Question

Explain 'orbital electron capture process'. How will you characterize the process?

Answer 1

Question #84848, Chemistry / Inorganic Chemistry | for completion

Explain 'orbital electron capture process'. How will you characterize the process?

Answer:

Electron capture (K-electron capture, also K-capture, or L-electron capture, L-capture) is a process in which the proton-rich nucleus of an electrically neutral atom absorbs an inner atomic electron, usually from the K or L electron shell. This process thereby changes a nuclear proton to a neutron and simultaneously causes the emission of an electron neutrino.

$$\mathrm{P} + \mathrm{e}^{-} \rightarrow \mathrm{n} + \mathrm{ve}$$

Since this single emitted neutrino carries the entire decay energy, it has this single characteristic energy. Similarly, the momentum of the neutrino emission causes the daughter atom to recoil with a single characteristic momentum.

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