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प्रश्न
What is 'Pair production'?
उत्तर
An electron and a positron are produced when an intense γ-ray photon strikes a heavy material. One of the substance's nuclei is responsible for absorbing the photon. Pair creation is the term used to describe this process of energy being transformed into mass.
Equation: \[\ce{\underset{(γ-Photon)}{γ} = \underset{(Electron)}{_-1β^0} + \underset{(Positron)}{_+1β^0}}\]
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