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The study of exclusive processes in photon - induced interactions allow us to probe the generalized parton distributions (GPDs), which provide information about the 3 dimensional description of the quark and gluon content of hadrons. In…

High Energy Physics - Phenomenology · Physics 2023-03-01 Ya-Ping Xie , V. P. Goncalves

The exclusive $J/\Psi$ and $\Upsilon$ photoproduction in fixed - target collisions at the LHC and $ep(A)$ collisions at the Electron ion collider in China (EicC) is investigated considering different models for the treatment of the vector…

High Energy Physics - Phenomenology · Physics 2021-09-13 Ya-Ping Xie , Victor P. Goncalves

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

Photoproduction of heavy quarks in ultraperipheral collisions can help elucidate important features of the physics of heavy quarks in Quantum Chromodynamics (QCD). Due to the dependence on parton distributions it can also potentially offer…

Nuclear Theory · Physics 2012-10-12 Adeola Adeluyi , Trang Nguyen

In this work the $k_{\perp}$-factorization formalism is applied to compute the exclusive $Z^0$ boson photoproduction in $ep$ and $eA$ collisions. The study is also extended to $pp$ and $AA$ processes. The nuclear effects are investigated…

High Energy Physics - Phenomenology · Physics 2022-07-20 G. M. Peccini , L. S. Moriggi , M. V. T. Machado

We study the exclusive production of J/psi or Upsilon in pp and bar pp collisions, where the meson emerges from the pomeron--odderon and the pomeron--photon fusion. We estimate the cross sections for these processes for the kinematical…

High Energy Physics - Phenomenology · Physics 2007-09-04 Lech Szymanowski

Vector meson production in ultra-peripheral pA and AA collisions at the CERN Large Hadron Collider (LHC) are very sensitive to Parton Distribution Functions (PDF) as well as to their leading-order, next-to-leading-order, and medium…

High Energy Physics - Phenomenology · Physics 2016-03-08 J. Thomas , C. A. Bertulani , N. Brady , D. B. Clark , E. Godat , F. Olness

We calculate the production of large-pTcharmonium and narrow resonance state (exotic charmonium) in proton-proton, proton-nucleus, and nucleus-nucleus collisions with the semi-coherent two-photon interactions at Relativistic Heavy Ion…

High Energy Physics - Phenomenology · Physics 2017-03-21 Gong-Ming Yu , Yue-Chao Yu , Yun-De Li , Jian-Song Wang

The exclusive $\rho$, $\omega$ and $J/\Psi$ photoproduction in fixed - target collisions at the LHC is investigated. We estimate, for the first time, the rapidity and transverse momentum distributions of the vector meson photoproduction in…

High Energy Physics - Phenomenology · Physics 2018-09-26 V. P. Goncalves , M. M. Jaime

We propose a new experimental method to probe the photon parton distribution function inside the proton (photon PDF) at LHC energies. The method is based on the measurement of dilepton production from the $\gamma p\rightarrow\ell^+\ell^-+X$…

High Energy Physics - Phenomenology · Physics 2019-06-19 Mateusz Dyndal , Alexander Glazov , Marta Luszczak , Renat Sadykov

In this work is presented several results for cross sections of exotic particles production in electron-positron collisions in future linear electron-positron colliders. It is shown that the central production of exotic leptons, dilatons,…

High Energy Physics - Phenomenology · Physics 2022-12-12 Werner K. Sauter

We explore the prospects of extending the LHC from a hadron-hadron to a photon-hadron collider and performing studies of inclusive quarkonium photoproduction. We perform an extrapolation from HERA data to predict the yields of photoproduced…

High Energy Physics - Phenomenology · Physics 2025-01-22 Kate Lynch

The production of a prompt photon in association with a $Z$ boson is studied in proton-proton collisions at a centre-of-mass energy $\sqrt{s} =$ 13 TeV. The analysis uses a data sample with an integrated luminosity of 139 fb$^{-1}$…

High Energy Physics - Experiment · Physics 2020-03-19 ATLAS Collaboration

We report on our recent investigations in photonuclear production of heavy quarks and vector meson in ultraperipheral heavy ion collisions. In particular, our theoretical predictions are compared with the recent experimental measurements on…

High Energy Physics - Phenomenology · Physics 2008-11-26 V. P. Goncalves , M. V. T. Machado

In this paper we analyze the associated $\phi$ and $J/\Psi$ photoproduction in ultraperipheral $PbPb$ collisions through the double scattering mechanism for the energies of the Large Hadron Collider (LHC) and Future Circular Collider (FCC).…

High Energy Physics - Phenomenology · Physics 2023-02-14 Celsina N. Azevedo , Victor P. Goncalves , Bruno D. Moreira

Vector meson production in ultra-peripheral collisions of heavy ions at LHC is calculated in VDM and color dipole approaches.

High Energy Physics - Phenomenology · Physics 2007-06-12 Yu. P. Ivanov , B. Z. Kopeliovich , I. Schmidt

We investigate the potentials of future high energy lepton-proton colliders to detect supersymmetric particles in the charged current type $lp\to\tilde\nu_l\tilde qX$, $l=e,\mu$, reactions. We also study their decays by using the mass…

High Energy Physics - Phenomenology · Physics 2009-11-07 A. T. Alan , S. Sultansoy

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…

High Energy Physics - Phenomenology · Physics 2016-06-30 Mariola Klusek-Gawenda , Piotr Lebiedowicz , Antoni Szczurek

We calculate cross sections for diphoton production in (semi)exclusive $PbPb$ collisions, relevant for the LHC. The calculation is based on equivalent photon approximation in the impact parameter space. The cross sections for elementary…

Nuclear Theory · Physics 2016-05-04 Mariola Klusek-Gawenda , Piotr Lebiedowicz , Antoni Szczurek

At hadron colliders, top quarks are dominantly produced in pairs ($t\bar{t}$), a production mechanism that was discovered more than twenty years ago at the Tevatron in Fermilab. Although the \ttbar process has already entered the domain of…

High Energy Physics - Experiment · Physics 2019-08-13 Juan R. González Fernández
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