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

Table 8

Vector decay constants (in MeV).

State	Exp. [43]	Power	Power	Logarithmic	Logarithmic	[15]	[15]	[12]
	335 75	529	363	563	386	462	317	393
(2S)	279 8	463	318	487	334	369	253	293
(3S)	174 18	324	222	436	299	329	226	258
(4S)		319	219	406	279	310	212
(5S)		248	170	382	262	290	199
(1S)	708 8	516	402	584	455	831	645	665
(2S)	482 10	482	373	535	416	566	439	475
(3S)	346 50	350	269	504	393	507	393	418
(4S)	325 60	316	243	482	375	481	373	388
(5S)	369 93	285	222	464	362	458	356	367
(6S)		241	203	442	354	439	341