ also predicts an…

Nuclear Experiment · Physics 2019-07-11 M. J. Tannenbaum

Within the generalized high-twist factorization formalism, we express the contribution from multiple parton scattering and induced gluon radiation to the DY dilepton spectra in terms of nuclear modified effective beam quark distribution…

High Energy Physics - Phenomenology · Physics 2012-10-16 Hongxi Xing , Yun Guo , Enke Wang , Xin-Nian Wang

We study analytically the medium-induced energy loss of a high energy parton passing through a finite size QCD plasma, which is expanding longitudinally according to Bjorken's model. We extend the BDMPS formalism already applied to static…

High Energy Physics - Phenomenology · Physics 2008-11-26 R. Baier , Yu. L. Dokshitzer , A. H. Mueller , D. Schiff

Within five different approaches to parton propagation and energy loss in dense matter, a phenomenological study of experimental data on suppression of large $p_T$ single inclusive hadrons in heavy-ion collisions at both RHIC and LHC was…

We review the currently available formalisms for radiative energy loss of a high-momentum parton in a dense strongly interacting medium. The underlying theoretical framework of the four commonly used formalisms is discussed and the…

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