Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
8737Rb50   Rubidium
J(π)=3/2-
T1/2=4.97e+10 y
Abundance: 27.83% 2
  Experiment
[2]		 Theory
[4]		 Sh.corr.
[4]
Mass Excess -84.59779
(0.000006)		 -84.430 -0.750
BE 757.856 757.688
BE/A 8.711 8.709
<R2ch>1/2 = 4.199 ± 0.0026 fm [3]
Charge-density Distribution [6]

β2= -0.021
β3= 0.000
β4= -0.012
β6= 0.000
Excited States[1]
click on a plot to process it 		Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay-8009.29
β- - decay282.28
β+ - decay-4910.30
e-capture-3888.30
1p - decay-8621.13
2p - decay-20600.32
1n - decay-9922.08
2n - decay-18573.06
2β- - decay-1579.38
β-,n-8145.86
β-,2n-19637.08
β-,d-15566.12
β-,t-19788.59
β-,α-7032.62
β-,n,α-14503.64
EC,p-16254.57
EC,2p-26762.19
EC,α-11682.16
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
β- endpoint energies
σ (b)
Capture 0.12
 
μ (nm) Q (b) E* (keV)
+2.751235(3)0
+2.751818(2)0
+2.75131(12)0
+0.1335(5)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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.