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Related papers: Propagation of Fast Partons in the Nuclear Medium

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We reconsider the problem of transverse momentum broadening of a highly-energetic parton suffering multiple scatterings in dense colored media, such as the thermal Quark-Gluon plasma or large nuclei. In the framework of Moli\`ere's theory…

High Energy Physics - Phenomenology · Physics 2021-10-04 Joao Barata , Yacine Mehtar-Tani , Alba Soto-Ontoso , Konrad Tywoniuk

In these proceedings, we compute the heavy quark momentum diffusion coefficient using QCD effective kinetic theory for a plasma going through the bottom-up thermalization scenario until approximate hydrodynamization. This transport…

High Energy Physics - Phenomenology · Physics 2025-06-25 Kirill Boguslavski , Aleksi Kurkela , Tuomas Lappi , Florian Lindenbauer , Jarkko Peuron

Transverse momentum spectra of the reaction products from proton-proton and nucleus-nucleus collisions are discussed within the phenomenological frameworks of statistical phase-space and string fragmentation models. It will be shown that a…

High Energy Physics - Phenomenology · Physics 2007-05-23 Nick van Eijndhoven

Color diffusion is shown to be an important dissipative property of quark-gluon plasmas that rapidly damps collective color modes. We derive the characteristic color relaxation time scale, $t_c\approx (3\alpha_s T \log(m_E/m_M ))^{-1}$,…

Nuclear Theory · Physics 2009-10-09 Alexei V. Selikhov , Miklos Gyulassy

The influence of nuclear effects on the transverse momentum $(p_T)$ distributions of neutrinoproduced hadrons is investigated using the data obtained with SKAT propane-freon bubble chamber irradiated in the neutrino beam (with $E_{\nu}$ =…

High Energy Physics - Experiment · Physics 2015-06-25 N. M. Agababyan , V. V. Ammosov , M. Atayan , N. Grigoryan , H. Gulkanyan , A. A. Ivanilov , Zh. Karamyan , V. A. Korotkov

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 demonstrate and characterize an experimental technique to directly image the momentum distribution of a strongly interacting two-dimensional quantum gas with high momentum resolution. We apply the principles of Fourier optics to…

Quantum Gases · Physics 2014-10-15 P. A. Murthy , D. Kedar , T. Lompe , M. Neidig , M. G. Ries , A. N. Wenz , G. Zürn , S. Jochim

We investigate the perturbative and non-perturbative aspects of heavy quark transport in a thermal QCD medium. Based on the Soft-Hard Factorized Model (SHFM), we extend the original perturbative framework to the near-critical temperature…

High Energy Physics - Phenomenology · Physics 2025-10-14 Jiazhen Peng , Jiale Lou , Fei Sun , Kejun Wu , Wei Xie , Zuman Zhang , Shuang Li , Sa Wang

We derive light-cone sum rules for the electromagnetic nucleon form factors including the next-to-leading-order corrections for the contribution of twist-three and twist-four operators and a consistent treatment of the nucleon mass…

High Energy Physics - Phenomenology · Physics 2013-12-16 I. V. Anikin , V. M. Braun , N. Offen

We develop a light-front Hamiltonian formalism to study the real-time quantum evolution of a high-energy quark propagating through the Glasma phase of a heavy-ion collision. In this work, the quark Fock space is truncated to the $\ket{q}$…

High Energy Physics - Phenomenology · Physics 2026-05-12 Dana Avramescu , Carlos Lamas , Tuomas Lappi , Meijian Li , Carlos A. Salgado

The momentum distributions of partons in bound nucleons are known to depend significantly on the size of the nucleus. The Fourier transform of the momentum ($\xbj$) distribution measures the overlap between Fock components of the nucleon…

High Energy Physics - Phenomenology · Physics 2010-11-19 P. Hoyer , M. Vänttinen

We investigated the transverse charge densities in the nucleon in nuclear matter within the framework of the in-medium modified Skyrme model. The medium modification of the nucleon electromagnetic form factors are first discussed. The…

High Energy Physics - Phenomenology · Physics 2015-06-15 Ulugbek Yakhshiev , Hyun-Chul Kim

To estimate the diffusion constant $D$ of particles in a plasma, we develop a method that is based on the mean free path $\lambda$ for scatterings with momentum transfer $q >~ T$. Using this method, we estimate $\lambda$ and $D$ for squarks…

High Energy Physics - Phenomenology · Physics 2009-10-31 Hooman Davoudiasl , Eric Westphal

We consider the diffusion of a non-relativistic heavy quark of fixed mass M, in a one-dimensionally expanding and strongly coupled plasma using the AdS/CFT duality. The Green's function constructed around a static string embedded in a…

High Energy Physics - Theory · Physics 2008-11-26 Keun-Young Kim , Sang-Jin Sin , Ismail Zahed

Various astrophysical studies have motivated the investigation of the transport of high energy particles in magnetic turbulence, either in the source or en route to the observation sites. For strong turbulence and large rigidity, the…

High Energy Astrophysical Phenomena · Physics 2011-07-08 I. Plotnikov , G. Pelletier , M. Lemoine

We investigate the dynamics of a particle moving randomly along a disordered hetero-polymer subjected to rapid conformational changes which induce superdiffusive motion in chemical coordinates. We study the antagonistic interplay between…

Statistical Mechanics · Physics 2009-11-10 D. Brockmann , T. Geisel

We investigate the propagation of magnons after ultrashort perturbations of the exchange interaction in the prototype two-dimensional Heisenberg antiferromagnet. Using the recently proposed neural quantum states, we predict highly…

Mesoscale and Nanoscale Physics · Physics 2021-09-01 G. Fabiani , M. D. Bouman , J. H. Mentink

We compute the momentum diffusion coefficient of a nonrelativistic heavy quark in a hot QCD plasma, to next-to-leading order in the weak coupling expansion. Corrections arise at O(g); physically they represent interference between…

High Energy Physics - Phenomenology · Physics 2008-11-26 Simon Caron-Huot , Guy D. Moore

We study the mechanism of the $\gamma$ and $\pi^0$ enhancement at large transverse momenta in proton-nucleus collisions. A proposed mechanism suggests an increase in the width of the transverse momentum distribution of partons in a semihard…

Nuclear Theory · Physics 2007-05-23 Gabor Papp , George Fai , Peter Levai

Reaction-diffusion processes in two-dimensional percolating structures are investigated. Two different problems are addressed: reaction spreading on a percolating cluster and front propagation through a percolating channel. For reaction…

Statistical Mechanics · Physics 2013-07-01 Federico Bianco , Sergio Chibbaro , Davide Vergni , Angelo Vulpiani