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Hidden-bottom and -charm hexaquark states in QCD sum rules
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Journal Article
Hidden-bottom and -charm hexaquark states in QCD sum rules
2020
Overview
In this paper, we investigate the spectra of the prospective hidden-bottom and -charm hexaquark states with quantum numbers
J
PC
=
0
+
+
,
0
-
+
,
1
+
+
and
1
-
-
in the framework of QCD sum rules. By constructing appropriate interpreting currents, the QCD sum rules analyses are performed up to dimension 12 of the condensates. Results indicate that there exist two possible baryonium states in
b
-quark sector with masses
11.84
±
0.22
GeV and
11.72
±
0.26
GeV for
0
+
+
and
1
-
-
, respectively. The corresponding hidden-charm partners are found lying respectively at
5.19
±
0.24
GeV and
4.78
±
0.23
GeV. Note that these baryonium states are all above the dibaryon thresholds, which enables their dominant decay modes could be measured at BESIII, BELLEII, and LHCb detectors.
Publisher
Springer Berlin Heidelberg,Springer,Springer Nature B.V,SpringerOpen
