Where Are the Resonances in the r0'p+p-g Decay?

We consider the r0'p+p-g decay to study the s(600) and a1(1260) resonances. Using the meson dominance model we find that major effects are driven by the mass and width parameters of the s(600), and the usually neglected contribution of the a1(1260), although small by itself, may become sizable...

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Published inParticles and Fields (AIP Conference Proceedings Volume 1026) Vol. 1026; pp. 189 - 194
Main Authors Saanchez, G Toledo, Garcia-Luna, J L, Gonzalez-Enciso, V
Format Journal Article
LanguageEnglish
Published 01.01.2008
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Summary:We consider the r0'p+p-g decay to study the s(600) and a1(1260) resonances. Using the meson dominance model we find that major effects are driven by the mass and width parameters of the s(600), and the usually neglected contribution of the a1(1260), although small by itself, may become sizable through its interference with pion bremsstrahlung. We present a procedure to kinematically enhance the resonant effects in the angular and energy distribution of the photon.
Bibliography:SourceType-Scholarly Journals-2
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ISBN:0735405484
9780735405486
ISSN:0094-243X
DOI:10.1063/1.2965044