Higher Twist Contributions to Deep-Inelastic Structure Functions

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We report on a recent extraction of the higher twist contributions to the deep inelastic structure functions $F_2^{ep,ed}(x,Q^2)$ in the large $x$ region. It is shown that the size of the extracted higher twist contributions is strongly correlated with the higher order corrections applied to the leading twist part. A gradual lowering of the higher twist contributions going from NLO to N$^4$LO is observed, where in the latter case only the leading large $x$ terms were considered.
4 pages 2 figures

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High Energy Physics - Phenomenology, High Energy Physics - Experiment

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http://salesiana.dossiersoluciones.com/handle/123456789/164052

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0807.0248
 http://arxiv.org/abs/0807.0248

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arXiv