Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
15461Pm93   Promethium
J(π)=(3,4)
T1/2=2.68 m
  Experiment
[2]		 Theory
[4]		 Sh.corr.
[4]
Mass Excess -68.491327
(0.044759)		 -68.640 -0.020
BE 1263.751 1263.900
BE/A 8.206 8.207
<R2ch>1/2 = 
Charge-density Distribution [6]

β2= 0.270
β3= 0.000
β4= 0.105
β6= -0.007
Excited States[1]
click on a plot to process it 		Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay-2615.83
β- - decay3963.24
β+ - decay-3828.96
e-capture-2806.96
1p - decay-8450.06
2p - decay-19311.26
1n - decay-5915.03
2n - decay-13380.39
2β- - decay3245.93
β-,n-4003.54
β-,2n-9871.92
β-,d-10373.46
β-,t-10055.70
β-,α2762.89
β-,n,α-4612.21
EC,p-14211.90
EC,2p-24012.36
EC,α-6069.42
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
E = 0+x keV
T1/2 = 1.73 m
β-
100%
β- endpoint energies
γ-energies
    
[1] National Nuclear Data Center, Evaluated Nuclear Structure Data File, https://www.nndc.bnl.gov/ensdf/.
[2] M. Wang, G. Audi, A.H. Wapstra, F.G. Kondev, M. MacCormick, X. Xu, and B. Pfeiffer, Chinese Physics C, 2012, vol. 36, pp. 1603-2014.
[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.
[4] P. Möller, A.J. Sierk, T. Ichikawa, H. Sagawa, Atomic Data and Nuclear Data Tables, 2016, vol. 109-110, pp. 1-204.
[5] N.J. Stone, https://www-nds.iaea.org/publications/indc/indc-nds-0658/; Atomic Data and Nuclear Data Tables, 2016, vol. 111-112, pp. 1–28.
[6] H. de Vries, C.W. de Jager, C. de Vries, Atomic Data and Nuclear Data Tables, 1987, vol. 36, pp. 495-536.
[7] B. Pritychenko, M. Birch, B. Singh, M. Horoi, Atomic Data and Nuclear Data Tables, 2016, vol. 107, pp. 1–139; 2017, vol. 114, pp. 371–374.
[8] T. Kibedi and R.H. Spear, Atomic Data and Nuclear Data Tables, 2002, vol. 80, pp. 35-82.