Q value for neutron decay is: - Vidyadip

Question

$Q$ value for neutron decay is:

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Answer

For neutron decay, some mass disappears as neutrons convert to a proton, electron and antineutrino.
$Q = (m_n−m_{p}−m_{νˉ}−m_e)c^{2 }= 0.782MeV$

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