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Related papers: Vector Meson production in ep -> epV

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The exclusive diffractive production of vector mesons and real photons in ep collisions has been studied at HERA in a wide kinematic range. Here we present the most recent experimental results together with a Regge-type model. We deduce the…

High Energy Physics - Experiment · Physics 2009-09-29 S. Fazio

In this work the double vector meson production in two-photon interactions at high energies is investigated considering saturation physics. We extend the color dipole picture for this process and study the energy and virtuality dependence…

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

We discuss exclusive central diffractive production of scalar ($f_{0}(980)$, $f_{0}(1370)$, $f_{0}(1500)$), pseudoscalar ($\eta$, $\eta'(958)$), and vector ($\rho^{0}$) mesons in proton-proton collisions. The amplitudes are formulated in…

High Energy Physics - Phenomenology · Physics 2015-06-23 Piotr Lebiedowicz , Otto Nachtmann , Antoni Szczurek

Electromagnetic probes promise to be direct messengers of (spectral properties of) hot and dense matter formed in heavy-ion collisions, even at soft momentum transfers essential for characterizing possible phase transitions. We examine how…

Nuclear Theory · Physics 2008-11-26 Ralf Rapp

Exclusive diffractive production of real photons and vector mesons in ep collisions has been studied at HERA in a wide kinematic range. Here we present and discuss a Regge-type model of real photon production (Deeply Virtual Compton…

High Energy Physics - Phenomenology · Physics 2013-05-30 S. Fazio , R. Fiore , L. Jenkovszky , A. Lavorini

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

We present the results of exclusive electroproduction of vector mesons on the proton at CLAS. We discuss the interpretation of these cross sections in terms of t-channel Reggeon exchanges and in terms of Generalized Parton Distributions…

High Energy Physics - Experiment · Physics 2017-08-23 Ahmed Fradi

In this work we investigate the photoproduction of radially excited vector mesons off nuclei in heavy ion relativistic collisions. In particular, we analyze the exclusive photoproduction of psi(2S) off nuclei, evaluating the coherent and…

High Energy Physics - Phenomenology · Physics 2014-06-19 M. B. Gay Ducati , M. T. Griep , M. V. T. Machado

Recent results on diffractive dijet and vector boson production and exclusive dijet production from the Collider Detector at Fermilab (CDF) experiment are presented.

High Energy Physics - Experiment · Physics 2019-08-13 Kenichi Hatakeyama

Exclusive vector meson photoproduction, $pp\to ppV$ and $\bar pp\to\bar ppV$ occurs with significant rates at hadron colliders. The reaction can be used to study the gluon distribution of protons. Vector mesons may be produced with either…

High Energy Physics - Phenomenology · Physics 2007-05-23 Spencer Klein , Joakim Nystrand

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

Fluctuations play an important role in diffractive production of vector mesons. It was in particular recently suggested, based on the Impact-Parameter dependent Saturation model (IPSat), that geometrical fluctuations triggered by the motion…

High Energy Physics - Phenomenology · Physics 2019-06-19 Marco Claudio Traini , Jean-Paul Blaizot

QED radiative corrections to the cross section of diffractive electro- and photoproduction of vector mesons is calculated at HERA energies. Both semi-analytical and Monte Carlo approaches are discussed and compared.

High Energy Physics - Phenomenology · Physics 2007-05-23 I. Akushevich

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

We present a nonperturbative QCD calculation of diffractive vector meson production in virtual photon nucleon scattering at high energy. We use the nonperturbative model of the stochastic QCD vacuum which yields linear confinement and makes…

High Energy Physics - Phenomenology · Physics 2008-11-26 H. G. Dosch , T. Gousset , G. Kulzinger , H. J. Pirner

We present a status report on a study of vector meson leptoproduction for the HERA energy range on the basis of the generalized handbag approach. In contrast to the leading twist approach transverse degrees of freedom as well as Sudakov…

High Energy Physics - Phenomenology · Physics 2007-05-23 B. Postler

In this paper, after a brief summary of the properties of the Off-Forward Parton Distributions, we give some examples of what could be the experimental opportunities to access them at the current high-energy lepton facilities : JLab (E_e >=…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. Guidal , M. Vanderhaeghen

We calculate the cross section of diffractive charge-parity C=+1 neutral meson production in virtual photon proton collision at high energies. Due to the opposite C-parities of photon and meson M (M = eta_C, pi^0, a_2) this process probes…

High Energy Physics - Phenomenology · Physics 2011-09-13 R. Engel , D. Yu. Ivanov , R. Kirschner , L. Szymanowski

Measurements are presented of single and double-differential dijet cross sections in diffractive photoproduction based on a data sample with an integrated luminosity of 47 pb^-1. The events are of the type ep -> eXY, where the hadronic…

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

Detailed predictions for dilepton production from $p A$ reactions at SIS energies are presented within a semi-classical BUU transport model that includes the off-shell propagation of vector mesons nonperturbatively and calculates the width…

Nuclear Theory · Physics 2011-07-19 E. L. Bratkovskaya
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