matter cannot be created or destroyed
https://en.m.wikipedia.org/wiki/Pair_production#:~:text=Pair production is the creation,positron pair near a nucleus.
The ‘Igon Value’ effect
https://en.m.wikipedia.org/wiki/Pair_production#:~:text=Pair production is the creation,positron pair near a nucleus.
The ‘Igon Value’ effect