| Issue |
EPJ Web of Conferences
Volume 3, 2010
19th International IUPAP Conference on Few-Body Problems in Physics
|
|
|---|---|---|
| Article Number | 01015 | |
| Number of page(s) | 9 | |
| Section | Plenary talks | |
| DOI | https://doi.org/10.1051/epjconf/20100301015 | |
| Published online | 12 April 2010 | |
https://doi.org/10.1051/epjconf/20100301015
Elusive multiquark spectroscopy
1
Laboratoire de Physique Subatomique et Cosmologie, IN2P3-CNRS,
Université Joseph Fourier, INPG, 53, avenue des Martyrs, 38026 Grenoble,
France
2
Institut de Physique Nucléaire de Lyon, Université de Lyon,
IN2P3-CNRS-UCBL, 4, rue Enrico Fermi, 69622 Villeurbanne,
France
a e-mail: j-m.richard@ipnl.in2p3.fr
A review is presented of past and recent attempts to build multiquark states within current models already describing ordinary mesons and baryons. This includes: coherence in the chromomagnetic interaction, tetraquarks with two heavy quarks, Steiner-tree models of confinement, and hadronic molecules, in particular in the hidden-charm sector. Some emphasis is put on the difficulties encountered when extrapolating toward higher configurations the dynamics of confining forces, starting from the simple case of a quark and an antiquark, or three quarks in a colour singlet.
© Owned by the authors, published by EDP Sciences, 2010
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