Table 2.

New mass values of affected nuclides, when including the new mass value of $_{}^{208}$Pb in the AME2020 [6]

Z	A	el.	$T_{1/2}$ [37]	AME2020 mass ($\mu \text{u}$)		Improved mass ($\mu$u)		Improvement factor
81	203	Tl	Stable	202,972,344.1	(1.3)	202,972,342.7	(0.4)	3.2
81	204	Tl	3.783(12) y	203,973,863.4	(1.2)	203,973,862.01	(0.26)	4.8
82	204	Pb	$1.4(6)\times {10}^{17}$ y	203,973,043.5	(1.2)	203,973,042.09	(0.18)	7.0
81	205	Tl	Stable	204,974,427.3	(1.3)	204,974,425.9	(0.6)	2.4
82	205	Pb	$1.70(9)\times {10}^7$ y	204,974,481.7	(1.2)	204,974,480.26	(0.13)	9.2
81	206	Tl	4.202(11) min	205,976,110.1	(1.4)	205,976,108.7	(0.7)	2.1
82	206	Pb	Stable	205,974,465.2	(1.2)	205,974,463.79	(0.12)	10.6
82	207	Pb	Stable	206,975,896.8	(1.2)	206,975,895.39	(0.06)	21.6
82	208	Pb	Stable	207,976,652.0	(1.2)	207,976,650.571	(0.014)	88.0
83	209	Bi	$2.01(8)\times {10}^{19}$ y	208,980,398.6	(1.5)	208,980,397.2	(0.8)	1.8
82	210	Pb	22.20(22) y	209,984,188.4	(1.6)	209,984,187	(1.0)	1.6
83	210	Bi	5.012(5) d	209,984,120.2	(1.5)	209,984,118.9	(0.8)	1.8
84	210	Po	138.376(2) d	209,982,873.7	(1.2)	209,982,872.27	(0.14)	8.8
84	211	Po	0.516(3) s	210,986,653.2	(1.3)	210,986,651.7	(0.6)	2.4
84	212	Po	294.3(8) ns	211,988,868.0	(1.2)	211,988,866.55	(0.12)	10.1