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Exclusive photoproduction of vector meson at next-to-leading order from Color Glass Condensate
High Energy Physics - Phenomenology · Submitted 28 Feb 2020
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim The outcomes indicate that the higher-order corrections have a significant contribution to the vector meson productions and the description of the experimental data is dramatically improved once the higher order corrections are included.
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The abstract, sentence by sentence
The exclusive photoproduction of vector mesons ($J/\psi$ and $\phi$) are investigated by taking into account the next-to-leading order corrections in the framework of Color Glass Condensate. We confront the next-to-leading order modified dipole amplitude with the HERA data finding good agreement. Our studies show that the $\chi^2/d.o.f$ from leading order, running coupling and collinearly improved next-to-leading order dipole amplitudes are 2.159, 1.097, and 0.932 for the elastic cross section, and 2.056, 1.449, and 1.357 for differential cross section. The outcomes indicate that the higher-order corrections have a significant contribution to the vector meson productions and the description of the experimental data is dramatically improved once the higher order corrections are included. We extend the next-to-leading order exclusive vector meson production model to LHC energies by using the same parameters obtained from HERA. We find that our model can also give a rather good description of the $J/\psi$ and $\phi$ data in proton-proton collision at 7 TeV and 13 TeV at LHCb experiments.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | The exclusive photoproduction of vector mesons ($J/\psi$ and $\phi$) are investigated by taking into account the next-to-leading order corrections in the framework of Color Glass Condensate. | contribution 0.95 | 0.85 | 0.05 | asserted 0.97 |
| s1 | We confront the next-to-leading order modified dipole amplitude with the HERA data finding good agreement. | result 0.91 | 0.94 | 0.15 | asserted 1.00 |
| s2 | Our studies show that the $\chi^2/d.o.f$ from leading order, running coupling and collinearly improved next-to-leading order dipole amplitudes are 2.159, 1.097, and 0.932 for the elastic cross section, and 2.056, 1.449, and 1.357 for differential cross section. | result 1.00 | 0.94 | 0.14 | asserted 1.00 |
| s3 | The outcomes indicate that the higher-order corrections have a significant contribution to the vector meson productions and the description of the experimental data is dramatically improved once the higher order corrections are included. | interpretation 0.95 | 0.90 | 0.77 | asserted 0.68 |
| s4 | We extend the next-to-leading order exclusive vector meson production model to LHC energies by using the same parameters obtained from HERA. | contribution 0.64 | 0.93 | 0.05 | asserted 0.99 |
| s5 | We find that our model can also give a rather good description of the $J/\psi$ and $\phi$ data in proton-proton collision at 7 TeV and 13 TeV at LHCb experiments. | result 1.00 | 0.95 | 0.20 | asserted 0.97 |
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Original abstract
The exclusive photoproduction of vector mesons ($J/\psi$ and $\phi$) are investigated by taking into account the next-to-leading order corrections in the framework of Color Glass Condensate. We confront the next-to-leading order modified dipole amplitude with the HERA data finding good agreement. Our studies show that the $\chi^2/d.o.f$ from leading order, running coupling and collinearly improved next-to-leading order dipole amplitudes are 2.159, 1.097, and 0.932 for the elastic cross section, and 2.056, 1.449, and 1.357 for differential cross section. The outcomes indicate that the higher-order corrections have a significant contribution to the vector meson productions and the description of the experimental data is dramatically improved once the higher order corrections are included. We extend the next-to-leading order exclusive vector meson production model to LHC energies by using the same parameters obtained from HERA. We find that our model can also give a rather good description of the $J/\psi$ and $\phi$ data in proton-proton collision at 7 TeV and 13 TeV at LHCb experiments.
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5 arXiv papers cite this in 5 sentences
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The dash-dotted lines (NS) donate the results from the numerical solution of the running coupling BK equation in previous study (similarly hereinafter) [ref] .
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Cites it as background 2 papers
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Because of this, such processes have been extensively studied from both theoretical [ref] and experimental [ref] sides during the past few decades.
The $\cos 2\phi$ azimuthal asymmetry in $\rho^0$ meson production in ultraperipheral heavy ion collisions · Introduction · 0.98
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Along these research lines, tremendous theoretical efforts [ref] haven been made to understand the underlying physics of this process in the past three decades.
Exploring gluon tomography with polarization dependent diffractive J/$\psi$ production · Introduction · 0.99
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