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Through an impulse approximation analysis of single spin Sivers and Collins asymmetries in the Bjorken limit, the possibility to extract the quark transverse-momentum distributions in the neutron from semi-inclusive deep inelastic electron…

High Energy Physics - Phenomenology · Physics 2013-02-12 Emanuele Pace , Giovanni Salme' , Sergio Scopetta , Alessio Del Dotto

Parton propagation in dense nuclear matter results in elastic, inelastic and coherent multiple soft scattering with the in-medium color charges. Such scattering leads to calculable modifications of the hadron production cross section that…

High Energy Physics - Phenomenology · Physics 2015-06-25 Ivan Vitev

Heavy quark medium induced radiative energy loss is derived to all orders in opacity, $(L/\lambda_g)^n$. The analytic expression generalizes the GLV opacity expansion for massless quanta to heavy quarks with mass $M$ in a QCD plasma with a…

Nuclear Theory · Physics 2009-10-09 Magdalena Djordjevic , Miklos Gyulassy

The momentum distributions of the constituent quarks inside the nucleon and the prominent electroproduced nucleon resonances are investigated in the two most sophisticated, available quark potential models, based respectively on the…

Nuclear Theory · Physics 2011-04-15 F. Cardarelli , E. Pace , G. Salme' , S. Simula

We report on a lattice investigation of heavy quark diffusion within pure SU(3) plasma above the deconfinement transition, with the quarks treated to leading order in the heavy mass expansion. Using a multilevel algorithm, several volumes…

High Energy Physics - Lattice · Physics 2015-03-19 A. Francis , O. Kaczmarek , M. Laine , J. Langelage

By utilizing a soft-hard factorized model, which combines a thermal perturbative description of soft scatterings and a perturbative QCD-based calculation for hard collisions, we study the energy and temperature dependence of the heavy quark…

High Energy Physics - Phenomenology · Physics 2021-06-24 Shuang Li , Fei Sun , Wei Xie , Wei Xiong

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

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

In this paper, we investigate the heavy quark (HQ) mass effects on the transverse momentum dependent fragmentation function (TMDFF). We first calculate the one-loop TMDFF initiated by a heavy quark. We then investigate the HQ TMDFF in the…

High Energy Physics - Phenomenology · Physics 2024-02-29 Lin Dai , Chul Kim , Adam K. Leibovich

Heavy-quark observables in ultrarelativistic heavy-ion collisions, like the nuclear modification factor and the elliptic flow, give insight into the mechanisms of high-momentum suppression and low-momentum thermalization of heavy quarks.…

Nuclear Theory · Physics 2016-04-27 Marlene Nahrgang , Jörg Aichelin , Pol Bernard Gossiaux , Klaus Werner

Employing scalar QCD we study the gluon emission of heavy quarks created by the interaction with light quarks considered as dynamical scattering centers. We develop approximation formulas for the high energy limit and study when the full…

High Energy Physics - Phenomenology · Physics 2014-05-13 Joerg Aichelin , Pol Bernard Gossiaux , Thierry Gousset

We obtain the spatial and momentum diffusion coefficients ($D_s$ and $\kappa$), and the collisional energy loss ($dE/dx$) of a heavy quark (HQ) traversing through a thermal medium of quarks and gluons in a weak magnetic field ($B$), for the…

High Energy Physics - Phenomenology · Physics 2024-06-12 Debarshi Dey , Binoy krishna Patra

The effects of longitudinal bulk viscous pressure on the heavy quark dynamics have been estimated in a strongly magnetized quark-gluon plasma within the Fokker-Planck approach. The bulk viscous modification to the momentum distribution of…

Nuclear Theory · Physics 2020-05-27 Manu Kurian , Vinod Chandra , Santosh K. Das

We discuss resonance recombination for quarks and show that it is compatible with quark and hadron distributions in local thermal equilibrium. We then calculate realistic heavy quark phase space distributions in heavy ion collisions using…

Nuclear Theory · Physics 2015-05-30 Rainer J. Fries , Min He , Ralf Rapp

Energetic particle transport in a finite amplitude magnetosonic and Alfvenic turbulence is considered using Monte Carlo particle simulations, which involve an integration of particle equation of motion. We show that in a low-Betha plasma…

Astrophysics · Physics 2008-02-03 G. Michalek , M. Ostrowski , R. Schlickeiser

We study the heavy quark energy loss in the presence of a background magnetic field. The analysis considers the high magnetic field generated by spectators from initial hard collisions that were incorporated using the medium-modified Debye…

High Energy Physics - Phenomenology · Physics 2024-03-11 Mohammad Yousuf Jamal , Jai Prakash , Indrani Nilima , Aritra Bandyopadhyay

When the energy of the heavy quark is comparable with its mass, it is natural to attribute this heavy quark to the hard part of the reaction. At large energies, this approach is impractical due to large logarithms from intensive QCD…

High Energy Physics - Phenomenology · Physics 2007-05-23 P. M. Nadolsky , N. Kidonakis , F. Olness , C. -P. Yuan

We present results for the evolution of the momentum distribution of a hard parton traversing a brick of quark-gluon plasma, considering both bremsstrahlung and collisional energy loss. The complete leading order transition rates are…

High Energy Physics - Phenomenology · Physics 2009-08-03 Bjoern Schenke , Charles Gale , Guang-You Qin

We calculate the transition between a quarkonium state and an unbound heavy quark-antiquark pair through gluo-dissociation and inelastic parton scattering using a partonic picture that interpolates between the formal limits based on…

Nuclear Theory · Physics 2019-12-17 Juhee Hong , Su Houng Lee

The "Iterative Laplace Transform Method" is used to solve the Fokker-Planck equation for finding the time evolution of the heavy quarks distribution functions such as charm and bottom in quark gluon plasma. These solutions will lead us to…

High Energy Physics - Phenomenology · Physics 2015-07-07 Sharareh Mehrabi Pari , Kurosh Javidan , Fatemeh Taghavi Shahri
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