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Pregled bibliografske jedinice broj: 146905

Signatures of the handbag mechanism in wide-angle photoproduction of pseudoscalar mesons


Huang, H.W.; Jakob R.; Kroll P.; Passek- Kumerički, Kornelija
Signatures of the handbag mechanism in wide-angle photoproduction of pseudoscalar mesons // European Physical Journal. C, 33 (2004), 91-103 doi:10.1140/epjc/s2003-01576-6 (međunarodna recenzija, članak, znanstveni)


Naslov
Signatures of the handbag mechanism in wide-angle photoproduction of pseudoscalar mesons

Autori
Huang, H.W. ; Jakob R. ; Kroll P. ; Passek- Kumerički, Kornelija

Izvornik
European Physical Journal. C (1434-6044) 33 (2004); 91-103

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

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.

Izvorni jezik
Engleski

Znanstvena područja
Fizika

Napomena
[arXiv:hep-ph/0309071]



POVEZANOST RADA


Projekt / tema
0098002

Ustanove
Institut "Ruđer Bošković", Zagreb

Autor s matičnim brojem:
Kornelija Passek-Kumerički, (218910)

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus


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