Effects of Flavor Dependence on Weak Decays of 𝐽/𝜓 and Υ

Table 4

Branching ratios (in the units of 10⁻¹⁰) of 𝐽/𝜓→𝑃𝑃 decays.

Decay	This work			[7]	[8]	[10]
	𝜔 = 0.40; GeV	Using flavor; dependent 𝜔	QCD inspired; 𝜔≡𝛼𝑠𝑚
Δ𝐶=Δ𝑆=+1
𝐽/𝜓→𝐷^+𝑠𝜋^−	3.32	7.41^+0.13−0.23	7.13	6.12	2.0	2.5
𝐽/𝜓→𝐷^0𝐾^0	0.72	1.39^+0.10−0.14	1.34	1.96	0.36	—
Δ𝐶=+1,Δ𝑆=0
𝐽/𝜓→𝐷^+𝑠𝐾^−	0.24	0.53±0.02	0.52	0.39	0.16	—
𝐽/𝜓→𝐷^+𝜋^−	0.15	0.29^+0.02−0.03	0.28	0.39	0.08	—
𝐽/𝜓→𝐷^0𝜋^0	0.012	0.024^+0.002−0.003	0.023	0.039	—	—
𝐽/𝜓→𝐷^0𝜂	0.036	0.070^+0.005−0.007	0.067	0.011	—	—
𝐽/𝜓→𝐷^0𝜂′	0.002	0.004^+0.0002−0.0005	0.004	0.002	—	—
Δ𝐶=+1,Δ𝑆=−1
𝐽/𝜓→𝐷^+𝐾^−	0.012	0.023±0.002	0.022	—	—	0.5
𝐽/𝜓→𝐷^0𝐾^0	0.002	0.004^+0.000−0.001	0.004	—	—	—