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A proton is a positively charged particle which is generally considered to be a composite particle comprising of three quarks interacting through the strong force (e.g. in the standard model.)

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Penning trap with positrons: observing annihilations?

Has a single positron been deliberately put into contact with an electron to observe the results? If so, does the annihilation occur only when the two particles "touch" or is the definition of where t …
releseabe's user avatar
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0 votes
4 answers
365 views

When a photon is absorbed by a particle like an electron or a proton, is capacity for furthe...

If there is a limit beyond 1 (maybe protons can absorb 2 and electrons only one), how is the fact that one photon has been absorbed make itself evident? …
releseabe's user avatar
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1 vote
3 answers
111 views

How do we know charge is only positive and negative? [duplicate]

Could there be a charge different than that of a proton and that of an electron? Could there be a third type of charge that is not repulsed or attracted by either an electron's charge or a proton's ch …
releseabe's user avatar
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22 votes
5 answers
8k views

Can an electron and a proton be artificially or naturally merged to form a neutron?

Anyway, is there some way to simply shoot a stream of electrons at hydrogen ions (which I think are easy to make and are just protons) and observe, if you do it fast enough and in a great enough volume …
releseabe's user avatar
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1 vote
1 answer
53 views

Do the parts of proton move around and in that sense all protons, unlike electrons, are not ... [duplicate]

Two different protons could be in a different state because of its parts "moving" in some sense? …
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