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Related papers: HQ Collisional energy loss in a magnetized medium

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We employ the linear response theory to calculate the polarization rate of heavy quark spin in the presence of a strong magnetic field and the hot QCD matter, both of which are simultaneously generated in relativistic heavy-ion collisions.…

Nuclear Theory · Physics 2025-05-27 Tianyang Li , Anping Huang , Baoyi Chen

Hadron production has been calculated in a pQCD improved parton model for pp, dA and heavy ion collisions. We applied KKP and AKK fragmentation functions. Our jet fragmentation study shows, that hadron ratios at high p_T depend on quark…

High Energy Physics - Phenomenology · Physics 2007-07-02 G. G. Barnafoldi , P. Levai , B. A. Cole , G. Fai , G. Papp

Coulomb interaction between two closely spaced parallel layers of electron system can generate the frictional drag effect by interlayer Coulomb scattering. Employing graphene double layers separated by few layer hexagonal boron nitride…

Mesoscale and Nanoscale Physics · Physics 2017-08-09 Xiaomeng Liu , Lei Wang , Kin Chung Fong , Yuanda Gao , Patrick Maher , Kenji Watanabe , Takashi Taniguchi , James Hone , Cory Dean , Philip Kim

Heavy Quarks (HQs) serve as excellent probes to understand various characteristics of deconfined hot QCD medium, comprising light quarks and gluons, created in the Heavy Ion Collisions (HICs). Strong magnetic fields in non-central HICs may…

High Energy Physics - Phenomenology · Physics 2023-10-18 Surasree Mazumder , Vinod Chandra , Santosh K Das

We calculate a novel "magnetic contribution" to the dilepton spectrum in heavy-ion collisions arising from interaction of relativistic quarks with intense magnetic field. Synchrotron radiation by quarks, which can be approximated by the…

Nuclear Theory · Physics 2013-09-04 Kirill Tuchin

In this contribution to the Quark Matter 2012 conference, we study whether energy loss models established for RHIC energies to describe the quenching of heavy quarks can be applied at LHC with the same success. We also benefit from the…

High Energy Physics - Phenomenology · Physics 2015-06-12 Pol Bernard Gossiaux , Marlene Nahrgang , Marcus Bluhm , Thierry Gousset , Joerg Aichelin

At leading order in QCD coupling constant, we compute the energy loss per traveling distance of a heavy quark $dE/dz$ from elastic scattering off thermal quarks and gluons at a temperature $T$, including the thermal perturbative description…

High Energy Physics - Phenomenology · Physics 2024-05-24 Jiazhen Peng , Kewei Yu , Shuang Li , Wei Xiong , Fei Sun , Wei Xie

We present a phenomenological study of the associated production of a prompt photon and a heavy quark jet (charm or bottom) in Pb-Pb collisions at the LHC. This channel allows for estimating the amount of energy loss experienced by the…

High Energy Physics - Phenomenology · Physics 2015-06-12 T. Stavreva , F. Arleo , I. Schienbein

The attenuation of heavy-flavored particles in nucleus-nucleus collisions tests the microscopic dynamics of medium-induced parton energy loss and, in particular, its expected dependence on the identity (color charge and mass) of the parent…

High Energy Physics - Phenomenology · Physics 2009-11-11 A. Dainese , N. Armesto , M. Cacciari , C. A. Salgado , U. A. Wiedemann

We study the influence of a background magnetic field on the $J/\psi$ vector meson in a DBI-extension of the soft wall model, building upon our earlier work Phys. Rev. D91, 086002 (2015). In this specific holographic QCD model, we discuss…

High Energy Physics - Theory · Physics 2018-04-04 David Dudal , Thomas G. Mertens

We study the momentum and centrality dependence of the non-prompt $J/\psi$ nuclear modification factors ($R_{AA}$), which comes from the $B$ hadrons decay, in Pb-Pb collisions at the Large Hadron Collider. Bottom quarks are produced in the…

Nuclear Theory · Physics 2023-06-01 Meimei Yang , Shiqi Zheng , Bo Tong , Jiaxing Zhao , Wenyuan Ouyang , Kai Zhou , Baoyi Chen

The strong interaction between heavy quarks and the quark gluon plasma makes the open and hidden charm hadrons be sensitive probes of the deconfinement phase transition in high energy nuclear collisions. Both the cold and hot nuclear matter…

High Energy Physics - Phenomenology · Physics 2016-11-23 Kai Zhou , Wei Dai , Nu Xu , Pengfei Zhuang

The bulk viscosity of hot QCD medium has been obtained in the presence of strong magnetic field. The present investigation involves the estimation of the quark damping rate and subsequently the thermal relaxation time for quarks in the…

Nuclear Theory · Physics 2018-06-13 Manu Kurian , Vinod Chandra

The quenching of jets (particles with $p_T>>T, \Lambda_{QCD}$) in ultra-relativistic heavy-ion collisions has been one of the main prediction and discovery at RHIC. We have studied, by a simple jet quenching modeling, the correlation…

High Energy Physics - Phenomenology · Physics 2011-10-14 F. Scardina , M. Di Toro , V. Greco

Intense transient electric ({\bf E}) and magnetic ({\bf B}) fields are produced in the high energy heavy-ion collisions. The electromagnetic fields produced in such high-energy heavy-ion collisions are proposed to give rise to a multitude…

High Energy Physics - Phenomenology · Physics 2021-12-28 Sk Noor Alam , Victor Roy , Shakeel Ahmad , Subhasis Chattopadhyay

We compute the leading-order collisional energy loss of a heavy fermion propagating in a QED plasma with an electron distribution function which is anisotropic in momentum space. We show that in the presence of such anisotropies there can…

High Energy Physics - Phenomenology · Physics 2008-11-26 Paul Romatschke , Michael Strickland

The properties of nuclear matter under extreme conditions of high temperature, density and isospin-asymmetry have attracted wide attentions in recent years. At present, heavy ion reactions in combination with corresponding model simulations…

Nuclear Theory · Physics 2019-06-26 Yuliang Sun , Yongjia Wang , Qingfeng Li , Fuqiang Wang

Interactions of high momentum partons with Quark-Gluon Plasma created in relativistic heavy-ion collisions provide an excellent tomography tool for this new form of matter. Recent measurements for charged hadrons and unidentified jets at…

Nuclear Theory · Physics 2017-11-08 Magdalena Djordjevic

It was argued recently that loop corrections to tree-level amplitudes are essential in the discussion of the collisional energy loss of energetic partons in the hot quark gluon plasma: Instead of $dE_{\rm coll}^B/dx \sim \alpha^2 T^2…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Peshier

We calculate the collisional energy loss suffered by a heavy (charm) quark created at a finite time within a Quark Gluon Plasma (QGP) in the classical linear response formalism as in Peigne {\it et al.} \cite{peigne}. We pay close attention…

Nuclear Theory · Physics 2008-11-26 A. Adil , M. Gyulassy , W. A. Horowitz , S. Wicks