Composite and elementary natures of a1(1260) meson

A. Hosaka; D. Jido; H. Nagahiro; K. Nawa; S. Ozaki

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Composite and elementary natures of a1(1260) meson

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arxiv 1101.3623 v2 pith:TDEG4R6R submitted 2011-01-19 hep-ph

H. Nagahiro , K. Nawa , S. Ozaki , D. Jido , A. Hosaka This is my paper · ORCID

classification hep-ph

keywords compositemesonmixingpropertiesanalyzeaxialclassificationcomponents

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We develop a practical method to analyze the mixing structure of hadrons consisting of two components of quark-composite and hadronic composite. As an example we investigate the properties of the axial vector meson a1(1260) and discuss its mixing properties quantitatively. We also make reference to the large Nc procedure and its limitation for the classification of such a mixed state.

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