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Title
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High-energy factorization and small-x deep-inelastic scattering beyond leading order
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Author
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Abstract
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| High-energy factorization in QCD is investigated beyond leading order and its relationship to the factorization theorem of mass singularities is established to any collinear accuracy. Flavour non-singlet observables are shown to be regular at small x order by order in perturbation theory. In the singlet sector, we derive the relevant master equations for the space-like evolution of gluons and quarks. Their solution enables us to sum next-to-leading corrections to the small-x behaviour of quark anomalous dimensions and deep inelastic scattering coefficient functions. We present results in both <(MS)over bar> and DIS factorization schemes. |
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Language
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English
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Source (journal)
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Nuclear physics : B / Institute of Physics [London] - Amsterdam, 1967, currens
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Publication
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Amsterdam
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North-Holland
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1994
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ISSN
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0550-3213
[print]
1873-1562
[online]
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DOI
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10.1016/0550-3213(94)90636-X
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Volume/pages
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427
:3
(1994)
, p. 475-524
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ISI
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A1994PN44900003
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Full text (Publisher's DOI)
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Full text (open access)
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