61-PM-139

Atomic Mass	Mass Excess
138.916757368785 amu	-77.54 MeV

Level energy (MeV)	Spin & parity	Half-life	Mode of decay	Branch ratio (%)	Decay energy (MeV)
Ground state	(5/2)+	4.15 M 0.05	EC	100	4.5
.189	(11/2)-	180 MS 20	IT	100	.189
.189	(11/2)-	180 MS 20	EC		4.689

Strong Gamma-rays from Decay of PM-139

Decay mode Half-life Gamma-ray energy (keV) Intensity (%)

IT 180 MS 20 188.7 39.78+- 0.08

EC 4.15 M 0.05 95.30 1.8+- 0.3

EC 4.15 M 0.05 367.80 3.5+- 0.6

EC 4.15 M 0.05 402.80 14.5+- 2.3

EC 4.15 M 0.05 463.10 4.1+- 0.7

EC 4.15 M 0.05 756.5 2.0+- 0.4

EC 4.15 M 0.05 815.80 1.13+- 0.19

EC 4.15 M 0.05 981.6 1.06+- 0.19

EC 4.15 M 0.05 1704.6 0.71+- 0.14

Decay mode	Half-life	Gamma-ray energy (keV)	Intensity (%)
IT	180 MS 20	188.7	39.78+- 0.08
EC	4.15 M 0.05	95.30	1.8+- 0.3
EC	4.15 M 0.05	367.80	3.5+- 0.6
EC	4.15 M 0.05	402.80	14.5+- 2.3
EC	4.15 M 0.05	463.10	4.1+- 0.7
EC	4.15 M 0.05	756.5	2.0+- 0.4
EC	4.15 M 0.05	815.80	1.13+- 0.19
EC	4.15 M 0.05	981.6	1.06+- 0.19
EC	4.15 M 0.05	1704.6	0.71+- 0.14