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

Table 12

Two-gluon decay widths (in MeV). The widths calculated with and without QCD corrections are denoted by and .

	Power		Logarithmic		[15]		[49]	Exp. [43]
State
(1S)	32.04	50.15	41.93	32.44	50.82	66.68	15.70	26.7 3.0
(2S)	28.55	44.70	37.32	24.64	38.61	5.08	8.10	14 7
(3S)	26.22	41.04	34.23	53.59	21.99
(4S)	24.50	38.35	31.96	50.03
(5S)	23.15	36.24	30.18	47.24
(1S)	5.50	7.50	12.82	17.49	13.72	18.80	11.49
(2S)	4.90	6.69	11.41	15.56	6.73	9.22	5.16
(3S)	4.50	6.14	10.46	14.28	5.58	7.64	3.80
(4S)	4.20	5.74	9.77	13.33
(5S)	3.97	5.42	9.22	12.58
(6S)	3.62	5.18	8.68	10.86