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    Proton and neutron

    This is impossible, the mass of the proton is 1.67262158 × 10-27 kilograms, while the mass of the electron is 9.10938188 × 10-31 kilograms. This means that the proton has a mass more than 10^4 times that of the electron.
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    Can 1 photon become 2 pairs?

    Decays must always conserve momentum, in fact it led to the discovery of the neutrino. In beta decay of elements with unstable proton/neutron ratios, depending on whether the ratio is higher or lower than the stable ratio, the nucleus of the element will either decay its protons or neutrons...
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    Can 1 photon become 2 pairs?

    You would need for two energetic photons (gamma) to collide head on (to conserve momentum) in order to create an electron/positron pair. The opposite happens when the pair anihhilate...two gamma rays are emitted in opposite directions.
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    Gravity and anti-matter

    Thats cool, im not gonna argue with ya, because i myself dont know nearly as much as others on this site, im still in high school, 17 years old. :P
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    Gravity and anti-matter

    To make it very short, anti-matter and matter are exactly the same except their charge, antiprotons and protons for example have teh exact same mass, and every other property is the same except their net charge. Photons emitted from antimatter are exactly the same as photons from matter, an...
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