Research PaperNo Access

Tetraquark molecular states in the $D_{s} {ˉ D}_{s 1}$ $D_{s} {\bar{D}}_{s 1}$ and $D_{s}^{} {ˉ D}_{s 0}^{}$ $D_{s}^{} {\bar{D}}_{s 0}^{}$ mass spectrum

Zhi-Gang Wang

https://orcid.org/0000-0002-5203-6705

Department of Physics, North China Electric Power University, Baoding 071003, P. R. China

E-mail Address: zgwang@aliyun.com

Corresponding author.

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Xiao-Song Yang

Department of Physics, North China Electric Power University, Baoding 071003, P. R. China

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, and

Qi Xin

Department of Physics, North China Electric Power University, Baoding 071003, P. R. China

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https://doi.org/10.1142/S0217751X2150202XCited by:4 (Source: Crossref)

Abstract

In this work, we construct the color-singlet-color-singlet type four-quark currents to investigate the $D_{s} {ˉ D}_{s 1}$ $D_{s} {\bar{D}}_{s 1}$ and $D_{s}^{*} {ˉ D}_{s 0}^{*}$ $D_{s}^{*} {\bar{D}}_{s 0}^{*}$ tetraquark molecular states with the $J^{P C} = 1^{- -}$ $J^{P C} = 1^{- -}$ and $1^{- +}$ $1^{- +}$ via the QCD sum rules and obtain satisfactory results. We can search for the $D_{s} {ˉ D}_{s 1}$ $D_{s} {\bar{D}}_{s 1}$ and $D_{s}^{*} {ˉ D}_{s 0}^{*}$ $D_{s}^{*} {\bar{D}}_{s 0}^{*}$ tetraquark molecular states with the $J^{P C} = 1^{- -}$ $J^{P C} = 1^{- -}$ and $1^{- +}$ $1^{- +}$ at the BESIII and Belle II in the future.

Keywords:

PACS: 12.39.Mk, 12.38.Lg

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