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Restricted locality of quark-hadron duality in exclusive meson photoproduction reactions above the resonance region

Abstract:
We show how deviations from the dimensional scaling laws for exclusive processes may be related to a breakdown in the locality of quark-hadron duality, i.e. the "restricted locality". For exclusive reactions like meson photo- and electroproduction above the resonance region, we explore the effects arising from such a local duality breaking and propose that it can be a possible source for oscillations about the smooth quark counting rule predicted by pQCD in the 90-degree differential cross sections.
Publication status:
Published

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Publisher copy:
10.1142/S0217751X0502361X

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Theoretical Physics
Role:
Author
Journal:
INTERNATIONAL JOURNAL OF MODERN PHYSICS A
Volume:
20
Issue:
8-9
Pages:
1910-1913
Publication date:
2005-04-10
Event title:
10th International Symposium on Meson-Nucleon Physics and Structure of Nucleon
DOI:
EISSN:
1793-656X
ISSN:
0217-751X
Source identifiers:
21084
Keywords:
Pubs id:
pubs:21084
UUID:
uuid:a949f0d1-dc6d-4e42-8668-0e12d543b24e
Local pid:
pubs:21084
Deposit date:
2012-12-19

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