Approximate Solutions of Klein-Gordon Equation with Kratzer Potential

Table 2

Energy for 𝑙=1 and various 𝐷s.

𝐷	1 s		1 p		1 d		1 f
	𝐸1,𝑙
1	−1.70	1.98	−1.77	1.98	−1.70	1.98	−1.05	1.98
2	−1.75	1.96	−1.75	1.96	−1.54	1.96	−0.30	1.95
3	−1.77	1.93	−1.70	1.93	−1.05	1.93	−1.31	1.93
4	−1.75	1.91	−1.54	1.91	−0.30	1.91	−1.75	1.90
5	−1.70	1.89	−1.05	1.89	−1.31	1.88	−1.87	1.87
6	−1.54	1.86	−0.30	1.86	−1.75	1.85	−1.87	1.84
7	−1.05	1.83	−1.31	1.83	−1.87	1.82	−1.87	1.80
8	−0.30	1.80	−1.75	1.79	−1.87	1.78	−1.87	1.76
9	−1.31	1.77	−1.87	1.76	−1.87	1.74	−1.87	1.71
10	−1.75	1.73	−1.87	1.71	−1.87	1.69	−1.87	1.65