S-Wave Heavy Quarkonium Spectra: Mass, Decays, and Transitions

Table 15

Exotic states. Experimental data are taken from [43] unless stated. The units for mass and strong decays are in MeV and two-photon decay is in keV.

	Mass			Strong decay			Two-photon decay
	Power	Logarithmic	Experiment	Power	Logarithmic	Experiment	Power	Logarithmic	Experiment
	3983	3887		41.04	53.59		0.543	0.710
									[50]
	4240	4117		38.35	50.03		0.508	0.612
	4441	4297		36.24	47.24		0.480	0.620