Assignments of the , , , and Based on the QCD Sum Rules

Table 3

The possible assignments of the LHCb’s states based on the predictions from the QCD sum rules, where the superscript denotes the mass of the taken from Ref. [23].

		1S [mass (GeV)]	2S [mass (GeV)]	References
		[]		[9]
		[]		[13]
		[]	[]	[14]
		[]	[]	[23]