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We calculate the $cos~2 \phi$ asymmetry in $J/\psi$ production in electron-proton collision for the kinematics of the planned electron-ion collider (EIC). This directly probes the Weisz\"acker-Williams (WW) type linearly polarized gluon…

High Energy Physics - Phenomenology · Physics 2019-03-27 Raj Kishore , Asmita Mukherjee

This work explores the discovery potential of the first-generation weak isosinglet Vector-Like Leptons (VLLs), denoted by $E^\pm$, via pair production at future electron-positron colliders. Our analysis adopts a comprehensive framework that…

High Energy Physics - Phenomenology · Physics 2026-02-03 Yao-Bei Liu , Stefano Moretti

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 upcoming Electron-Ion Collider (EIC) will address several outstanding puzzles in modern nuclear physics. Topics such as the partonic structure of nucleons and nuclei, the origin of their mass and spin, among others, can be understood…

The exclusive production of vector mesons in deep inelastic scattering is a hard scattering process with the well controlled size of quark configurations which dominate the production amplitude. This allows an unambiguous prediction of…

High Energy Physics - Phenomenology · Physics 2012-08-27 B. Z. Kopeliovich , J. Nemchick , N. N. Nikolaev , and B. G. Zakharov

We discuss the salient features of exclusive vector meson production in heavy ion collisions at LHC energies. Special attention is paid to the space-time picture of the process. We account for both coherent and incoherent contributions. The…

High Energy Physics - Phenomenology · Physics 2019-09-04 V. A. Khoze , A. D. Martin , M. G. Ryskin

The exclusive diffractive production of vector mesons and real photons in ep collisions has been studied at HERA in a wide kinematic range. The most recent experimental results are presented.

High Energy Physics - Experiment · Physics 2017-08-23 S. Fazio

Exclusive production of light vector mesons in deep inelastic scattering is calculated at next-to-leading order in the dipole picture in the limit of high photon virtuality. The resulting expression is free of any divergences and suitable…

High Energy Physics - Phenomenology · Physics 2022-09-20 Heikki Mäntysaari , Jani Penttala

In this paper we argue that exclusive photoproduction of $D$-meson pairs can be used as a complementary tool for studies of the generalized parton distributions of the target. We analyzed the photoproduction of the pseudoscalar-vector pairs…

High Energy Physics - Phenomenology · Physics 2023-12-22 Marat Siddikov

Exclusive vector meson photoproduction associated with a leading baryon ($B = n, \Delta^+, \Delta^0$) in $pp$ and $pA$ collisions at RHIC and LHC energies is investigated using the color dipole formalism and taking into account nonlinear…

High Energy Physics - Phenomenology · Physics 2018-04-11 F. Carvalho , V. P. Goncalves , F. S. Navarra , D. Spiering

We calculate the nuclear cross section for vector meson exclusive photoproduction within the QCD color dipole picture and in the Regge approach. For the former approach, we have considered the phenomenological saturation model, whereas for…

High Energy Physics - Phenomenology · Physics 2009-11-10 V. P. Goncalves , M. V. T. Machado

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

The energy dependence of the cross section for exclusive electroproduction of vector mesons is discussed as a way to learn about the interplay of soft and hard interactions. The question of determining the scale of these processes is…

High Energy Physics - Experiment · Physics 2009-07-14 Aharon Levy

The latest results on exclusive vector meson electroproduction from HERA are reviewed. In particular, the new high-statistics measurements of the rho^0 electroproduction are presented and compared to several models.

High Energy Physics - Experiment · Physics 2007-11-06 Aharon Levy

High-statistics total cross sections for the vector meson photoproduction at the threshold: $\gamma p\to\omega p$ (from A2 at MAMI, ELPH, and CBELSA/TAPS), $\gamma p\to \phi p$ (from CLAS and LEPS), and $\gamma p\to J/\psi p$ (from GlueX)…

High Energy Physics - Phenomenology · Physics 2025-08-12 Igor Strakovsky

In this work we investigate the exclusive production of a pair of light neutral mesons in $e^+e^-$ annihilation, where the final state bears an even $C$-parity. The production processes can be initiated via the photon fragmentation or the…

High Energy Physics - Phenomenology · Physics 2024-03-08 Junliang Lu , Cai-Ping Jia , Yu Jia , Xiaonu Xiong

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

In this paper we study double vector meson production in $\gamma \gamma$ interactions at high energies and, using the color dipole picture, estimate the main observables which can be probed at the International Linear Collider (ILC). The…

High Energy Physics - Phenomenology · Physics 2015-09-30 F. Carvalho , V. P. Goncalves , B. D. Moreira , F. S. Navarra

The process of a light neutral vector meson electroproduction is studied in the framework of QCD factorization in which the amplitude factorizes in a convolution of the nonperturbative meson distribution amplitude and the generalized parton…

High Energy Physics - Phenomenology · Physics 2015-05-27 D. Yu. Ivanov , L. Szymanowski , G. Krasnikov

We calculate the amplitude for exclusive electroweak production of a pseudoscalar $D_s$ or a vector $D^*_s$ charmed strange meson on an unpolarized nucleon, through a charged current, in leading order in $\alpha_s$. We work in the framework…

High Energy Physics - Phenomenology · Physics 2021-11-17 B. Pire , L. Szymanowski , J. Wagner