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Related papers: Diffractive Vector Meson Production at Large Momen…

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The diffractive process $\gamma^*(Q^2) p\to V+X$ (where $V= \rho^0, \omega , \phi$ are the vector mesons, consisted of light quarks, $X$ represents the hadrons to that a proton dissociates) is studied. We consider the region of large…

High Energy Physics - Phenomenology · Physics 2016-09-01 D. Yu. Ivanov

Diffractive vector meson photoproduction accompanied by proton dissociation is studied for large momentum transfer. The process is described by the non-forward BFKL equation, for which an analytical solution is found for all conformal…

High Energy Physics - Phenomenology · Physics 2007-05-23 R. Enberg , L. Motyka , G. Poludniowski

Diffractive vector meson photoproduction accompanied by proton dissociation is studied for large momentum transfer. The process is described by the non-forward BFKL equation which we use to compare to data collected at the HERA collider.

High Energy Physics - Phenomenology · Physics 2009-11-10 G. G. Poludniowski , R. Enberg , J. R. Forshaw , L. Motyka

Diffractive heavy vector meson photoproduction accompanied by proton dissociation is studied for arbitrary momentum transfer. The process is described by the non-forward BFKL equation, for which a complete analytical solution is found,…

High Energy Physics - Phenomenology · Physics 2011-09-13 Rikard Enberg , Leszek Motyka , Gavin Poludniowski

Diffractive vector meson photoproduction accompanied by proton dissociation is studied for large momentum transfer. The process is described by the non-forward BFKL equation, for which a complete analytical solution is found. The scattering…

High Energy Physics - Phenomenology · Physics 2009-11-10 R. Enberg , J. R. Forshaw , L. Motyka , G. Poludniowski

The diffractive vector meson photoproduction with hadron dissociation in coherent hadron-hadron interactions at LHC energies is studied assuming that the color singlet $t$-channel exchange carries large momentum transfer. We estimate the…

High Energy Physics - Phenomenology · Physics 2015-05-18 V. P. Goncalves , W. K. Sauter

The diffractive photon production at large momentum transfer and large energies is a probe of the parton dynamics of the diffractive exchange. In this paper we revisit the leading order (LO) BFKL equation approach for this process and…

High Energy Physics - Phenomenology · Physics 2013-07-08 V. P. Goncalves , W. K. Sauter

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

The cross section for elastic vector meson production in photon-proton interactions at large $t$ is considered using the exact analytic solution of the BFKL equation in the azimuthally symmetric $n=0$ limit. We use a non-relativistic model…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. Bartels , J. R. Forshaw , H. Lotter , M. Wusthoff

We explore QCD calculations for the process gamma p -> V X where V is a vector meson, in the region s >> -t and -t >> Lambda_QCD^2. We compare our calculations for the J/psi, phi and rho mesons with data from the ZEUS Collaboration at HERA…

High Energy Physics - Phenomenology · Physics 2009-01-07 J. R. Forshaw , G. Poludniowski

I review work on diffractive vector meson production in photon-proton collisions at high energy and large momentum transfer, accompanied by proton dissociation and a large rapidity gap. This process provides a test of the high energy…

High Energy Physics - Phenomenology · Physics 2016-12-21 R. Enberg

In this Letter we study the double diffractive vector meson production in $e^+e^-$ collisions assuming the dominance of the BFKL pomeron exchange. We consider the non-forward solution of the BFKL equation at high energy and large momentum…

High Energy Physics - Phenomenology · Physics 2008-11-26 V. P. Goncalves , W. K. Sauter

The QCD dipole picture allows to build an unified theoretical description -based on BFKL dynamics- of the total and diffractive nucleon structure functions measured at HERA. We use a four parameter fit to describe the 1994 H1 proton…

High Energy Physics - Phenomenology · Physics 2007-05-23 C. Royon

The first measurement of diffractive scattering of quasi-real photons with large momentum transfer gamma p -> gamma Y, where Y is the proton dissociative system, is made using the H1 detector at HERA. The measurement is performed for…

High Energy Physics - Experiment · Physics 2012-08-27 H1 Collaboration

Diffractive photoproduction of rho, phi and J/psi was studied in the BFKL approach to hard colour singlet exchange. Differential cross sections, the energy dependence and spin density matrix elements were calculated and compared to data…

High Energy Physics - Phenomenology · Physics 2007-05-23 R. Enberg , J. Forshaw , L. Motyka , G. Poludniowski

Elastic and proton-dissociative photoproduction of $\rho^0$, $\phi$ and $J/\psi$ vector mesons ($\gamma p\to Vp$, $\gamma p\to VN$, respectively) have been measured in e^+p interactions at HERA up to -t=3 GeV$^2$, where t is the…

High Energy Physics - Experiment · Physics 2012-08-27 ZEUS Collaboration

The vector meson production in coherent hadron-hadron interactions at LHC energies is studied assuming that the color singlet $t$-channel exchange carries large momentum transfer. We consider the non-forward solution of the BFKL equation at…

High Energy Physics - Phenomenology · Physics 2014-11-20 V. P. Goncalves , W. K. Sauter

The double vector meson production in two photon collisions is addressed assuming that the color singlet $t$-channel exchange carries large momentum transfer. We consider the non-forward solution of the BFKL equation at high energy and…

High Energy Physics - Phenomenology · Physics 2009-01-07 V. P. Goncalves , W. K. Sauter

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

Following recent predictions that the geometric scaling properties of deep inelastic scattering data in inclusive gamma*-p collisions are expected also in exclusive diffractive processes, we investigate the diffractive production of vector…

High Energy Physics - Phenomenology · Physics 2008-11-26 C. Marquet , R. Peschanski , G. Soyez
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