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Results tagged with pair-production
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user 50583
Pair production is the creation of an elementary particle and its antiparticle out of a neutral boson, typically a photon, but sometimes a gluon.
1
vote
Pair production: photon collides with an electron
Nothing happens to it.
The electron - or the nucleus or whatever other object that interacts with the photon to make pair production possible - just participates for momentum conservation, since a si …
- 129k
3
votes
Accepted
Pair annihilation - can annihilation be moderated?
Within current quantum field theory, it does not make sense to ask "how long" a particular process takes to occur. There is a certain probability that a particle and its antiparticle annihilate. But t …
- 129k
29
votes
How does gamma-gamma pair production really work?
Quantum field theory does not offer a description of "how" its processes work, just like Newtonian mechanics doesn't offer an explanation of "how" forces impart acceleration or general relativity an e …
- 129k