Decay energy

All you want to know about Decay energy

The decay energy is the energy released by a nuclear decay.

The energy difference of the reactants is often written as Q:

where Q = (rest mass)_after *c² - (rest mass)_before * c² or Q = (kinetic energy)_After - (kinetic energy)_before.

Decay energy is usually quoted in terms of the energy units MeV (million electronvolts) or KeV (thousand electronvolts).

Types of radioactive decay include

gamma ray
beta decay (decay energy is divided between the emitted electron and the invisible neutrino which is emitted at the same time)
alpha decay

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