Explain: K-Electron Capture. | Nuclear Chemistry | Physical Chemistry

In the atomic transmutation reaction the recoil target obtained may be stable or unstable. If it is unstable, it undergo the induced radioactivity by emitting either { beta }^{ + } (_{ 1 }^{ 0 }{ e }) or { beta }^{ - } (_{ -1 }^{ 0 }{ e }). When the mass no. of recoil target is less than corresponding stable in that case the emission is { beta }^{ + }. But in some cases nucleus is not having sufficient energy of { beta }^{ + } emission, in that case nuclei acquire the energy (stability) by capturing the electron from the nearest orbit to nucleus which is K - orbit (shell) Or L - orbit, so the no. of neutrons increases and the no. of protons decreases. because Proton + electron = neutron. Equations are given below: _{ 25 }^{ 54 }Mn + _{ -1 }e (k-shell) longrightarrow _{ 24 }^{ 54 }Cr + gamma -rays _{ 23 }^{ 49 }V + _{ -1 }e (k-shell) longrightarrow _{ 22 }^{ 49 }Ti + gamma -rays _{ 26 }^{ 55 }Fe + _{ -1 }e (k-shell) longrightarrow _{ 25 }^{ 55 }Mn + gamma -rays It was predicted by Yukawa in 1936 and was actually observed by Alvarez in 1938.

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[indhuj]

Today seminar this question thank you so much brother

[VikramKumarVKB]

But according to Heisenberg uncertainty theory .. electron cannot stay inside nucleus.... then what happen to Themis electron when caltured