XYZ : Four quark states?
Abstract
The observation of many unexpected states decaying into heavy quarkonia has challenged the usual Q bar{Q} interpretation. We will discuss the nature of some of the charmonium-like resonances recently observed by BES III and LHCb, and their identification according to the compact tetraquark model. We also comment the production of light nuclei in hadron collisions and the relevance for the physics of the X(3872).
- Publication:
-
Nuovo Cimento C Geophysics Space Physics C
- Pub Date:
- January 2016
- DOI:
- 10.1393/ncc/i2016-16235-8
- arXiv:
- arXiv:1508.03823
- Bibcode:
- 2016NCimC..39..235P
- Keywords:
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- High Energy Physics - Phenomenology
- E-Print:
- 5 pages, 2 figures, 1 table. Contribution to the proceedings of "IFAE 2015 Incontri di Fisica delle Alte Energie", Roma 8-10 April 2015