Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
8137Rb44   Rubidium
J(π)=3/2-
T1/2=4.57 h
  Experiment
[2]
Theory
[4]
Sh.corr.
[4]
Mass Excess -75.456663
(0.004904)
-76.180 3.800
BE 700.287 701.010
BE/A 8.646 8.654
<R2ch>1/2 = 4.2239 ± 0.0072 fm [3]
Charge-density Distribution [6]

β2= -0.237
β3= 0.000
β4= -0.048
β6= -0.013
Excited States[1]
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Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay-4646.76
β- - decay-3928.50
β+ - decay1216.12
e-capture2238.12
1p - decay-4852.35
2p - decay-13966.61
1n - decay-11352.50
2n - decay-20796.28
- - decay-9744.87
β-,n-13216.45
β-,2n-26122.34
β-,d-17789.34
β-,t-23471.01
β--7712.09
β-,n,α-16938.69
EC,p-6856.68
EC,2p-14117.27
EC,α-3282.11
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
E = 86.31 keV
T1/2 = 30.50 m
IT
97.6%
β+, EC
2.4%
β+ endpoint energies
γ-energies
 
μ (nm) Q (b) E* (keV)
+5.598(2)86
+2.0595(14)0
-0.90(19)86
+0.48(10)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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.