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

Table 13

Radiative M1 decay widths of charmonium. In [18] LP stands for linear potential and SP stands for screened potential.

Initial	Final	Power		Logarithmic		[15]	[18]		Exp. [43]
	(1S)	114.9	1.96	113.8	2.83	3.28	2.39	2.44	1.13 0.35
(2S)	(2S)	111.5	1.39	101.5	2.01	1.45	0.19	0.19
(3S)	(3S)	93.8	1.10	93.8	1.59		0.051	0.088
(4S)	(4S)	87.1	0.88	87.1	1.27
(5S)	(5S)	83.2	0.74	83.2	1.10