S-wave meson scattering up to 2 GeV and its spectroscopy

Journal Article · Sun Aug 31 04:00:00 EDT 2008 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.2973520· OSTI ID:21149188

Albaladejo, M; Oller, J A; Piqueras, C ^[1]

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1. Departamento de Fisica, Universidad de Murcia, E-30071, Murcia (Spain)

We have performed a thorough study of the meson-meson S-waves with isospin (I) 0 and 1/2, up to {radical}(s){approx_equal}2 GeV. This is the first study that includes 13 channels that have their threshold below that energy. All the resonances below 2 GeV, namely the f{sub 0}(600) or {sigma}, f{sub 0}(980), f{sub 0}(1370), f{sub 0}(1500), f{sub 0}(1710) and f{sub 0}(1790) for I = 0, and the K{sub 0}*(800) or {kappa}, K{sub 0}*(1430) and K{sub 0}*(1950) for I = 1/2, are generated. We can then extract a clear picture of the spectroscopy, finding that the f{sub 0}(1710), together with an important contribution to the f{sub 0}(1500), are glueballs. Another pole, which corresponds mainly to the f{sub 0}(1370), is a pure octet I 0 state, and does not mix with the glueball.

• OSTI ID: 21149188
• Journal Information: AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 1030; ISSN APCPCS; ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
CHIRAL SYMMETRY
F0-980 MESONS
GEV RANGE
GLUEBALLS
ISOSPIN
K*0-1430 MESONS
MESON SPECTROSCOPY
MESON-MESON INTERACTIONS
PERTURBATION THEORY
QUARK MODEL
RESONANCE PARTICLES
S WAVES
SIGMA MODEL
SYMMETRY BREAKING