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In this paper, we present the results from phenomenological analysis of Z boson pair hard diffractive production at the LHC. The calculation is based on the Regge factorization approach. Diffractive parton density functions extracted by the…

High Energy Physics - Phenomenology · Physics 2017-04-05 Hao Sun

By using the Reggeometric Pomeron model for vector meson production which successfully describes the high energy lepton-nucleon data, we analyse the light meson production in ultra-peripheral heavy ion collisions at the Large Hadron…

High Energy Physics - Phenomenology · Physics 2023-04-05 László Jenkovszky , Érison S. Rocha , Magno V. T. Machado

In this paper we study the double $J/\psi$ production in central diffractive processes considering the Resolved Pomeron model. Based on the nonrelativistic QCD (NRQCD) factorization formalism for the quarkonium production mechanism we…

High Energy Physics - Phenomenology · Physics 2015-05-12 C. Brenner Mariotto , V. P. Goncalves

Direct photon production at large transverse momentum in the coherent diffractive processes at hadron colliders is calculated in the two-gluon exchange model. We find that the amplitude for the production process is related to the…

High Energy Physics - Phenomenology · Physics 2009-10-31 Feng Yuan , Kuang-Ta Chao

The elastic production of top quark pairs in $pp$ collisions at low and high luminosity regimes is investigated in detail. We extend the study performed in Phys. Rev. D102, 074014 (2020) which has demonstrated that the sum of two…

High Energy Physics - Phenomenology · Physics 2022-06-15 Daniel E. Martins , Marek Tasevsky , Victor P. Goncalves

In this paper we study the inclusive and diffractive double quarkonium production. Based on the nonrelativistic QCD (NRQCD) factorization formalism for the quarkonium production mechanism we estimate the rapidity and transverse momentum…

High Energy Physics - Phenomenology · Physics 2018-06-12 C. Brenner Mariotto , V. P. Goncalves , R. Palota da Silva

In high energy electron-ion colliders, a new way to probe nucleon structure becomes available through diffractive reactions, where the incident particle produces a very energetic almost forward particle. QCD describes these reactions as due…

High Energy Physics - Phenomenology · Physics 2021-06-02 W. Cosyn , B. Pire

We discuss photon-photon fusion mechanisms of dilepton production in proton-proton collisions with rapidity gap in the main detector and one forward proton in the forward proton detectors. This is relevant for the LHC measurements by…

High Energy Physics - Phenomenology · Physics 2021-07-29 Antoni Szczurek , Barbara Linek , Marta Luszczak

We explore an alternative process for the diffractive Higgs boson production in peripheral pp collisions arising from Double Pomeron Exchange in photon-proton interaction. We introduce the impact factor formalism in order to enable the…

High Energy Physics - Phenomenology · Physics 2008-12-30 M. B. Gay Ducati , G. G. Silveira

We evaluate the large momentum transfer $J/\psi$ photoproduction with rapidity gaps in ultraperipheral proton-ion collisions at the LHC which provides an effective method of probing dynamics of large t elastic hard QCD Pomeron interactions.…

High Energy Physics - Phenomenology · Physics 2008-12-18 Leonid Frankfurt , Mark Strikman , Michael Zhalov

Photoproduction of vector mesons are computed in dipole model in proton-proton ultraperipheral collisions(UPCs) at the CERN Large Hadron Collider (LHC). The dipole model framework is employed in the calculations of vector mesons production…

High Energy Physics - Phenomenology · Physics 2018-05-30 Ya-Ping Xie , Xurong Chen

The ultraperipheral heavy ion collisions (UPC's) are an important alternative to study the QCD dynamics until the next generation of $e^+e^-/ ep / eA $ colliders become reality. Due to the coherent action of all the protons in the nucleus,…

High Energy Physics - Phenomenology · Physics 2009-11-11 V. P. Goncalves , M. V. T. Machado

We estimate the cross sections for the production of resonances, pion pairs and a central cluster of hadrons in peripheral heavy-ion collisions through two-photon and double-pomeron exchange, at energies that will be available at RHIC and…

Nuclear Theory · Physics 2009-11-06 C. G. Roldao , A. A. Natale

We consider hard diffractive events in proton-proton collisions at the LHC, in which both protons escape the collision intact. In such double Pomeron exchange processes, we propose to measure dijets and photon-jet final states, and we show…

High Energy Physics - Phenomenology · Physics 2015-06-16 C. Marquet , C. Royon , M. Saimpert , D. Werder

In this contribution we report on the investigation of central diffractive production of mesons $f_0(980)$ and $f_2(1270)$ at the energy of Large Hadron Collider in proton-proton collisions. The cross sections and rapidity distributions for…

High Energy Physics - Phenomenology · Physics 2013-05-09 M. V. T. Machado

We study hard diffractive scattering in hadron-hadron collisions including, on top of the standard Pomeron-initiated processes, contributions due to the exchange of Reggeons. Using a simple model to describe the parton content of the…

High Energy Physics - Phenomenology · Physics 2017-01-10 C. Marquet , D. E. Martins , A. V. Pereira , M. Rangel , C. Royon

Exclusive photoproduction of dileptons, gamma p ->l+ l- p, will be measured in ultraperipheral collisions at LHC. The mechanism where the lepton pair comes from a heavy timelike photon radiated from a quark interferes with the pure QED…

High Energy Physics - Phenomenology · Physics 2008-12-18 B. Pire , L. Szymanowski , J. Wagner

We consider diffractive processes which can be measured at the LHC. Analysis of diffractive events will give unique information about the high energy asymptotics of hadron scattering. In semihard diffraction one may study the partonic…

High Energy Physics - Phenomenology · Physics 2017-08-23 M. G. Ryskin , A. D. Martin , V. A. Khoze

We investigate the rapidity and transverse momentum distributions of the prompt photon production at the CERN LHC energies considering the current perturbative QCD approaches for this scattering process. Namely, we compare the predictions…

High Energy Physics - Phenomenology · Physics 2009-07-22 M. V. T. Machado , C. Brenner Mariotto

We study Higgs boson production via Double Pomeron Exchange allowing for the presence of Pomeron remnants. We estimate the number of events produced at the LHC collider, as a function of the Higgs boson mass and its decay channel. The model…

High Energy Physics - Phenomenology · Physics 2018-04-16 M. Boonekamp , A. De Roeck , R. Peschanski , C. Royon