Nature of the axial-vector mesons from their Nc behavior within the chiral unitary approach

L. S. Geng; E. Oset; J. R. Peláez; L. Roca

doi:10.1140/epja/i2008-10689-y

Nature of the axial-vector mesons from their N_c behavior within the chiral unitary approach

L. S. Geng
, E. Oset
, J. R. Peláez
, L. Roca

University of Valencia
Institutos de Investigación de Paterna
Complutense University
University of Murcia

Research output: Contribution to journal › Article › peer-review

45 Scopus citations

Abstract

By describing within the chiral unitary approach the s -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 qq̄ mesons.

Original language	English
Pages (from-to)	81-87
Number of pages	7
Journal	European Physical Journal A
Volume	39
Issue number	1
DOIs	https://doi.org/10.1140/epja/i2008-10689-y
State	Published - Jan 2009
Externally published	Yes

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title = "Nature of the axial-vector mesons from their Nc behavior within the chiral unitary approach",

abstract = "By describing within the chiral unitary approach the s -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} mesons.",

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year = "2009",

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AU - Oset, E.

AU - Peláez, J. R.

AU - Roca, L.

PY - 2009/1

Y1 - 2009/1

N2 - By describing within the chiral unitary approach the s -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 qq̄ mesons.

AB - By describing within the chiral unitary approach the s -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 qq̄ mesons.

UR - https://www.scopus.com/pages/publications/60649101237

U2 - 10.1140/epja/i2008-10689-y

DO - 10.1140/epja/i2008-10689-y

M3 - 文章

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SN - 1434-6001

VL - 39

SP - 81

EP - 87

JO - European Physical Journal A

JF - European Physical Journal A

IS - 1

ER -

Nature of the axial-vector mesons from their N_c behavior within the chiral unitary approach

Abstract

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