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Theoretical Particle Physics

Publications

Higher-twist contributions to neutrino-production of pions

Publicaciones

Higher-twist contributions to neutrino-production of pions

Research areas:

Física Teórica de Partículas

Year:

2014

Type of Publication:

In Proceeding

Authors:

Journal:

Phys.Rev.

Volume:

D89

Pages:

10

Abstract:

In this paper we estimate the size of twist-3 corrections to the deeply virtual meson production in neutrino interactions due to the chiral odd transversity Generalized Parton Distribution (GPD). We conclude that in contrast to pion electroproduction, in neutrino-induced reactions these corrections are small. This happens due to large contribution of unpolarized GPDs H, E to the leading-twist amplitude in neutrinoproduction. We provide a computational code, which can be used for evaluation of the cross-sections accounting for these twist-3 corrections with various GPD models. Our results are particularly relevant for analyses of the pion and kaon production in the Minerva experiment at FERMILAB.

 

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