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Accessing Generalized Parton Distributions in Exclusive Photoproduction of a Pair with a Large Invariant Mass
R. Boussarie, B. Pire, L. Szymanowski +1
We propose and study the photoproduction of a pair with a large invariant mass and a small transverse momentum of the final nucleon, as a way to access generalized parton di…
Baryon-to-meson transition distribution amplitudes: formalism and models
B. Pire, K. Semenov-Tian-Shansky, L. Szymanowski
In specific kinematics, hard exclusive amplitudes may be factorized into a short distance dominated part computable in a perturbative way on the one hand, and universal, confinemen…
Backward charmonium production in collisions
B. Pire, K. Semenov-Tian-Shansky, L. Szymanowski
The QCD collinear factorization framework allows to describe exclusive backward production of a meson in pion-nucleon collisions in terms of pion-to-nucleon transition distri…
Exclusive photoproduction of a pair with a large invariant mass
R. Boussarie, B. Pire, L. Szymanowski +1
Exclusive photoproduction of a pair in the kinematics where the pair has a large invariant mass and the final nucleon has a small transverse momentum is described in the col…
Revealing transversity GPDs through the photoproduction of a photon and a meson
R. Boussarie, B. Pire, L. Szymanowski +1
Photoproduction of a pair of particles with large invariant mass is a natural extension of collinear QCD factorization theorems which have been much studied for deeply virtual Comp…
Probing the transversity spin structure of a nucleon in neutrino-production of a charmed meson
B. Pire, L. Szymanowski, J. Wagner
Including O(m_c) terms in the coefficient functions and/or O(m_D) twist 3 contributions in the heavy meson distribution amplitudes leads to a non-zero transverse amplitude for excl…