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Investigating Partons' Transverse Spin with Deep Inelastic Exclusive Experiments

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arxiv 1104.5682 v1 pith:VXXW3D2M submitted 2011-04-29 hep-ph

Investigating Partons' Transverse Spin with Deep Inelastic Exclusive Experiments

classification hep-ph
keywords charmedexperimentsfunctionallowanalyzedchiralcomponentconnection
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We show how deeply virtual pseudoscalar meson production experiments single out the contribution of the four chiral odd quark-proton GPDs which are related to the so far elusive transversity distribution function, $h_1$. Furthermore, in the kinematical ranges of the proposed EIC, electroproduction of strange and charmed mesons will allow one to uniquely pin down the non-perturbative charmed component in the nucleon structure function, and at the same time provide new insights in the connection of the quark/gluon degrees of freedom with the meson-baryon description. The use of dispersion relations as well as the naive extension of the parton model to the ERBL region are critically analyzed.

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