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arXiv · 1412.4315

Deeply pseudoscalar meson electroproduction with CLAS and Generalized Parton Distributions

Michel Guidal·Valery Kubarovsky
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Abstract

We discuss the recent data of exclusive $\pi^0$ (and $\pi^+$) electroproduction on the proton obtained by the CLAS collaboration at Jefferson Lab. It is observed that the cross sections, which have been decomposed in $\sigma_T +\epsilon\sigma_L$, $\sigma_{TT}$ and $\sigma_{LT}$ structure functions, are dominated by transverse amplitude contributions. The data can be interpreted in the Generalized Parton Distribution formalism provided that one includes helicity-flip transversity GPDs.

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Michel Guidal, Valery Kubarovsky. 2014-12-14. Deeply pseudoscalar meson electroproduction with CLAS and Generalized Parton Distributions. https://arxiv.org/abs/1412.4315

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