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相关论文: Exclusive vector meson production in heavy ion col…

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The exclusive photoproduction of the heavy vector mesons $\psi$'s and $Y$'s is investigated in peripheral lead-lead collisions for the energies available at the LHC, $\sqrt{s}=2.76$ TeV and $\sqrt{s}=5.02$ TeV. In order to evaluate the…

高能物理 - 唯象学 · 物理学 2018-06-27 M. B. Gay Ducati , S. Martins

We calculate exclusive production of a longitudinally polarized heavy vector meson at next-to-leading order in the dipole picture. The large quark mass allows us to separately include both the first QCD correction proportional to the…

高能物理 - 唯象学 · 物理学 2022-06-01 Heikki Mäntysaari , Jani Penttala

We first describe the predictions concerning jet production in the very forward region, especially in the FOCAL kinematic region of the ALICE collaboration at CERN as a test of saturation. We also compare vector meson production cross…

高能物理 - 唯象学 · 物理学 2025-03-28 C. Royon , J. Penttala

We investigate the theoretical uncertainty on the predictions for the photoproduction of $\rho$ and $J/\Psi$ states in nucleus-nucleus collisions at Run 2 LHC energies using the Color Dipole formalism. The results for rapidity distributions…

高能物理 - 唯象学 · 物理学 2018-06-13 V. P. Goncalves , M. V. T. Machado , B. D. Moreira , F. S. Navarra , G. Sampaio dos Santos

There exist several proposals to use Weizs\"{a}cker-Williams photons generated by ultrarelativistic heavy ions to produce exotic particles in $\gamma\gamma$ fusion reactions. To estimate the background conditions for such reactions we…

The first Pb-Pb collisions at the LHC are little more than a year away. This paper discusses some of the exciting measurements which the experiments will be able to perform in the very first run, even with modest luminosity, and gives a…

核实验 · 物理学 2009-09-29 P. Giubellino

The exclusive processes in electron-ion ($eA$) interactions are an important tool to investigate the QCD dynamics at high energies as they are in general driven by the gluon content of the target, which is strongly subject to parton…

高能物理 - 唯象学 · 物理学 2011-03-07 E. R. Cazaroto , F. Carvalho , V. P. Goncalves , M. S. Kugeratski , F. S. Navarra

In November 2010 the ALICE experiment at CERN has collected the first Pb--Pb collisions at $\sqrt{s_{NN}}$ = 2.76 TeV produced by the LHC. A first characterization of the hot and dense state of matter produced in this new energy domain…

核实验 · 物理学 2019-08-13 Domenico Elia

Peripheral collisions of relativistic heavy ions uniquely probe many aspects of QED. Examples include $e^+e^-$ pair production and nuclear excitation in strong fields. After discussing these reactions, I will draw parallels between…

加速器物理 · 物理学 2007-05-23 Spencer R. Klein

By using a Regge-pole model for vector meson production (VMP), that successfully describes the HERA data, we analyze the connection of VMP cross sections in photon-induced reactions at HERA with those in ultra-peripheral collisions at the…

高能物理 - 唯象学 · 物理学 2015-06-08 R. Fiore , L. Jenkovszky , V. Libov , M. V. T. Machado , A. Salii

We review the subject of central exclusive particle production at high energy hadron colliders. In particular we consider reactions of the type A + B -> A + X + B, where X is a fully specified system of particles that is well separated in…

高能物理 - 唯象学 · 物理学 2010-10-27 M. G. Albrow , T. D. Coughlin , J. R. Forshaw

In the present work, $k_T$-factorization formalism is applied to compute the exclusive dilepton production by timelike Compton scattering (TCS) in $eA$, $pA$ and $AA$ collisions. The nuclear effects are investigated considering heavy and…

高能物理 - 唯象学 · 物理学 2021-03-17 G. M. Peccini , L. S. Moriggi , M. V. T. Machado

An extended study of exclusive vector meson production in e,p interactions has been performed by the H1 and the ZEUS collaborations at the HERA collider. Recent measurements are reported and discussed within the framework of the dipole…

高能物理 - 实验 · 物理学 2007-05-23 A. Kreisel

In this letter we analyze the associated production of a vector meson with the bound - free $e^+e^-$ process in ultraperipheral $PbPb$ collisions through the double scattering mechanism for the energy of the Large Hadron Collider (LHC).…

高能物理 - 唯象学 · 物理学 2023-08-21 Celsina N. Azevedo , Victor P. Goncalves , Bruno D. Moreira

The dominant mechanism for the central exclusive production of vector meson in $p p$ and $p \bar p$ collisions is the $\gamma$ $I P$ fusion. As a building block for the pp reaction, the amplitude for photoproduction $ \gamma p \to V p $ is…

高能物理 - 唯象学 · 物理学 2015-05-30 Anna Cisek , Wolfgang Schäfer , Antoni Szczurek

We calculate total and differential cross sections for $J/\psi$ photoproduction in ultrarelativistic lead-lead collisions at the LHC energy $\sqrt{s_{NN}}=2.76$ TeV. In the present approach we use a simple model based on vector dominance…

核理论 · 物理学 2016-05-04 Mariola Kłusek-Gawenda , Antoni Szczurek

Employing the recently developed EPOS4HQ event generator, we study the production of different heavy-flavor mesons in relativistic heavy-ion collisions at RHIC and LHC energies. The transverse momentum spectra, yield ratio, nuclear…

高能物理 - 唯象学 · 物理学 2024-02-28 Jiaxing Zhao , Joerg Aichelin , Pol Bernard Gossiaux , Vitalii Ozvenchuk , Klaus Werner

The vector meson production in coherent hadron-hadron interactions at LHC energies is studied assuming that the color singlet $t$-channel exchange carries large momentum transfer. We consider the non-forward solution of the BFKL equation at…

高能物理 - 唯象学 · 物理学 2014-11-20 V. P. Goncalves , W. K. Sauter

Photoproduction of $\rho^0$ mesons in ultra-peripheral Pb+Pb collisions has been studied by the ALICE Collaboration at the CERN LHC. The strong photon flux associated with relativistic charged nuclei leads to a very large cross section for…

核实验 · 物理学 2019-08-21 Kyrre Skjerdal

The ion-ion center of mass energies at the LHC will exceed that at RHIC by nearly a factor of 30, providing exciting opportunities for addressing unique physics issues in a completely new energy domain. Some highlights of this new physics…

高能物理 - 唯象学 · 物理学 2009-11-10 R. Vogt