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Related papers: Dileptons and Medium Effects in Heavy-Ion Collisio…

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These proceedings present a brief overview of the main results on jet-modifications in heavy ion collisions at RHIC. In heavy ion collisions, jets are studied using single hadron spectra and di-hadron correlations with a high-\pt{} trigger…

Nuclear Experiment · Physics 2008-08-07 M. van Leeuwen

We study the possibility of $\rho-a_0$ mixing via N-N excitations in dense nuclear matter. This mixing is found to induce a peak in the dilepton spectra at an invariant mass equal to that of the $a_0$. We calculate the cross section for…

Nuclear Theory · Physics 2010-01-15 A. K. Dutt-Mazumder , C. Gale , O. Teodorescu

Modifications of jets in the existence of a hot and dense QCD medium have recently attracted a lot of attentions. In this talk, we demonstrate how jet-medium interactions change the behavior of jets by offering examples of inclusive jet and…

Nuclear Theory · Physics 2015-06-11 Ben-Wei Zhang , Yuncun He , Enke Wang

Realistic vacuum $\pi\pi$ interactions are employed to investigate thermal $\pi^+\pi^-$ emission spectra from the late stages of heavy-ion reactions at ultrarelativistic energies. Hadronic in-medium effects, including many-body $\rho$-meson…

High Energy Physics - Phenomenology · Physics 2009-11-10 R. Rapp

The production of soft dileptons in a thermal mesonic medium is discussed in the context of recent CERN experimental data reported by the CERES Collaboration. We do not intend to give a general and critical review, but instead concentrate…

High Energy Physics - Phenomenology · Physics 2016-09-06 R. Baier , M. Dirks , K. Redlich

The properties of strange hadrons, i.e. of kaons and hyperons, in the nuclear medium are discussed in connection with neutron star properties and relativistic heavy-ion collisions. Firstly, the relevant medium modifications of a kaon in a…

Nuclear Theory · Physics 2008-11-26 J. Schaffner-Bielich

Thermal dilepton radiation from the hot fireballs created in high-energy heavy-ion collisions provides unique insights into the properties of the produced medium. We first show how the predictions of hadronic many-body theory for a melting…

High Energy Physics - Phenomenology · Physics 2016-02-24 Ralf Rapp , Hendrik van Hees

The production of ground-state and excited bottomonia in ultrarelativistic heavy-ion collisions is investigated within a kinetic-rate equation approach including regeneration. We augment our previous calculations by an improved treatment of…

High Energy Physics - Phenomenology · Physics 2017-11-08 Xiaojian Du , Min He , Ralf Rapp

Electromagnetic radiation is emitted during the whole course of a heavy-ion collision and can escape from the collision zone without further interactions. This makes it an ideal tool to study the properties of hot and dense QCD matter. To…

Nuclear Theory · Physics 2018-07-04 Florian Seck , Tetyana Galatyuk , Ralf Rapp , Joachim Stroth

The spectra of lepton pairs from correlated open charm and bottom decays in ultrarelativistic heavy-ion collisions are calculated. Our approach includes energy loss effects of heavy quarks in deconfined matter which are determined by…

High Energy Physics - Phenomenology · Physics 2008-11-26 B. Kämpfer , O. P. Pavlenko , K. Gallmeister

An approach is suggested, invoking vitally the notion of constituent massive quarks (valons) which can survive and propagate rather than hadrons (except of pions) within the hot and dense matter formed below the chiral transition…

High Energy Physics - Phenomenology · Physics 2011-08-11 O. D. Chernavskaya , E. L. Feinberg , I. I. Royzen

We first review the calculations of low invariant mass dilepton production in relativistic heavy ion collisions, using effective hadronic Lagrangians. We go through some of the theoretical techniques used in this kinematical region and we…

Nuclear Theory · Physics 2008-02-03 Charles Gale

The description of excitations in hot and dense (hadronic) matter is discussed with emphasis on the use of correlation functions as a common framework for comparing different model (and QCD lattice) calculations with each other. Typical…

Nuclear Theory · Physics 2009-11-07 R. Rapp

We investigate the effect of chiral mixing on dilepton production by combining the in-medium spectral function in the chiral effective field theory with the state-of-the-art fluid dynamical simulations. We compare the spectral functions…

Nuclear Theory · Physics 2023-12-15 Azumi Sakai , Masayasu Harada , Chiho Nonaka , Chihiro Sasaki , Kenta Shigaki , Satoshi Yano

We construct the spectral functions for light vector mesons at finite density and temperature in the presence of a novel mixing between parity partners, induced by baryon density via the Wess-Zumino-Witten action. As the main origin of…

High Energy Physics - Phenomenology · Physics 2022-10-12 Chihiro Sasaki

This work presents calculations of thermal dilepton emission and polarization observables. It features a comprehensive framework which comprises virtual photon spectral functions complete at next-to-leading-order in the strong coupling and…

Nuclear Theory · Physics 2026-05-29 Han Gao , Xiang-Yu Wu , Charles Gale , Greg Jackson , Sangyong Jeon

We briefly discuss the status of the signatures of the QCD critical endpoint in heavy-ion collisions concentrating on the role played by the finiteness of the medium created in such experiments.

High Energy Physics - Phenomenology · Physics 2015-03-19 L. F. Palhares , E. S. Fraga

Starting from IP-Glasma initial conditions, we investigate the effects of bulk pressure on thermal dilepton production at the Relativistic Heavy Ion Collider (RHIC) and the Large Hadron Collider (LHC) energies. Though results of the thermal…

Dilepton production in heavy-ion collisions at collider energies - i.e., for the Relativistic Heavy-Ion Collider (RHIC) and the Large Hadron Collider (LHC) - is studied within an approach that uses coarse-grained transport simulations to…

Nuclear Theory · Physics 2016-08-22 Stephan Endres , Hendrik van Hees , Marcus Bleicher

We predict dilepton invariant-mass spectra for central 5.5 ATeV Pb-Pb collisions at LHC. Hadronic emission in the low-mass region is calculated using in-medium spectral functions of light vector mesons within hadronic many-body theory. In…

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