Low-energy vector-dominance-model description of reactions

G. Alexander*, U. Maor, P. G. Williams

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

The threshold enhancement of is reexamined. We claim that factorization, when explicitly evaluated for low energies, does account for most, if not all, of the reported cross-section data. Our analysis indicates an important low-energy isoscalar-photon contribution yielding a large production cross section. Our approach implies that the vector-dominance model is the major low-energy mechanism. This is supported by the preliminary available information on total cross sections.

Original languageEnglish
Pages (from-to)1198-1201
Number of pages4
JournalPhysical review D
Volume26
Issue number5
DOIs
StatePublished - 1982

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