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Open Access item Nature of the axial-vector mesons from their N-c behavior within the chiral unitary approach

Authors:Geng, Li Sheng
Oset, Eulogi
Peláez, José Ramón
Roca, Luis
Issue Date:15-Dec-2008
Publisher:Springer
Citation:The European Physical Journal A: 39 (1): 81-87 (2009)
Abstract:By describing within the chiral unitary approach the g-wave interaction of the vector meson nonet with the octet of pseudoscalar Goldstone bosons, we find that the main component of the axial-vector mesons -b(1)(1235), h(1)(1170), h(1)(1380), a(1)(1260), f(1)(1285) and the two states associated to the K-1(1270)- does not follow the QCD dependence on the number of colors for ordinary q (q) over bar mesons.
Publisher version (URL):http://dx.doi.org/10.1140/epja/i2008-10689-y
URI:http://hdl.handle.net/10261/15936
ISSN:1434-6001
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