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Subtractive renormalization of the next-to-leading order NN interaction

✍ Scribed by V.S. Timóteo; T. Frederico; A. Delfino; Lauro Tomio


Publisher
Elsevier Science
Year
2007
Tongue
English
Weight
173 KB
Volume
790
Category
Article
ISSN
0375-9474

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✦ Synopsis


The subtracted kernel method is implemented recursively to solve scattering equations for the 1 S 0 phase-shifts considering the leading and the next-to-leading order NN interaction.


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We perform a next-to-leading order study of polarized parton distributions as predicted by quark models. The approach allows a detailed investigation of the anomalous contributions as well as angular momentum effects of the partons. Higher-order effects are large in the region 0.01 ~< x ~< 0.2, wher