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Related papers: Inclusive $\mathrm{D}^0$ photoproduction in ultrap…

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We explore the possibility of using ultra-peripheral proton-lead collisions at the LHC to study inclusive vector-quarkonium photoproduction, that occurs when a quasi-real photon emitted by a fully stripped lead ion breaks a proton to…

High Energy Physics - Phenomenology · Physics 2024-09-04 Jean-Philippe Lansberg , Kate Lynch , Charlotte Van Hulse , Ronan McNulty

A measurement of differential cross sections for the production of a pair of isolated photons in proton-proton collisions at sqrt(s) = 7 TeV is presented. The data sample corresponds to an integrated luminosity of 5.0 inverse femtobarns…

High Energy Physics - Experiment · Physics 2014-11-19 CMS Collaboration

The exclusive photoproduction of upsilon states $\Upsilon(1S)$ and its radially excited states $\Upsilon(2S,3S)$ is investigated in the context of ultra-peripheral collisions at the LHC energies. Predictions are presented for their…

High Energy Physics - Phenomenology · Physics 2016-11-23 M. B. Gay Ducati , F. Kopp , M. V. T. Machado , S. Martins

We estimate the differential and total cross sections for both the photoproduction of vector D*-meson and its yield in deep inelastic scattering at the HERA collider in the framework of model motivated by perturbative calculations in QCD.…

High Energy Physics - Phenomenology · Physics 2016-09-06 A. V. Berezhnoy , V. V. Kiselev , A. K. Likhoded

We propose a new approach for the Higgs boson production by Double Pomeron Exchange (DPE) in the Deeply Virtual Compton Scattering, where a color dipole interacts diffractively with the proton by DPE. Applying it to Peripheral Collisions,…

High Energy Physics - Phenomenology · Physics 2009-10-15 M. B. Gay Ducati , G. G. Silveira

Within the Color Glass Condensate framework, we demonstrate that exclusive vector meson production at high energy is sensitive to the geometric deformation of the target nucleus and subnucleon scale fluctuations. Deformation of the nucleus…

Nuclear Theory · Physics 2023-12-13 Heikki Mäntysaari , Farid Salazar , Björn Schenke , Chun Shen , Wenbin Zhao

We investigate inclusive prompt photon and semi-inclusive prompt photon-hadron production in high energy proton-nucleus collisions using the Color Glass Condensate (CGC) formalism which incorporates non-linear dynamics of gluon saturation…

High Energy Physics - Phenomenology · Physics 2012-08-17 Jamal Jalilian-Marian , Amir H. Rezaeian

Using next-to-leading order (NLO) perturbative QCD, we calculate the diffractive contribution to inclusive dijet photoproduction in Pb-Pb ultraperipheral collisions (UPCs) at the LHC and find that it does not exceed $5-10$% in small-$x_A$…

High Energy Physics - Phenomenology · Physics 2022-01-05 V. Guzey , M. Klasen

We calculate isolated photon production at forward rapidities in proton-nucleus collisions in the Color Glass Condensate framework. Our calculation uses dipole cross sections solved from the running coupling Balitsky-Kovchegov equation with…

High Energy Physics - Phenomenology · Physics 2018-03-28 B. Ducloué , T. Lappi , H. Mäntysaari

An analysis of prompt photon production in high energy nuclear collisions at the LHC energy regime is performed within the parton saturation picture taking into account the updated phenomenological color dipole models. The results are…

High Energy Physics - Phenomenology · Physics 2020-12-14 G. Sampaio dos Santos , G. Gil da Silveira , M. V. T. Machado

In this manuscript we analyze the exclusive photoproduction of the $\chi_{c}\gamma$ pairs. We focus on the small-$x$ kinematics and evaluate the cross-sections in the Color Glass Condensate framework. We found that in the leading order in…

High Energy Physics - Phenomenology · Physics 2025-10-17 M. Siddikov , I. Zemlyakov , M. Roa

Photonuclear reactions are induced by the strong electromagnetic field generated by ultrarelativistic heavy-ion collisions. These processes have been extensively studied in ultraperipheral collisions, where the impact parameter is larger…

Nuclear Experiment · Physics 2024-02-21 Afnan Shatat

The cross-section for the production of an electroweak gauge boson ($G = W^{\pm}, Z^0, \gamma$) at forward rapidities in $pp$ collisions is derived within the color - dipole $S$ - matrix framework. We present the full expressions for the…

High Energy Physics - Phenomenology · Physics 2024-05-17 Yan B. Bandeira , Victor P. Goncalves , Wolfgang Schäfer

We compute the differential cross-section for inclusive prompt photon$+$quark production in deeply inelastic scattering of electrons off nuclei at small $x$ ($e+A$ DIS) in the framework of the Color Glass Condensate effective field theory.…

High Energy Physics - Phenomenology · Physics 2021-01-18 Isobel Kolbé , Kaushik Roy , Farid Salazar , Bjoern Schenke , Raju Venugopalan

We calculate the production of a photon and two jets at forward rapidity in proton-nucleus collisions, within the hybrid dilute-dense framework in the Color Glass Condensate (CGC) formalism. After obtaining the cross section for both the…

High Energy Physics - Phenomenology · Physics 2019-09-04 Tolga Altinoluk , Renaud Boussarie , Cyrille Marquet , Pieter Taels

Inclusive production of $J/\psi$ mesons, especially at forward rapidities, is an important probe of small-x gluons in protons and nuclei. In this paper we re-evaluate the production cross sections in the Color Glass Condensate framework,…

High Energy Physics - Phenomenology · Physics 2015-06-10 B. Ducloué , T. Lappi , H. Mäntysaari

In this letter we complement previous studies on exclusive vector meson photoproduction in hadronic collisions presenting a comprehensive analysis of the $t$ - spectrum measured in exclusive $\rho$ and $J/\Psi$ photoproduction in $pA$…

High Energy Physics - Phenomenology · Physics 2019-03-13 V. P. Goncalves , F. S. Navarra , D. Spiering

We have measured the inclusive $D^{*\pm}$ production cross section in a two-photon collision at the TRISTAN $e^+e^-$ collider. The mean $\sqrt{s}$ of the collider was 57.16 GeV and the integrated luminosity was 150 $pb^{-1}$. The…

High Energy Physics - Experiment · Physics 2010-11-01 R. Enomoto

The differential cross section for the inclusive production of isolated prompt photons has been measured as a function of the photon transverse energy E_T-gamma in pp collisions at sqrt(s)=7 TeV using data recorded by the CMS detector at…

High Energy Physics - Experiment · Physics 2015-03-17 CMS Collaboration

The first observation of coherent $\phi$(1020) meson photoproduction off heavy nuclei is presented using ultraperipheral lead-lead collisions at a center-of-mass energy per nucleon pair of 5.36 TeV. The data were collected by the CMS…

Nuclear Experiment · Physics 2026-01-14 CMS Collaboration
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