Xe
Xenon-135m
Protons (Z)
54
Neutrons (N)
81
Mass number
135
Half-Life
15.29 m
Abundance
---
Mass
134.908 u
Mass Excess
-85,886.0 keV
Spin
11/2-
Discovered
1960
Binding energy per nucleon
8,395 keV
Neutron separation energy
5,831 keV
Proton separation energy
9,132 keV
Decay Mode
Decay chain
- XeXenon-135Z 54 · N 8115.29 m
- γ~100%
- β⁻100%
- β⁻100%