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Related papers: Pre-equilibrium Photon and Dilepton Production

200 papers

We use QCD kinetic theory to compute photon production in the chemically equilibrating Quark-Gluon Plasma created in the early stages of high-energy heavy-ion collisions. We do a detailed comparison of pre-equilibrium photon rates to the…

High Energy Physics - Phenomenology · Physics 2024-04-04 Oscar Garcia-Montero , Aleksas Mazeliauskas , Philip Plaschke , Sören Schlichting

We use QCD kinetic theory to compute photon production in the chemically equilibrating Quark-Gluon Plasma created in the early stages of high-energy heavy-ion collisions. We show that the photon spectrum radiated from an attractor evolution…

High Energy Physics - Phenomenology · Physics 2023-12-19 Oscar Garcia-Montero , Aleksas Mazeliauskas , Philip Plaschke , Sören Schlichting

We use QCD kinetic theory to compute dilepton production coming from the pre-equilibrium phase of the Quark-Gluon Plasma created in high-energy heavy-ion collisions. We demonstrate that the dilepton spectrum exhibits a simple scaling in…

High Energy Physics - Phenomenology · Physics 2025-02-19 Oscar Garcia-Montero , Philip Plaschke , Sören Schlichting

Dileptons produced during heavy-ion collisions represent a unique probe of the QCD phase diagram, and convey information about the state of the strongly interacting system at the moment their preceding off-shell photon is created. In this…

Nuclear Theory · Physics 2024-05-08 Jessica Churchill , Lipei Du , Charles Gale , Greg Jackson , Sangyong Jeon

We study dilepton production from a thermally equilibrating quark-gluon plasma expected to be formed in ultra relativistic heavy-ion collisions. The pre-equilibrium dynamics of quark-gluon plasma is studied within the color flux-tube model…

High Energy Physics - Phenomenology · Physics 2009-10-31 Gouranga C Nayak

We study thermal dilepton production and anisotropic flow in Pb+Pb collisions at $\sqrt{s_{NN}} = 5.02 \, \mathrm{TeV}$ using next-to-leading-order (NLO) thermal QCD dilepton emission rates. A hybrid model (IP-Glasma+\kompost+MUSIC+UrQMD)…

Nuclear Theory · Physics 2025-05-01 Xiang-Yu Wu , Lipei Du , Charles Gale , Sangyong Jeon

In-medium interactions of a particle in a hot plasma are considered in the framework of thermal field theory. The formalism to calculate gauge invariant rates for photon and dilepton production from the medium is given. In the application…

High Energy Physics - Phenomenology · Physics 2009-10-28 E. Quack , P. A. Henning

A brief overview of the calculation of photon and dilepton production rates in a deconfined quark-gluon plasma is presented. We review leading order rates as well as recent NLO determinations and non-equilibrium corrections. Furthermore,…

High Energy Physics - Phenomenology · Physics 2014-12-09 Jacopo Ghiglieri

We study the production of photons and dileptons during the pre-equilibrium Glasma stage in heavy ion collisions and discuss the implications in light of the PHENIX data. We find that the measured distributions of such electromagnetic…

I present an overview of photon and dilepton production in heavy-ion collisions, highlighting recent progress and ongoing challenges, with focus on hard initial scatterings, pre-equilibrium electromagnetic emission, as well as thermal and…

Nuclear Theory · Physics 2023-07-20 Jean-François Paquet

We calculate leading-order medium photon and dilepton yields from a quark-gluon plasma using (3+1)-dimensional anisotropic hydrodynamics. In the case of dileptons, at leading-order it is sufficient to take into account non-equilibrium…

High Energy Physics - Phenomenology · Physics 2015-09-15 Lusaka Bhattacharya , Radoslaw Ryblewski , Michael Strickland

Photons produced in the pre-equilibrium/pre-hydro stage of the quark-gluon plasma produced in relativistic heavy-ion collisions were computed using parton distribution functions obtained from solutions of the Boltzmann equation. The effect…

High Energy Physics - Phenomenology · Physics 2021-02-03 Jessica Churchill , Li Yan , Sangyong Jeon , Charles Gale

We review various production mechanisms of photons and small mass dileptons at large transverse momentum in heavy ion collisions at the LHC. Their relevance as a signal for quark-gluon plasma formation is discussed.

High Energy Physics - Phenomenology · Physics 2007-05-23 Patrick Aurenche

We calculate electromagnetic production from highly excited hadronic matter created in heavy ion collisions. The rates include the usual lowest order processes in quark-gluon plasma plus the usual reactions in the hadronic phase, related…

High Energy Physics - Phenomenology · Physics 2008-11-26 C. M. Hung , E. V. Shuryak

We calculate leading-order dilepton yields from a quark-gluon plasma which has a time-dependent anisotropy in momentum space. Such anisotropies can arise during the earliest stages of quark-gluon plasma evolution due to the rapid…

High Energy Physics - Phenomenology · Physics 2008-11-26 Mauricio Martinez , Michael Strickland

This talk reviews the status of QCD calculations of photon and dilepton production rates in a Quark-Gluon plasma. Theses rates are known to order ${\cal O}(\alpha_s)$. Their calculations involve various resummations to account for well…

High Energy Physics - Phenomenology · Physics 2009-01-07 Jean-Paul Blaizot , Francois Gelis

We calculate leading-order medium photon yields from a quark-gluon plasma using (3+1)-dimensional anisotropic hydrodynamics. Non-equilibrium corrections to the photon rate are taken into account using a self-consistent modification of the…

High Energy Physics - Phenomenology · Physics 2016-03-09 Lusaka Bhattacharya , Radoslaw Ryblewski , Michael Strickland

We discuss, in this review, the existing models for the production of QGP in Relativistic Heavy Ion Collisions. We shall try to give a brief description of the models available for the pre-equilibrium production of QGP, ranging from soft…

Nuclear Theory · Physics 2007-05-23 Avijit K. Ganguly

The production of dileptons with an invariant mass in the range 1 GeV < M < 5 GeV provides unique insight into the approach to thermal equilibrium in ultrarelativistic nucleus-nucleus collisions. In this mass range, they are produced…

Nuclear Theory · Physics 2021-09-21 Maurice Coquet , Xiaojian Du , Jean-Yves Ollitrault , Soeren Schlichting , Michael Winn

A status report of utilizing soft electromagnetic radiation (aka thermal photons and dileptons) in the diagnosis of strongly interacting matter in ultrarelativistic heavy-ion collisions is given. After briefly elaborating on relations of…

Nuclear Theory · Physics 2011-10-20 Ralf Rapp
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