Exclusive photo- and electroproduction of excited light vector mesons via holographic model

Abstract

In this paper, we study total and differential observables of electro- and photoproduction of light $\rho$, $\omega$ and $\varphi$ mesons as functions of the center-of-mass energy of the $\gamma p$ collision and momentum transfer squared $|t|$. The corresponding vector mesons wave functions have been computed in the framework of relativistic AdS/QCD holographic approach. A satisfactory description of all available data on ground-state $\rho (1S)$, $\omega (1S)$ and $\varphi (1S)$ mesons production cross sections has been achieved in the color dipole picture. Finally, the key observables of excited $\rho (2S)$, $\omega (2S)$ and $\varphi (2S)$ states production in ${\gamma }^{(\ast )}p$ collisions have been presented here using a common wave function formalism. This study reveals a large theoretical uncertainty coming from the modeling of the partial dipole amplitude in the nonperturbative kinematical domain. Hence, the latter could benefit from future measurements of photoproduction of the excited states.

References in corpus (57)

• Heavy quarkonium: progress, puzzles, and opportunities
• New parton distribution functions from a global analysis of quantum chromodynamics
• Linear Confinement and AdS/QCD
• Combined Measurement and QCD Analysis of the Inclusive ep Scattering Cross Sections at HERA
• An Impact Parameter Dipole Saturation Model
• Light-Front Holographic QCD and Emerging Confinement
• Exclusive diffractive processes at HERA within the dipole picture
• Hadronic Spectra and Light-Front Wavefunctions in Holographic QCD
• Light-Front Dynamics and AdS/QCD Correspondence: The Pion Form Factor in the Space- and Time-Like Regions
• Analysis of combined HERA data in the Impact-Parameter dependent Saturation model
• Off-diagonal distributions fixed by diagonal partons at small $x$ and $\xi$
• Impact-parameter dependent Color Glass Condensate dipole model and new combined HERA data
• Nonperturbative Effects in Gluon Radiation and Photoproduction of Quark Pairs
• Optimization of R(e+e-) and "Freezing" of the QCD Couplant at Low Energies
• Scanning the BFKL pomeron in elastic production of vector mesons at HERA
• Colour dipoles and rho, phi electroproduction
• Revealing proton shape fluctuations with incoherent diffraction at high energy
• An AdS/QCD holographic wavefunction for the rho meson and diffractive rho meson electroproduction
• Diffractive Electroproduction of rho and phi Mesons at HERA
• Diffractive Vector Meson Production at HERA: from Soft to Hard QCD
• Exclusive rho^0 production in deep inelastic scattering at HERA
• Meson wave function from holographic models
• Photoproduction of Charmonia and Total Charmonium-Proton Cross Sections
• Probing subnucleon scale fluctuations in ultraperipheral heavy ion collisions
• Decisive test of color transparency in exclusive electroproduction of vector mesons
• Exclusive electroproduction of $\varphi$ mesons at HERA
• Color Transparency versus Quantum Coherence in Electroproduction of Vector Mesons off Nuclei
• On the Behavior of the Effective QCD Coupling alpha_tau(s) at Low Scales
• Elastic and Proton-Dissociative rho0 Photoproduction at HERA
• Review of proton and nuclear shape fluctuations at high energy
• Elastic Photoproduction of ${\rho }^0$ Mesons at HERA
• Gluon Tomography from Deeply Virtual Compton Scattering at Small-x
• Hadrons in AdS / QCD correspondence
• Color dipole predictions for the exclusive vector meson photoproduction in $pp/pPb/PbPb$ collisions at Run 2 LHC energies
• Measurement of exclusive omega electroproduction at HERA
• Exclusive production of $\varphi$ meson in the ${\gamma }^{\ast }p\to \varphi p$ reaction at large photon virtualities within $k_T$-factorization approach
• Measurement of exclusive ${\rho }^0$(770) photoproduction in ultraperipheral pPb collisions at $\sqrt{s_{\mathrm{NN}}}=$ 5.02 TeV
• Measurement of Elastic omega Photoproduction at HERA
• Infrared behavior of the running coupling constant and bound states in QCD
• Theoretical uncertainties in exclusive electroproduction S-wave heavy quarkonia
• The AdS/QCD Correspondence: Still Undelivered
• Diffractive $\rho$ and $\varphi$ production at HERA using an AdS/QCD holographic light-front meson wavefunction
• On the Delta I = 1/2 Rule in Holographic QCD
• Light vector meson photoproduction in hadron-hadron and nucleus-nucleus collisions at the energies available at the CERN Large Hadron Collider
• Extracting the rho meson wavefunction from HERA data
• Nuclear exclusive vector meson photoproduction
• Extracting the Distribution Amplitudes of the rho meson from the Color Glass Condensate
• Exclusive photoproduction of $\varphi$ meson in $\gamma p\to \varphi p$ and $pp\to p\varphi p$ reactions
• Light-front holographic $\rho$-meson distributions in the momentum space
• Exclusive photoproduction of excited quarkonia in ultraperipheral collisions
• Anomalous t-dependence in diffractive electroproduction of 2S radially excited light vector mesons at HERA
• A phenomenological analysis of the nonperturbative QCD contributions for the photon wave function
• Momentum transfer squared dependence of exclusive quarkonia photoproduction in UPCs
• Diffractive Vector Photoproduction using Holographic QCD
• Asymptotic gluon density within the color dipole picture in the light of HERA high-precision data
• Vector meson photoproduction in UPCs with FoCal
• Light-Front Holography and Novel Effects in QCD

Cited by in corpus (2)

• Testing the double-logarithm asymptotic gluon density in ultraperipheral heavy ion collisions at the Large Hadron Collider
• Coherent photoproduction of light vector mesons off nuclear targets in the dipole picture