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Is it practically possible to accumulate electrons and positrons in a region of space? If yes, is it easy or are there some daunting challenges behind it?

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  • $\begingroup$ It’s possible. But they should be separated only by ‘fields’. This can include electric fields. Because even if the positron comes into contact with any mass particle it will annhilate. $\endgroup$ – physics2000 Mar 19 '18 at 12:34
  • $\begingroup$ I understand its theoretically possible. But has anyone succeeding in accumulating positrons and electrons separately in laboratory? $\endgroup$ – N.G.Tyson Mar 19 '18 at 12:38
  • $\begingroup$ look up for the artificial production part in the positron article of Wikipedia $\endgroup$ – physics2000 Mar 19 '18 at 12:42

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