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Subleading corrections to parity-violating pion photoproduction
Light photons meson photovoltaic coupling
2014/12/22
We compute the photon asymmetry Bγ for near threshold parity-violating (PV) pion photoproduction through subleading order. We show that subleading contributions involve a new combination of PV couplin...
Chiral Dynamics and Dubna-Mainz-Taipei Dynamical Model for Pion-Photoproduction Reaction
Chiral symmetry threshold 0 production baryon deformation
2011/1/5
We demonstrate that the Dubna-Mainz-Taipei (DMT) meson-exchange dynamica model, which starts from an effective chiral Lagrangian, for pion photoproduction pro-vides an excellent and economic framework...
The nucleon's transversity and the photon's distribution amplitude probed in lepton pair photoproduction
The nucleon's transversity photon's distribution amplitude lepton pair photoproduction
2011/1/7
We describe a new way to access the chiral odd transversity parton distribution in the proton
through the photoproduction of lepton pairs on transversely polarized target. The basic ingredient is the...
Inelastic Production of J/psi Mesons in Photoproduction and Deep Inelastic Scattering at HERA
Photoproduction Deep Inelastic Scattering
2010/3/15
A measurement is presented of inelastic photo- and electroproduction of J/psi mesons in ep scattering at HERA. The data were recorded with the H1 detector in the period from 2004 to 2007. Single and d...