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The production of axionlike particles (ALP) in ultraperipheral $PbPb$ collisions (UPHIC) is investigated considering the energies of the next run of the Large Hadron Collider (LHC) and of the future High Energy -- LHC (HE -- LHC) and Future…

High Energy Physics - Phenomenology · Physics 2020-06-24 R. O. Coelho , V. P. Goncalves , D. E. Martins , M. S. Rangel

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

The production of high invariant mass opposite sign lepton pairs in proton-proton collisions at the LHC is dominated by the Drell-Yan process. In addition to this photon or Z exchange mediated mechanism, gamma-gamma collisions, where…

High Energy Physics - Phenomenology · Physics 2016-06-03 Dimitri Bourilkov

Ultra-peripheral collisions (UPC) of heavy-ions involve long range electromagnetic interactions at impact parameters twice larger than the nuclear radius, where no nucleon-nucleon collisions occur. The first measurement of photoproduction…

Nuclear Experiment · Physics 2019-08-13 Mate Csanad

The Lorentz-contracted electromagnetic fields of the ions in ultra-relativistic heavy-ion collisions generate intense quasi-real photon fluxes. These lead to photon-induced interactions that are observed in ultra-peripheral collisions…

Nuclear Experiment · Physics 2025-04-11 ATLAS Collaboration

The production of charged kaon pairs in ultraperipheral heavy-ion collisions can proceed via photoproduction (gamma-Pomeron interaction) or via photon-photon fusion. An important contribution to this process arises from the decays of…

High Energy Physics - Phenomenology · Physics 2025-11-03 Nikhil Krishna , Mariola Klusek-Gawenda , Antoni Szczurek

Photon-photon reactions and the production of J/$\psi$ meson through photonuclear reactions have been extensively studied in ultra-peripheral heavy-ion collisions, in which the impact parameter is larger than twice the nuclear radius. In…

Nuclear Experiment · Physics 2024-06-19 Nicolas Bizé

We discuss diphoton semi(exclusive) production in ultraperipheral $PbPb$ collisions at energy of $\sqrt{s_{NN}}=$ 5.5 TeV (LHC). The nuclear calculations are based on equivalent photon approximation in the impact parameter space. The cross…

Nuclear Theory · Physics 2017-04-05 Antoni Szczurek , Mariola Klusek-Gawenda , Piotr Lebiedowicz , Wolfgang Schäfer

We argue that study of the cross section of coherent photo(electro) production of vector mesons off nuclear targets provides an effective method to probe the leading twist hard QCD regimes of color transparency and perturbative color…

High Energy Physics - Phenomenology · Physics 2014-11-17 L. Frankfurt , M. Strikman , M. Zhalov

We present a detailed study of vector meson photoproduction in ultraperipheral heavy ion collisions (UPCs). Using the dipole model, we develop a framework for the joint impact parameter and transverse momentum dependent cross sections. We…

High Energy Physics - Phenomenology · Physics 2020-10-28 Hongxi Xing , Cheng Zhang , Jian Zhou , Ya-Jin Zhou

A comprehensive analysis of the photoproduction of $J/\Psi$ and $\Upsilon$ mesons in peripheral $PbPb$ collisions at the center - of - mass energies of the Large Hadron Collider (LHC) is performed, considering distinct assumptions for the…

Nuclear Experiment · Physics 2025-08-05 Pedro E. A. da Costa , André V. Giannini , Victor P. Goncalves , Bruno D. Moreira

Dielectrons probe a wide range of phenomena in heavy-ion collisions. These include light- and heavy-flavour meson production, thermal radiation and coherent photo-production. The latter process is distinguished by dielectron production at…

Nuclear Experiment · Physics 2019-11-13 Sebastian Lehner

Systematic investigations of dilepton production are performed at the SIS accelerator of GSI with the HADES spectrometer. The goal of this program is a detailed understanding of di-electron emission from hadronic systems at moderate…

The photoproduction of large $p_{T}$ dileptons, photons and light vector mesons in p-p, p-Pb and Pb-Pb collisions at LHC energies is studied, where the fragmentation processes and the ultra-incoherent photon channel are included. An exact…

High Energy Physics - Phenomenology · Physics 2021-10-25 Zhi-Lei Ma , Zhun Lu , Jia-Qing Zhu , Li Zhang

We consider semi-inclusive diphoton+jet and inclusive diphoton production in high-energy proton-nucleus collisions, treating the target nucleus as a Color-Glass-Condensate and the projectile proton in the parton model. We obtain the prompt…

High Energy Physics - Phenomenology · Physics 2014-07-23 Alex Kovner , Amir H. Rezaeian

Understanding large-scale interacting quantum matter requires dealing with the huge number of quanta that are produced by scattering even a few particles against a complex quantum object. Prominent examples are found from high energy cosmic…

Mesoscale and Nanoscale Physics · Physics 2018-10-31 Nicolas Gheeraert , Xin H. H. Zhang , Théo Sépulcre , Soumya Bera , Nicolas Roch , Harold U. Baranger , Serge Florens

The production of axionlike particles (ALPs) with small masses in ultraperipheral $Pb - p$ and $Pb - Pb$ collisions at the LHC is investigated. The cross section and kinematical distributions associated to the diphoton final state produced…

High Energy Physics - Phenomenology · Physics 2021-07-07 V. P. Goncalves , D. E. Martins , M. S. Rangel

Using the Gribov-Glauber model for photon-nucleus scattering and a generalization of the vector meson dominance model for the hadronic structure of the photon, we make predictions for the cross section of incoherent $\rho$ photoproduction…

High Energy Physics - Phenomenology · Physics 2020-08-05 V. Guzey , E. Kryshen , M. Zhalov

We study the double heavy baryon $\Xi_{QQ'}$ and tetraquark $T_{QQ}$ production through photon-photon and photon-gluon fusion via ultraperipheral collisions at the LHC and FCC within the framework of nonrelativistic QCD factorization…

High Energy Physics - Phenomenology · Physics 2024-04-03 Hao Yang , Jun Jiang , Bingwei Long

The LEPS and CLAS data of the incoherent photoproduction of $\phi$ meson from deuteron at low energies are studied with a model for $\phi$ meson photoproduction from nucleon consisting of Pomeron, $\pi$, and $\eta$ meson exchanges in the…

Nuclear Theory · Physics 2014-07-14 Alvin Kiswandhi , YuBing Dong , Shin Nan Yang