Carbon-11

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Carbon-11
General
Name, symbol Carbon-11,11C
Neutrons 5
Protons 6
Nuclide data
Half-life 20.38 minutes
Decay products 11B
Spin -3/2
Decay mode Decay energy
Positron emission 0.45 MeV
Decay scheme of 11C
Decay scheme of 11C

Carbon-11 or 11C is a radioactive isotope of carbon. It decays 100% by positron emission to Boron-11. It has a half-life of 20.38 min.

\color{blue}{}^{11}_{\ 6}\, C  →  \color{blue}{}^{11}_{\ 5}\, B  +  e+  +  νe  +  0.45  MeV

Carbon-11 is very much used as a radioisotope to radioactive labelling of molecules in positron emission tomography. Among the many molecules used in this context is the radioligand [11C]DASB.

[edit] See also

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