Probing the nature of Zc(′) states via the ηcρ decay

The nature of the so-called XYZ states is a long-standing problem. It has been suggested that such particles may be described as compact four-quark states or loosely bound meson molecules. In the present work we analyze the Zc(′)→ηcρ decay using both approaches. Such channel might provide useful ins...

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Bibliographic Details
Main Authors: A. Esposito, A.L. Guerrieri, A. Pilloni
Format: Article
Language:English
Published: Elsevier 2015-06-01
Series:Physics Letters B
Online Access:http://www.sciencedirect.com/science/article/pii/S0370269315003238