Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
8938Sr51   Strontium
J(π)=5/2+
T1/2=50.56 d
  Experiment
[2]
Theory
[4]
Sh.corr.
[4]
Mass Excess -86.20875
(0.001089)
-85.730 -0.460
BE 774.827 774.348
BE/A 8.706 8.701
<R2ch>1/2 = 4.2407 ± 0.0023 fm [3]
Charge-density Distribution [6]

β2= -0.032
β3= 0.000
β4= 0.000
β6= 0.000
Excited States[1]
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Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay-7153.32
β- - decay1500.44
β+ - decay-5518.55
e-capture-4496.55
1p - decay-10888.76
2p - decay-20077.23
1n - decay-6358.70
2n - decay-17471.32
- - decay-1332.29
β-,n-9981.26
β-,2n-19332.97
β-,d-14464.38
β-,t-16635.32
β--6466.28
β-,n,α-16945.95
EC,p-13806.50
EC,2p-26895.11
EC,α-10058.22
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
β- endpoint energies
γ-energies
 
μ (nm) Q (b) E* (keV)
-1.1481(8)0
-1.147(2)0
-0.253(8)0
  
[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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.