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We compute the probability distribution for collisional energy loss of an ultrarelativistic parton crossing a quark-gluon plasma. This collisional quenching weight has not been determined previously, unlike the average collisional loss per…

High Energy Physics - Phenomenology · Physics 2026-04-30 G. Jackson , S. Peigné

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

This paper investigates the influence of heavy-quark momentum on their interaction rate and the resulting drag coefficient in a quark-gluon plasma. To go beyond simplified treatments, we introduce a phenomenological extension of the drag…

High Energy Physics - Phenomenology · Physics 2026-04-30 Marjan Rahimi Nezhad , Fatemeh Taghavi-Shahri , Kurosh Javidan

We calculate radiative and collisional energy loss of hard partons traversing the quark-gluon plasma created at RHIC and compare the respective size of these contributions. We employ the AMY formalism for radiative energy loss and include…

High Energy Physics - Phenomenology · Physics 2011-07-26 G. Y. Qin , J. Ruppert , C. Gale , S. Jeon , G. D. Moore , M. G. Mustafa

This paper presents a comparative analysis of three distinct methods used to calculate the collisional energy loss of heavy quarks in Quark-Gluon Plasma. The study focuses on the calculation of the nuclear suppression factor of charm quarks…

High Energy Physics - Phenomenology · Physics 2024-01-30 Marjan Rahimi Nezhad , Fatemeh Taghavi Shahri , Sharareh Mehrabi Pari , Kurosh Javidan

Dynamical screening in the magnetic part of the one-gluon exchange interaction is included in the study of radiative energy loss of a fast parton propagating inside a quark-gluon plasma. As a result the final radiative energy loss is about…

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

A hot, dense medium called a Quark Gluon Plasma (QGP) is created in ultrarelativistic heavy ion collisions. Hard parton scatterings generate high momentum partons that traverse the medium, which then fragment into sprays of particle called…

Nuclear Experiment · Physics 2018-06-19 Megan Connors , Christine Nattrass , Rosi Reed , Sevil Salur

Multiple parton interactions in relativistic heavy ion reactions result in transverse momentum diffusion and medium induced non-Abelian energy loss of the hard probes traversing cold and hot nuclear matter. A systematic study of the…

Nuclear Theory · Physics 2009-11-10 Ivan Vitev

We propose an empirical model to determine the form of energy loss of charm quarks due to multiple scatterings in quark gluon plasma by demanding a good description of production of D mesons and non-photonic electrons in relativistic…

Nuclear Theory · Physics 2015-06-04 Mohammed Younus , Dinesh K. Srivastava

We investigate the energy loss of light quarks in a holographic QCD model with conformal invariance broken by a background dilaton. We perform the analysis within falling string and shooting string, respectively. It turns out that the two…

Nuclear Theory · Physics 2021-03-31 Xiangrong Zhu , Zi-qiang Zhang

As an important signature of the quark-gluon plasma (QGP), a high-precision energy-loss model is essential to independently verify the QGP properties extracted from soft particles. In this work, we optimize the energy loss modeling in…

High Energy Physics - Phenomenology · Physics 2025-03-06 Rouzbeh Modarresi-Yazdi , Shuzhe Shi , Charles Gale , Sangyong Jeon

Radiative energy loss of a highly virtual quark originating from a deep-inelastic electron scattering plays a crucial role in production of leading hadrons off nuclei. The density of energy loss for gluon radiation turns out to be time- and…

High Energy Physics - Phenomenology · Physics 2007-05-23 B. Kopeliovich , J. Nemchik , E. Predazzi

The lowest-order induced soft gluon radiation processes of heavy quarks have been analyzed to quantify the dead cone effect. This effect is most likely expected to suppress significantly the energy loss of charm quarks passing an amorphous…

High Energy Physics - Phenomenology · Physics 2009-11-10 R. Thomas , B. Kampfer , G. Soff

Quark and gluon jets traversing through a quark-gluon plasma not only lose their energies but also can undergo flavor conversions. The conversion rates via the elastic $q(\bar q)g\to gq(\bar q)$ and the inelastic $q\bar q\leftrightarrow gg$…

Nuclear Theory · Physics 2008-11-26 W. Liu , C. M. Ko , B. W. Zhang

The energy loss effects of the incident quark, gluon and the color octet $c\bar{c}$ on $J/\psi$ suppression in p-A collisions are studied by means of the experimental data at E866, RHIC and LHC energy. By the Salgado-Wiedemann (SW)…

High Energy Physics - Phenomenology · Physics 2018-12-05 Li-Hua Song , Lin-Wan Yan , Shang-Fei Xin

A hybrid model is used to describe the energy loss of very high-energy taus and muons in matter due to inelastic scattering on nuclei. The model involves soft and semihard photonuclear interactions as well as the deep inelastic scattering…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. A. Kochanov , K. S. Lokhtin , S. I. Sinegovsky

In this study we evaluate the dynamical collisional energy loss of heavy quarks, their interaction rate as well as the different transport coefficients (drag and diffusion coefficients, $\hat{q}$, etc). We calculate these different…

High Energy Physics - Phenomenology · Physics 2014-12-15 Hamza Berrehrah , Pol-Bernard Gossiaux , Jörg Aichelin , Wolfgang Cassing , Elena Bratkovskaya

We study the diffusion of charm and beauty in the early stage of high energy nuclear collisions at RHIC and LHC energies, considering the interaction of these heavy quarks with the evolving Glasma by means of the Wong equations. In…

Nuclear Theory · Physics 2020-10-13 J. H. Liu , S. Plumari , S. K. Das , V. Greco , M. Ruggieri

A parton produced with a high transverse momentum in a hard collision is regenerating its color field, intensively radiating gluons and losing energy. This process cannot last long, if it ends up with production of a leading hadron carrying…

High Energy Physics - Phenomenology · Physics 2015-06-18 B. Z. Kopeliovich , J. Nemchik , I. K. Potashnikova , Ivan Schmidt

We show that partons traversing a quark-gluon plasma can lose substantial amounts of energy also by scatterings, and not only through medium-induced radiation as mainly considered previously. Results from Monte Carlo simulations of soft…

High Energy Physics - Phenomenology · Physics 2007-05-23 Korinna Zapp , Gunnar Ingelman , Johan Rathsman , Johanna Stachel