Calculations of di-meson photoproduction amplitudes at leading order show cross sections up to 100 times larger than single-meson cases, enabling better GPD extraction.
Elastic and Proton-Dissociative Photoproduction of J/psi Mesons at HERA
6 Pith papers cite this work. Polarity classification is still indexing.
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abstract
Cross sections for elastic and proton-dissociative photoproduction of J/psi mesons are measured with the H1 detector in positron-proton collisions at HERA. The data were collected at $ep$ centre-of-mass energies sqrt{s} approx 318 GeV and sqrt{s} approx 225 GeV, corresponding to integrated luminosities of L = 130 pb^{-1} and L = 10.8 pb^{-1}, respectively. The cross sections are measured as a function of the photon-proton centre-of-mass energy in the range 25< Wgp < 110 GeV. Differential cross sections $\mathrm{d}\sigma / \mathrm{d}t$, where $t$ is the squared four-momentum transfer at the proton vertex, are measured in the range $|t| < 1.2 \, \gevsq$ for the elastic process and $|t| < 8 \, \gevsq$ for proton dissociation. The results are compared to other measurements. The $\Wgp$ and $t$-dependences are parametrised using phenomenological fits.
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representative citing papers
Derives a DPS pocket formula and effective cross section expression for dissociative J/ψ + dimuon production in Ap ultraperipheral collisions, with predictions at LHC and FCC energies.
ATLAS reports differential cross sections for coherent exclusive J/ψ → μ⁺μ⁻ in Pb+Pb ultraperipheral collisions at √s_NN=5.36 TeV, agreeing with models but in tension with prior Run 2 data at central rapidity.
Model predictions for coherent and incoherent rho and J/psi photoproduction cross sections in O-O and Ne-Ne ultraperipheral collisions, comparing Woods-Saxon and cluster-based nuclear shapes.
The paper provides a detailed physics and user manual for the PYTHIA 8.3 Monte Carlo event generator used in high-energy physics.
citing papers explorer
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Exclusive photoproduction of a di-meson pair with large invariant mass
Calculations of di-meson photoproduction amplitudes at leading order show cross sections up to 100 times larger than single-meson cases, enabling better GPD extraction.
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Dissociative associated $J/\psi$ and dimuon production in Ap ultraperipheral collisions via double parton scattering
Derives a DPS pocket formula and effective cross section expression for dissociative J/ψ + dimuon production in Ap ultraperipheral collisions, with predictions at LHC and FCC energies.
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Measurement of coherent exclusive $J/\psi\to\mu^+\mu^-$ production in ultraperipheral Pb+Pb collisions at $\sqrt{s_{\textrm{NN}}}=5.36$ TeV with the ATLAS detector
ATLAS reports differential cross sections for coherent exclusive J/ψ → μ⁺μ⁻ in Pb+Pb ultraperipheral collisions at √s_NN=5.36 TeV, agreeing with models but in tension with prior Run 2 data at central rapidity.
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Diffractive vector meson photo-production in oxygen-oxygen and neon-neon ultraperipheral collisions at energies available at the CERN Large Hadron Collider
Model predictions for coherent and incoherent rho and J/psi photoproduction cross sections in O-O and Ne-Ne ultraperipheral collisions, comparing Woods-Saxon and cluster-based nuclear shapes.
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A comprehensive guide to the physics and usage of PYTHIA 8.3
The paper provides a detailed physics and user manual for the PYTHIA 8.3 Monte Carlo event generator used in high-energy physics.
- The OPE-Regge Transition in $J/\psi$ Photoproduction