The observation of many unexpected states decaying into heavy quarkonia has challenged the usual QQ̄ 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).
XYZ: Four quark states? / Pilloni, Alessandro. - In: IL NUOVO CIMENTO C. - ISSN 2037-4909. - 39:1(2016). [10.1393/ncc/i2016-16235-8]
XYZ: Four quark states?
PILLONI, ALESSANDRO
2016
Abstract
The observation of many unexpected states decaying into heavy quarkonia has challenged the usual QQ̄ 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).File allegati a questo prodotto
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