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

Table 7

Pseudoscalar decay constants (in MeV).

State	Exp. [43]	Power	Power	Logarithmic	Logarithmic	[15]	[15]	[12]
(1S)	335 75	543	415	578	442	471	360	402
(2S)		473	362	497	380	374	286	240
(3S)		330	252	442	338	332	254	193
(4S)		325	248	412	315	312	239
(5S)		253	193	387	304
(1S)		517	431	585	488	834	694	599
(2S)		479	400	535	447	567	472	411
(3S)		345	288	504	421	508	422	354
(4S)		313	261	482	402	481	401
(5S)		283	236	465	388
(6S)		208	186	434	374