Exploring a $$\Sigma _{c}\bar{D}$$ ΣcD¯ state: with focus on $$P_{c}(4312)^{+}$$ Pc(4312)+

Abstract Stimulated by the new discovery of $$P_{c}(4312)^{+}$$ Pc(4312)+ by LHCb Collaboration, we endeavor to perform the study of $$P_{c}(4312)^{+}$$ Pc(4312)+ as a $$\Sigma _{c}\bar{D}$$ ΣcD¯ state in the framework of QCD sum rules. Taking into account the results from two sum rules, a conservat...

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Bibliographic Details
Main Author: Jian-Rong Zhang
Format: Article
Language:English
Published: SpringerOpen 2019-12-01
Series:European Physical Journal C: Particles and Fields
Online Access:https://doi.org/10.1140/epjc/s10052-019-7529-2
Description
Summary:Abstract Stimulated by the new discovery of $$P_{c}(4312)^{+}$$ Pc(4312)+ by LHCb Collaboration, we endeavor to perform the study of $$P_{c}(4312)^{+}$$ Pc(4312)+ as a $$\Sigma _{c}\bar{D}$$ ΣcD¯ state in the framework of QCD sum rules. Taking into account the results from two sum rules, a conservative mass range $$4.07{\sim }4.97~\text{ GeV }$$ 4.07∼4.97GeV is presented for the $$\Sigma _{c}\bar{D}$$ ΣcD¯ hadronic system, which agrees with the experimental data of $$P_{c}(4312)^{+}$$ Pc(4312)+ and could support its interpretation as a $$\Sigma _{c}\bar{D}$$ ΣcD¯ state.
ISSN:1434-6044
1434-6052