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Pregled bibliografske jedinice broj: 146905

Časopis

Autori: Huang, H.W.; Jakob R.; Kroll P.; Passek- Kumerički, Kornelija
Naslov: Signatures of the handbag mechanism in wide-angle photoproduction of pseudoscalar mesons
Izvornik: European Physical Journal. C (1434-6044) 33 (2004); 91-103
Vrsta rada: članak
Ključne riječi: wide-angle photoproduction; pseudoscalar mesons; handbag
Sažetak:
Wide-angle photoproduction of pseudoscalar mesons is investigated under the assumption of dominance of the handbag mechanism considering both quark helicity flip and non-flip. The partonic subprocess, meson photoproduction off quarks, is analysed with the help of a covariant decomposition of the subprocess amplitudes which is independent of a specific meson generation mechanism. As examples of subprocess dynamics, however, the twist-2 as well as two-particle twist-3 contributions are explicitly calculated. Characteristic features of the handbag approach are discussed in dependence upon the relative magnitudes of the invariant functions. Differential cross sections and spin correlations are predicted to show a characteristic behaviour which allows to test the underlying assumption of handbag dominance.
Projekt / tema: 0098002
Izvorni jezik: ENG
Rad je indeksiran u
bazama podataka:
Current Contents Connect (CCC)
Scopus
SCI-EXP, SSCI i/ili A&HCI
Science Citation Index Expanded (SCI-EXP) (sastavni dio Web of Science Core Collectiona)
Kategorija: Znanstveni
Znanstvena područja:
Fizika
URL Internet adrese: http://arxiv.org/abs/hep-ph/0309071
http://inspirehep.net/record/627617
Broj citata:
Altmetric:
DOI: 10.1140/epjc/s2003-01576-6
URL cjelovitog teksta:
Google Scholar: Signatures of the handbag mechanism in wide-angle photoproduction of pseudoscalar mesons
Napomene:
[arXiv:hep-ph/0309071]



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