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Related papers: Colour dipoles and rho, phi electroproduction

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We develop the color dipole phenomenology of diffractive photo- and electroproduction $\gamma^{*}\,N\rightarrow V(V')\,N$ of light vector mesons ($V(1S) = \phi^0, \omega^0, \rho^0$) and their radial excitations ($V'(2S) = \phi', \omega',…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. Nemchik , N. N. Nikolaev , E. Predazzi , B. G. Zakharov

In this work we analyse the theoretical uncertainties on the predictions for the photoproduction of light vector mesons in coherent pp, pA and AA collisions at the LHC energies using the color dipole approach. In particular, we present our…

High Energy Physics - Phenomenology · Physics 2015-03-05 G. Sampaio dos Santos , M. V. T. Machado

We compute the rate for diffractive $\phi$ electro-production using the Color Glass Condensate dipole model. The model parameters are obtained from fits to the most recent combined HERA data on inclusive deep inelastic scattering. As for…

High Energy Physics - Phenomenology · Physics 2017-03-07 Mohammad Ahmady , Ruben Sandapen , Neetika Sharma

We predict the cross-section for diffractive $\phi$ electroproduction within the dipole model, using a holographic meson wavefunction for the $\phi$. For the dipole cross-section, we use the Color Glass Condensate dipole model whose…

High Energy Physics - Phenomenology · Physics 2016-07-05 Mohammad Ahmady , Ruben Sandapen , Neetika Sharma

Diffractive rho meson production has been identified as one of the important processes where saturation can be probed at a future Electron-Ion Collider (EIC). A source of uncertainty in making predictions for this process lies within the…

High Energy Physics - Phenomenology · Physics 2010-12-23 J. R. Forshaw , R. Sandapen

We extract the light-cone wavefunctions of the rho meson using the HERA data on diffractive rho photoproduction. We find good agreement with predictions for the distribution amplitude based on QCD sum rules and from the lattice. We also…

High Energy Physics - Phenomenology · Physics 2010-11-15 J. R. Forshaw , R. Sandapen

The H1 and ZEUS collaborations at HERA report new data on the diffractive production of vector mesons with a many-fold increase of luminosity compared to previous measurements. The new data include photoproduction and electroproduction of…

High Energy Physics - Experiment · Physics 2007-05-23 B. Mellado

We confront a very wide body of HERA diffractive electroproduction data with the predictions of the colour dipole model. We focus upon three different parameterisations of the dipole scattering cross-section and find good agreement for all…

High Energy Physics - Phenomenology · Physics 2009-11-11 J. R. Forshaw , R. Sandapen , G. Shaw

We present the color dipole phenomenology of diffractive photo- and electroproduction $\gamma^{*} N\to V(V') N$ of vector mesons ($V(1S) = \phi^0, \omega^0, \rho^0, J/\Psi, \Upsilon$) and their radial excitations ($V'(2S) = \phi', \omega',…

High Energy Physics - Phenomenology · Physics 2016-08-15 J. Nemchik , N. N. Nikolaev , E. Predazzi , B. G. Zakharov

We study exclusive diffractive production of vector mesons and photon using the color dipole model with leading Fock state light front wave functions derived from Dyson Schwinger and Bethe Salpeter equations. New results for the $\phi$…

High Energy Physics - Phenomenology · Physics 2025-08-05 Chao Shi , Liming Lu , Jian-feng Li , Wenbao Jia

We demonstrate another success of the AdS/QCD correspondence by showing that an AdS/QCD holographic light-front wavefunction for the $\rho$ meson generates predictions for the cross-sections of diffractive $\rho$ production that are in…

High Energy Physics - Phenomenology · Physics 2013-05-17 Jeff Forshaw , Ruben Sandapen

We use an AdS/QCD holographic wavefunction to generate predictions for the rate of diffractive {\rho}-meson electroproduction that are in reasonable agreement with data collected at the HERA electron-proton collider.

High Energy Physics - Phenomenology · Physics 2012-07-19 J. R. Forshaw , R. Sandapen

We use an anti-de Sitter/Quantum Chromodynamics (AdS/QCD) holographic light-front wavefunction for the $\rho$ and $\phi$ mesons, in conjunction with the Color Glass Condensate (CGC) dipole cross-section whose parameters are fitted to the…

High Energy Physics - Phenomenology · Physics 2016-10-19 Mohammad Ahmady , Ruben Sandapen , Neetika Sharma

We report on the results of our recent research published in [1] that shows that AdS/QCD generates predictions for the rate of diffractive \rho-meson electroproduction that are in agreement with data collected at the HERA electron-proton…

High Energy Physics - Phenomenology · Physics 2015-06-12 J. R. Forshaw , R. Sandapen

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

Experimental results from HERA on diffractive vector meson production and their theoretical interpretation within microscopic QCD are reviewed with an emphasis on the BFKL color dipole and kt-factorization approaches.

High Energy Physics - Phenomenology · Physics 2014-11-18 I. P. Ivanov , N. N. Nikolaev , A. A. Savin

The HERA collider experiments H1 and ZEUS have established extensive measurement programs for diffractive vector-meson production processes during the first six years of their operation. The results provide stringent phenomenological tests…

High Energy Physics - Experiment · Physics 2007-05-23 J. A. Crittenden

We show that AdS/QCD generates predictions for the rate of diffractive rho meson electroproduction that are in agreement with data collected at the HERA electron-proton collider.

High Energy Physics - Phenomenology · Physics 2013-05-30 J. R. Forshaw , R. Sandapen

We confront saturation-based results for diffractive $\psi(2s)$ and $\rho$ production at HERA and $J/\psi$ photoproduction with all available data including recent ones from HERA, ALICE and LHCb, finding a good agreement. We show that the…

High Energy Physics - Phenomenology · Physics 2014-07-25 Néstor Armesto , Amir H. Rezaeian

The diffractive photoproduction of vector mesons is usually described considering the two-gluon (Pomeron) exchange, non-diagonal parton distributions and the contribution of the real part to the cross section. In this letter we analyze the…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. B. Gay Ducati , V. P. Goncalves , C. B. Mariotto
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