Electroproduction of a large invariant mass photon pair

Abstract

We study the exclusive electroproduction of a photon pair in the kinematical regime where the diphoton invariant mass is large and where the nucleon flies almost in its original direction. We discuss the relative importance of the QCD process where the two photons originate from a quark line compared to the single (double) Bethe-Heitler processes where one (two) photons originate from the lepton line. This process turns out to be a promising tool to study generalized parton distributions in the nucleon, both at the medium energy of JLab and at a high energy electron ion collider.

References in corpus (32)

• Gauge-Invariant Decomposition of Nucleon Spin and Its Spin-Off
• Wave Functions, Evolution Equations and Evolution Kernels from Light-Ray Operators of QCD
• Generalized Parton Distributions
• Nonforward Parton Distributions
• Unraveling hadron structure with generalized parton distributions
• Impact Parameter Dependent Parton Distributions and Off-Forward Parton Distributions for $\zeta \to 0$
• A Large Hadron Electron Collider at CERN: Report on the Physics and Design Concepts for Machine and Detector
• Generalized parton distributions in impact parameter space
• Proof of Factorization for Deeply Virtual Compton Scattering in QCD
• The role of the quark and gluon GPDs in hard vector-meson electroproduction
• Improving the Weizsäcker-Williams Approximation in Electron-Proton Collisions
• Femto-Photography of Protons to Nuclei with Deeply Virtual Compton Scattering
• Timelike Compton scattering: exclusive photoproduction of lepton pairs
• On the gauge invariance of the DVCS amplitude
• Twist-three effects in two-photon processes
• From hard exclusive meson electroproduction to deeply virtual Compton scattering
• Double deeply virtual Compton scattering off the nucleon
• NLO corrections to timelike, spacelike and double deeply virtual Compton scattering
• On timelike and spacelike deeply virtual Compton scattering at next to leading order
• Exclusive electroproduction of lepton pairs as a probe of nucleon structure
• On timelike and spacelike hard exclusive reactions
• Deeply Virtual Compton Scattering to the twist-four accuracy: Impact of finite-$t$ and target mass corrections
• Unbiased determination of DVCS Compton Form Factors
• Finite-t and target mass corrections to deeply virtual Compton scattering
• Border and skewness functions from a leading order fit to DVCS data
• Hard photoproduction of a diphoton with a large invariant mass
• Kinematic power corrections in off-forward hard reactions
• Data-driven study of timelike Compton scattering
• Nucleon and nuclear structure through dilepton production
• Diffractive deeply virtual Compton scattering
• DDVCS on nucleons and nuclei
• On timelike Compton scattering at medium and high energies

Cited by in corpus (21)

• Precision Studies of QCD in the Low Energy Domain of the EIC
• Exclusive production of a pair of high transverse momentum photons in pion-nucleon collisions for extracting generalized parton distributions
• Phenomenology of double deeply virtual Compton scattering in the era of new experiments
• Collinear factorization of diphoton photoproduction at next to leading order
• Extraction of the Parton Momentum-Fraction Dependence of Generalized Parton Distributions from Exclusive Photoproduction
• An introductory lecture on Generalised Parton Distributions
• Accessing chiral-even quark generalised parton distributions in the exclusive photoproduction of a $\gamma {\pi }^{\pm }$ pair with large invariant mass in both fixed-target and collider experiments
• Towards Unpolarized GPDs from Pseudo-Distributions
• Strong Interaction Physics at the Luminosity Frontier with 22 GeV Electrons at Jefferson Lab
• Exclusive production of quarkonia pairs in collinear factorization framework
• Impact of JLab data on the determination of GPDs at zero skewness and new insights from transition form factors $N\to \Delta$
• Extracting transition generalized parton distributions from hard exclusive pion-nucleon scattering
• Exploring Baryon Resonances with Transition Generalized Parton Distributions: Status and Perspectives
• Diffractive rho + lepton pair production at an electron-ion collider
• Exclusive photoproduction of ${\eta }_c\gamma$ pairs with large invariant mass
• Diffractive two-meson electroproduction with a nucleon and deuteron target
• Pion-production cross sections in neutrino reactions for studying generalized parton distributions of the nucleon
• Unified and optimal frame choice for generalized parton distributions
• Photoproduction of ${\eta }_c\gamma$ pairs in CGC framework
• Phenomenology of diphoton photoproduction at next-to-leading order
• New framework for extracting GPDs from exclusive photon electroproduction