Deeply Virtual Compton Scattering and Exclusive Meson Production
نویسندگان
چکیده
منابع مشابه
Exclusive Vector Meson Production and Deeply Virtual Compton Scattering at HERA ∗
Exclusive vector meson production and deeply virtual Compton scattering are ideally suited reactions for studying the structure of the proton and the transition from soft to hard processes. The main experimental data obtained at HERA are summarised and presented in the light of QCD approaches.
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We study in QCD the physics of deeply-virtual Compton scattering (DVCS)—the virtual Compton process in the large s and small t kinematic region. We show that DVCS can probe a new type of off-forward parton distributions. We derive an Altarelli-Parisi type of evolution equations for these distributions. We also derive their sum rules in terms of nucleon form-factors of the twist-two quark and gl...
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We propose to measure the Beam Spin Asymmetry (BSA) in Deeply Virtual Compton Scattering (DVCS) off 4He. The measurements will use a 6 GeV polarized electron beam, a 4He pressurized gas target, the CLAS and the BoNuS RTPC detectors. The major goal of this proposal is to perform the first fully quantitative investigation of the DVCS reaction off a nuclear target in the coherent and incoherent ch...
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We propose to use the High Momentum Spectrometer of Hall C combined with a PbWO4 electromagnetic calorimeter in order to perform high precision measurements of the Deeply Virtual Compton Scattering (DVCS) cross section. A wide range of kinematics accessible with an 11 GeV electron beam off an unpolarized proton target will be covered. The azimuthal, energy and helicity dependences of the cross ...
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Two recent results in ep physics using the ZEUS detector at HERA are discussed: a measurement of the prompt photon production cross section in photoproduction, and the first observation of Deeply Virtual Compton Scattering in DIS.
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ژورنال
عنوان ژورنال: EPJ Web of Conferences
سال: 2015
ISSN: 2100-014X
DOI: 10.1051/epjconf/20158501004