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Related papers: The Wave Function of 2S Radially Excited Vector Me…

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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

Within the color dipole gBFKL dynamics applied to the diffraction slope we predict an anomalous t dependence of the differential cross section as a function of energy and Q^2 for production of radially excited V'(2S) light vector mesons in…

High Energy Physics - Phenomenology · Physics 2009-01-07 J. Nemchik

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 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

We develop the color dipole gBFKL phenomenology of a diffraction cone for photo- and electroproduction $\gamma^{*}N \to VN$ of heavy vector mesons (charmonium & bottonium) at HERA and in fixed target experiments. We predict a substantial…

High Energy Physics - Phenomenology · Physics 2009-10-30 J. Nemchik , N. N. Nikolaev , E. Predazzi , B. G. Zakharov , V. R. Zoller

We present the first evaluation of the color dipole diffraction slope from the data on diffractive photo- and electroproduction of vector mesons. The energy and dipole size dependence of the found dipole diffraction slope are consistent…

High Energy Physics - Phenomenology · Physics 2014-11-17 J. Nemchik

The color dipole gBFKL phenomenology of a diffraction cone for photo- and electroproduction $\gamma^{*}N \to VN$ of heavy vector mesons (charmonium & bottonium) at HERA and in fixed target experiments is presented. A substantial shrinkage…

High Energy Physics - Phenomenology · Physics 2007-05-23 V. R. Zoller

In color dipole gBFKL dynamics, we describe the emerging gBFKL phenomenology of a subasymptotic energy dependence of the diffraction slope and discuss possibilities of testing the gBFKL predictions in exclusive photo- and electroproduction…

High Energy Physics - Phenomenology · Physics 2009-10-28 N. N. Nikolaev , B. G. Zakharov , V. R. Zoller

We present the first evaluation of color dipole cross section from experimental data on diffractive photo- and electroproduction of vector mesons. The dipole-size and energy dependence of the found dipole cross section is consistent with…

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

We present a detailed comparison of a variety of predictions for diffractive light vector meson production with the data collected at the HERA collider. All our calculations are performed within a dipole model framework and make use of…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. R. Forshaw , R. Sandapen , G. Shaw

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

Elastic production of vector mesons $\gamma^{*} N\to V N$ is the pomeron-exchange dominated diffractive reaction with much potential of probing the BFKL pomeron. The BFKL pomeron can conveniently be described in terms of the dipole cross…

High Energy Physics - Phenomenology · Physics 2009-10-28 J. Nemchik , N. N. Nikolaev , B. G. Zakharov

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

In this work, we revise the conventional description of J/Psi(1S), Y(1S), Psi'(2S) and Y'(2S) elastic photo- and electroproduction off a nucleon target within the color dipole picture and carefully study various sources of theoretical…

High Energy Physics - Phenomenology · Physics 2019-06-26 Jan Cepila , Jan Nemchik , Michal Krelina , Roman Pasechnik

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

In the framework of the Model of the Stochastic Vacuum elastic hadron-hadron scattering, photo- and electroproduction of vectormesons and also F_2(Q^2) can be well described at center of mass energy approximately 20 GeV. The scattering…

High Energy Physics - Phenomenology · Physics 2011-09-13 Michael Rueter

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

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

Results on diffractive photoproduction of psi(2S) mesons are presented using data collected between 1996 and 2000 with the H1 detector at the HERA ep collider. The data correspond to an integrated luminosity of 77 pb^(-1). The energy…

High Energy Physics - Experiment · Physics 2008-11-26 H1 Collaboration , C. Adloff

We extract the S-matrix element for dipole-proton scattering using the data on diffractive electroproduction of vector mesons at HERA. By considering the full t dependence of this process we are able to reliably unfold the profile of the…

High Energy Physics - Phenomenology · Physics 2009-11-07 S. Munier , A. M. Stasto , A. H. Mueller
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