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Related papers: Soft Gluon Radiation off Heavy Quarks beyond Eikon…

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We present predictions for the nuclear modification factor and elliptic flow of D and B mesons, as well as of their decay electrons, in semicentral Pb-Pb collisions at the LHC. Heavy quarks are propagated in a Quark-Gluon Plasma using a…

High Energy Physics - Phenomenology · Physics 2008-04-22 H. van Hees , V. Greco , R. Rapp

The electrodynamical formulae for the transition radiation are applied to the case of partons crossing the surface of the deconfined region in heavy ion collisions. The chromopermittivity is used in place of the dielectric permittivity. The…

High Energy Physics - Phenomenology · Physics 2010-03-11 I. M. Dremin

We study the energy loss of a heavy quark propagating in the Quark-Gluon Plasma (QGP) in the framework of the Moller theory, including possible large Coulomb logarithms as a perturbation to BDMPSZ bremsstrahlung, described in the Harmonic…

High Energy Physics - Phenomenology · Physics 2020-08-26 B. Blok

The quark-gluon plasma (QGP) excitations, corresponding to the scalar and pseudoscalar meson quantum numbers, for different temperatures are calculated. Analysis is performed in the Hard Thermal Loop (HTL) Approximation and leads to a…

High Energy Physics - Phenomenology · Physics 2015-06-11 P. Czerski , W. M. Alberico

We revisit the calculation of multiple parton scattering of a heavy quark in nuclei within the framework of recently improved high-twist factorization formalism, in which gauge invariance is ensured by a delicate setup of the initial…

High Energy Physics - Phenomenology · Physics 2018-09-18 Yi-Lun Du , Yayun He , Xin-Nian Wang , Hongxi Xing , Hong-Shi Zong

We perform a comparison of the radiative and collisional parton energy losses in an expanding quark-gluon plasma. The radiative energy loss is calculated within the light-cone path integral approach. The collisional energy loss is…

High Energy Physics - Phenomenology · Physics 2008-11-26 B. G. Zakharov

We study the medium-induced gluon emission process experienced by a hard jet parton propagating through the dense nuclear matter in the framework of deep inelastic scattering off a large nucleus. We work beyond the collinear rescattering…

High Energy Physics - Phenomenology · Physics 2019-10-09 Le Zhang , De-Fu Hou , Guang-You Qin

We consider the radiation of photons from quarks scattering on color-magnetic monopoles in the Quark-Gluon Plasma. We consider a temperature regime $T\gsim2T_c$, where monopoles can be considered as static, rare objects embedded into matter…

High Energy Physics - Phenomenology · Physics 2010-02-03 Michael Lublinsky , Claudia Ratti , Edward Shuryak

We present a calculation of the heavy quark momentum diffusion coefficients in a quark-gluon plasma under the presence of a strong external magnetic field, within the Lowest Landau Level (LLL) approximation. In particular, we apply the Hard…

High Energy Physics - Phenomenology · Physics 2022-07-26 Aritra Bandyopadhyay , Jinfeng Liao , Hongxi Xing

Assuming the gluon field is well approximated by instanton configurations we derive a light quarks determinant and calculate its contribution to the specific heavy quarks correlators -- namely, the heavy quark propagator and heavy…

High Energy Physics - Phenomenology · Physics 2015-05-27 M. Musakhanov

Employing a Brueckner-type many-body approach, based on a driving potential extracted from lattice QCD, we study light quark properties in a Quark-Gluon Plasma (QGP) at moderate temperatures, $T\simeq$~1-2~$T_c$. The quark-antiquark…

High Energy Physics - Phenomenology · Physics 2009-11-11 M. Mannarelli , R. Rapp

We extend our previous work on scattering amplitudes [1] to hadron collisions. We provide a general formalism for the computation of eikonal amplitudes squared for the radiation of soft and energy-ordered gluons off three hard-legs at…

High Energy Physics - Phenomenology · Physics 2020-09-15 Kamel Khelifa-Kerfa , Yazid Delenda

We consider the radiation of three soft gluons in a generic process for multiparton hard scattering in QCD. In the soft limit the corresponding scattering amplitude has a singular behaviour that is factorized and controlled by a colorful…

High Energy Physics - Phenomenology · Physics 2020-07-28 Stefano Catani , Dimitri Colferai , Alessandro Torrini

On the basis of hydrodynamic model of evolution we consider emission of lightest (\pi,K,\eta,\rho,\omega,K^*) mesons directly from the surface of quark-gluon plasma, created in the heavy ion collision, with accounting of their absorption by…

High Energy Physics - Phenomenology · Physics 2007-05-23 D. Yu. Peressounko , Yu. E. Pokrovsky

The rapid thermalization of quarks and gluons in the initial stages of relativistic heavy-ion collisions is treated using analytic solutions of a nonlinear diffusion equation with schematic initial conditions, and for gluons with boundary…

High Energy Physics - Phenomenology · Physics 2020-05-04 Georg Wolschin

We present a detailed phenomenological study of the multiple soft gluon radiation for the $t$-channel single top and anti-top quark production at the Large Hadron Collider (LHC). By applying the transverse momentum dependent factorization…

High Energy Physics - Phenomenology · Physics 2019-02-26 Qing-Hong Cao , Peng Sun , Bin Yan , C. -P. Yuan , Feng Yuan

We study the synchrotron radiation of gluons by fast quarks in strong magnetic field produced by colliding relativistic heavy-ions. We argue that due to high electric conductivity of plasma, time variation of the magnetic field is slow and…

Nuclear Theory · Physics 2011-04-04 Kirill Tuchin

The drag and diffusion coefficients of heavy quarks (HQs) have been evaluated in the pre-equilibrium phase of the evolving fireball produced in heavy ion collisions at RHIC and LHC energies. The KLN and classical Yang-Mills spectra have…

Nuclear Theory · Physics 2015-08-05 Santosh K. Das , Marco Ruggieri , Surasree Mazumder , Vincenzo Greco , Jan-e Alam

The heavy-quark spectral function in a hot plasma is reconstructed from the corresponding euclidean propagator. The latter is evaluated through a path-integral simulation. A weak-coupling calculation is also performed, allowing to interpret…

High Energy Physics - Phenomenology · Physics 2009-11-18 A. Beraudo , J. P. Blaizot , P. Faccioli , G. Garberoglio

Hadronization of heavy quarks reveals various unusual features. Gluon radiation by a heavy quark originated from a hard process, ceases shortly on a distance of the order of few fm. Due to the dead-cone effect a heavy quark radiates only a…

High Energy Physics - Phenomenology · Physics 2019-10-17 B. Z. Kopeliovich , Jan Nemchik , I. K. Potashnikova , Ivan Schmidt