X(3872) and other possible heavy molecular states

We perform a systematic study of the possible molecular states composed of a pair of heavy mesons such as , , in the framework of the meson exchange model. The exchanged mesons include the pseudoscalar, scalar and vector mesons. Through our investigation, we find the following results. (1) The struc...

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Veröffentlicht in:	The European physical journal. C, Particles and fields Particles and fields, 2009-06, Vol.61 (3), p.411-428
Hauptverfasser:	Liu, Xiang, Luo, Zhi-Gang, Liu, Yan-Rui, Zhu, Shi-Lin
Format:	Artikel
Sprache:	eng
Schlagworte:	Astronomy Astrophysics and Cosmology Attraction Channels Elementary Particles Exact sciences and technology Exchanging Hadrons Heavy Ions Mathematical models Measurement Science and Instrumentation Mesons Molecular structure Nuclear Energy Nuclear Physics Physics Physics and Astronomy Pions Quantum Field Theories Quantum Field Theory Regular Article - Theoretical Physics Scalars String Theory The physics of elementary particles and fields Vector mesons
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Beschreibung
Zusammenfassung:	We perform a systematic study of the possible molecular states composed of a pair of heavy mesons such as , , in the framework of the meson exchange model. The exchanged mesons include the pseudoscalar, scalar and vector mesons. Through our investigation, we find the following results. (1) The structure X (3764) is not a molecular state. (2) There exists strong attraction in the range r
ISSN:	1434-6044 1434-6052
DOI:	10.1140/epjc/s10052-009-1020-4