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283 papers · 1 filter
Quantum Mixmaster as a model of the Primordial Universe
Hervé Bergeron, Ewa Czuchry, Jean-Pierre Gazeau +1
The Mixmaster solution to Einstein field equations was examined by C. Misner in an effort to better understand the dynamics of the early universe. We highlight the importance of th…
Contribution of exclusive diffractive processes to the measured azimuthal asymmetries in SIDIS
J. Agarwala, M. G. Alexeev, G. D. Alexeev +203
Hadron leptoproduction in Semi-Inclusive measurements of Deep-Inelastic Scattering (SIDIS) on unpolarised nucleons allows one to get information on the intrinsic transverse momentu…
Data-driven study of timelike Compton scattering
O. Grocholski, H. Moutarde, B. Pire +2
In the framework of collinear QCD factorization, the leading twist scattering amplitudes for deeply virtual Compton scattering (DVCS) and timelike Compton scattering (TCS) are inti…
Probing the Sivers function with an unpolarized target: GTMD distributions and the Odderons
Renaud Boussarie, Yoshitaka Hatta, Lech Szymanowski +1
It is commonly believed that the Sivers function has uniquely to do with processes involving a transversely polarized nucleon. In this paper we show that it is not necessarily the…
Path integral quantization of a spinning particle
Jerzy Kowalski-Glikman, Giacomo Rosati
Following the idea of Alekseev and Shatashvili we derive the path integral quantization of a modified relativistic particle action that results in the Feynman propagator of a free…
Nucleon-to-meson transition distribution amplitudes in impact parameter space
Bernard Pire, Kirill Semenov-Tian-Shansky, Lech Szymanowski
Recent analyses of backward meson electroproduction support the validity of a collinear QCD factorization framework for these hard exclusive reactions. This opens a way to the extr…