| Very broad X(4260) and the resonance parameters of the ψ(3D) vector charmonium state. | |
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MedLine Citation:
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PMID: 20867512 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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We argue that the X(4260) enhancement contains a wealth of information on 1-- cc spectroscopy. We discuss the shape of the X(4260) observed in the Okubo-Zweig-Iizuka-forbidden process e+e-→π+π-J/ψ, in particular, at and near vector charmonium resonances as well as open-charm threshold enhancements. The resulting very broad X(4260) structure does not seem to classify itself as a 1-- cc resonance, but its detailed shape allows us to identify new vector charmonium states with higher statistics than in open-charm decay. Here, we estimate the resonance parameters of the ψ(3D). Our approach also provides an explanation for the odd dip in the π+π-J/ψ data precisely at the ψ(4415) resonance. |
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Authors:
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Eef van Beveren; George Rupp; J Segovia |
Publication Detail:
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Type: Journal Article Date: 2010-08-31 |
Journal Detail:
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Title: Physical review letters Volume: 105 ISSN: 1079-7114 ISO Abbreviation: Phys. Rev. Lett. Publication Date: 2010 Sep |
Date Detail:
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Created Date: 2010-09-27 Completed Date: 2011-01-12 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0401141 Medline TA: Phys Rev Lett Country: United States |
Other Details:
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Languages: eng Pagination: 102001 Citation Subset: - |
Affiliation:
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Centro de Física Teórica, Departamento de Física, Universidade de Coimbra, P-3004-516 Coimbra, Portugal. eef@teor.fis.uc.pt |
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