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Related papers: Diffractive $\rho$ and $\phi$ production at HERA u…

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Recent results from the ep (electron-proton) collider HERA are presented. Jet production and diffraction type reactions allow tests of predictions of Quantum Chromodynamics (QCD). Jet measurements are used to improve the combined H1-ZEUS…

High Energy Physics - Experiment · Physics 2011-07-12 Igor Rubinskiy

We present a perturbative QCD calculation of diffractive $D_s$ production in charged current deep inelastic scattering. In the two-gluon exchange model, we analyze the diffractive process $\nu N \to \mu^- N \Ds$, which may provide useful…

High Energy Physics - Phenomenology · Physics 2009-11-07 Zhongzhi Song , Kuang-Ta Chao

Selected recent results from the H1 and ZEUS experiments are reviewed, illustrating some of the many facets of ``meson physics'' at the HERA ep collider. The results cover exclusive elastic and proton-dissociative diffractive vector meson…

High Energy Physics - Phenomenology · Physics 2017-08-23 J. Olsson

We calculate cross sections and transverse momentum distributions for the incoherent diffractive production of vector mesons $J/\psi$ and $\Upsilon$ on heavy nuclei. In distinction to coherent diffraction, the nucleus is allowed to break…

High Energy Physics - Phenomenology · Physics 2018-02-14 Agnieszka Łuszczak , Wolfgang Schäfer

A very wide body of HERA diffractive electroproduction data is confronted with the predictions of the colour dipole model. In doing so we focus upon three different parameterisations of the dipole scattering cross-section, whose parameters…

High Energy Physics - Phenomenology · Physics 2008-11-26 Graham Shaw

The inclusive jet, dijet and trijet production cross-sections in deep-inelastic scattering (DIS) at $\sqrt{s}$=320GeV have been measured at the electron-proton collider HERA by the H1 and ZEUS collaborations using data taken in 1998-2000.…

High Energy Physics - Experiment · Physics 2010-01-15 A. Specka , the H1 Collaboration

We outline $QCD$ predictions for the diffractive electroproduction of heavy flavor vector mesons and compare them with available data.

High Energy Physics - Phenomenology · Physics 2008-11-26 Leonid Frankfurt , Aharon Levy

We present a short review of anomalous properties in diffractive photo- and electroproduction of radially excited V'(2S) vector mesons. Using the color dipole gBFKL phenomenology we analyze anomalous Q^{2} and energy dependence of the…

High Energy Physics - Phenomenology · Physics 2009-10-31 J. Nemchik

We summarise recent progress in the computation of helicity amplitudes for diffractive vector meson production at large momentum transfer and their comparison to data collected at the HERA collider.

High Energy Physics - Phenomenology · Physics 2008-11-26 Rikard Enberg , Jeff Forshaw , Leszek Motyka , Gavin Poludniowski

In this letter we study the diffractive photoproduction of heavy quarks in hadronic (pp/pA/AA) interactions for Tevatron and LHC energies. The integrated cross section and rapidity distribution for the process h_1 h_2 --> h_1 h_2 QQBAR (h_i…

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

The production of $D^{\pm}$ and $D_{s}^{\pm}$ charmed mesons is measured using the $D^{\pm}/D_{s}^{\pm} \to \phi(\mu\mu)\pi^{\pm}$ decay channel with 137 fb$^{-1}$ of $\sqrt{s} = 13$ TeV proton-proton collision data collected with the ATLAS…

High Energy Physics - Experiment · Physics 2025-07-17 ATLAS Collaboration

We present a model for the polarized cross-sections of the hard diffractive leptoproduction of rho meson in the high energy limit. Our model is based on the light-cone collinear factorization of the virtual photon to rho meson impact factor…

High Energy Physics - Phenomenology · Physics 2014-03-03 A. Besse , L. Szymanowski , S. Wallon

Recent results on diffraction at HERA, from the H1 and ZEUS Collaborations, and at Tevatron, from the CDF and D0 Collaborations, are reviewed. The measurement of the diffractive structure function at HERA is presented, and the pomeron…

High Energy Physics - Phenomenology · Physics 2007-05-23 Barbara Clerbaux

We calculate the amplitudes of J^{PC}=3^{--} meson production in diffractive DIS within the k_t-factorization approach, with a particular attention paid to the rho_3(1690) meson. We find that at all Q^2 the rho_3(1690) production cross…

High Energy Physics - Phenomenology · Physics 2009-01-07 F. Caporale , I. P. Ivanov

An overview of recent results from the H1 and ZEUS collaborations on vector meson production in electron-proton collisions at HERA is given. For diffractive vector meson production the energy dependence is discussed. The dependences on…

High Energy Physics - Experiment · Physics 2007-05-23 S. Mohrdieck

We quantify perturbative and non-perturbative QCD effects in the exclusive $J/\psi$-photoproduction cross section, and in the shrinkage of the differential cross section with respect to momentum transfer, $t$. We predict that in the high…

High Energy Physics - Phenomenology · Physics 2010-02-03 L. Frankfurt , M. McDermott , M. Strikman

We present an estimate of the cross-section for the exclusive production of a rho_L^0-meson pair in e^+e^- scattering, which will be studied in the future high energy International Linear Collider. For this aim, we complete calculations of…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Segond , L. Szymanowski , S. Wallon

A first theoretical study for neutrino-induced diffractive productions of heavy pseudoscalar-mesons, \eta_c and \eta_b, off a nucleon is performed based on factorization formalism in QCD. We evaluate the forward diffractive production cross…

High Energy Physics - Phenomenology · Physics 2009-11-07 A. Hayashigaki , K. Suzuki , K. Tanaka

The double diffractive Higgs production at central rapidity is formulated in terms of the fusion of two AdS gravitons/Pomerons first introduced by Brower, Polchinski, Strassler and Tan in elastic scattering. Here we propose a simple…

High Energy Physics - Phenomenology · Physics 2015-06-04 Richard C. Brower , Marko Djurić , Chung-I Tan

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