Question about radiation and matter

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Is it true that when I'll make matter from enough radiation power, anti-matter will be formed automatically?
 
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I don't understand the process you are describing.

However, in general, there are processes called pair production, where under the right circumstances a high energy photon gets converted into a matter anti-matter pair. The simplest example is a photon (gamma ray) with energy > 1.022 Mev (in the presence of a nucleus - momentum conservation) will become an electron positron pair.
 
That's exactly the answer I looked for, I just didn't know how to express my question in words' thanks a lot.
 

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