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

Table 5

Mass differences of S-wave charmonium states (in MeV).

State	Exp. [43]	Power	Logarithmic	[13]	[11]	[18] LP	[18] SP
-(1S)	113	116	150	118	108	114	113
(2S)-(2S)	47	103	134	50	42	44	42
(3S)-(3S)		95	124	31	29	30	26
(4S)-(4S)		88	116	23	22	24	17
(5S) - (5S)		84	109	17		21	13