In this model when electron and proton collide, there can be gravitation energy, heat and EMW being released, but they are not matter/anti-matter pair.
If anti-matters are of negative time (\(time\,\,speed=-c\)), ie that they travel along the time dimensions in the negative direction, then their existence is only in transient as they would relatively zoom past anything with positive time speed at twice the speed of light (\(2c\)).
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