Double Charmonium Productions in Electron-Positron Annihilation Using Bethe-Salpeter Approach

Table 2

The total cross-sections of pseudoscalar and vector charmonium production for ground and first excited states with experimental data and other theoretical models (in units of fb).

Production Process	σ (Our result)	σ [1]	σ [2]	σ [8]	σ [9]	σ [10]	σ [11]
	20.770	25.62.8	17.62.8	26.7	22.24.2	22.3	21.75
	11.643	16.34.6		16.3	15.32.9
	11.177	16.53.0	16.43.7	26.6	16.43.1
	6.266	16.05.1		14.5	9.61.8