Masses of light tetraquarks and scalar mesons in the relativistic quark model

Masses of light tetraquarks and scalar mesons in the relativistic quark model

Masses of the ground-state light tetraquarks are dynamically calculated in the framework of the relativistic diquark–antidiquark picture. The internal structure of the diquark is taken into account by calculating the form factor of the diquark–gluon interaction in terms of the overlap integral of th...

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Veröffentlicht in:The European physical journal. C, Particles and fields Particles and fields, 2009-03, Vol.60 (2), p.273-278
Hauptverfasser: Ebert, D., Faustov, R. N., Galkin, V. O.
Format: Artikel
Sprache:eng
Schlagworte:
Astronomy
Astrophysics and Cosmology
Elementary Particles
Form factors
Gluons
Hadrons
Heavy Ions
Measurement Science and Instrumentation
Mesons
Nuclear Energy
Nuclear Physics
Physics
Physics and Astronomy
Quantum Field Theories
Quantum Field Theory
Quark models
Regular Article - Theoretical Physics
Relativism
Relativistic effects
String Theory
Wave functions
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Beschreibung
Zusammenfassung:Masses of the ground-state light tetraquarks are dynamically calculated in the framework of the relativistic diquark–antidiquark picture. The internal structure of the diquark is taken into account by calculating the form factor of the diquark–gluon interaction in terms of the overlap integral of the diquark wave functions. It is found that scalar mesons with masses below 1 GeV, f 0 (600) ( σ ), K 0 * (800) ( κ ), f 0 (980) and a 0 (980), agree well with the light-tetraquark interpretation.
ISSN:1434-6044
1434-6052
DOI:10.1140/epjc/s10052-009-0925-2