Gardi, E. ; Roberts, R.G.
Alternative Links zum Volltext:DOIVerlag
| Dokumentenart: | Artikel |
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| Titel eines Journals oder einer Zeitschrift: | Nuclear Physics B |
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| Verlag: | ELSEVIER SCIENCE BV |
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| Ort der Veröffentlichung: | AMSTERDAM |
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| Band: | 653 |
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| Nummer des Zeitschriftenheftes oder des Kapitels: | 1-2 |
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| Seitenbereich: | S. 227-255 |
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| Datum: | 2003 |
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| Institutionen: | Physik > Institut für Theoretische Physik |
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| Identifikationsnummer: | | Wert | Typ |
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| 10.1016/S0550-3213(03)00035-X | DOI |
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| Stichwörter / Keywords: | SINGLET STRUCTURE FUNCTIONS; STRUCTURE-FUNCTION G(2)(X; TO-LEADING ORDER; LARGE BJORKEN-X; POWER CORRECTIONS; PARTON DISTRIBUTIONS; ANOMALOUS DIMENSIONS; WILSON OPERATORS; CROSS-SECTIONS; HARD PROCESSES; |
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| Dewey-Dezimal-Klassifikation: | 500 Naturwissenschaften und Mathematik > 530 Physik |
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| Status: | Veröffentlicht |
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| Begutachtet: | Ja, diese Version wurde begutachtet |
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| An der Universität Regensburg entstanden: | Ja |
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| Dokumenten-ID: | 72373 |
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Zusammenfassung
We claim that factorization implies that the evolution kernel, defined by the logarithmic derivative of the Nth moment of the structure function d In F-2(N) /d in Q(2), receives logarithmically enhanced contributions (Sudakov logs) from a single source, namely, the constrained invariant mass of the jet. Available results from fixed-order calculations facilitate Sudakov resummation up to the ...
Zusammenfassung
We claim that factorization implies that the evolution kernel, defined by the logarithmic derivative of the Nth moment of the structure function d In F-2(N) /d in Q(2), receives logarithmically enhanced contributions (Sudakov logs) from a single source, namely, the constrained invariant mass of the jet. Available results from fixed-order calculations facilitate Sudakov resummation up to the next-to-next-to-leading logarithmic accuracy. We use additional all-order information on the physical kernel from the large-beta(0) limit to model the behaviour of further subleading logs and explore the uncertainty in extracting alpha(s) and in determining the magnitude of higher-twist contributions from a comparison with data on high moments. (C) 2003 Published by Elsevier Science B.V.
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