Word: universon
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...origin of matter assume only the asymmetric creation of nucleons (protons and neutrons). But what about the creation of anti-nucleons (antiprotons and anti-neutrons)? To preserve symmetry, Goldhaber postulates that all matter-positive and negative-may be traced to an unstable, giant particle that he calls the "universon." At some dawn of time this particle split into a positively charged "cosmon" and a negatively charged "anti-cosmon," much like a fundamental particle, e.g., a heavy meson, disintegrating automatically into two oppositely charged particles. Energy released by the split shoved apart the cosmon and anti-cosmon at tremendous speeds...
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