4 ms·
They're not 'negative mass' particles, they are anti-particles, which have the same (positive) mass as the normal particle, but opposite charge.
by grkvlt 13y ago
They're not 'negative mass' particles, they are anti-particles, which have the same (positive) mass as the normal particle, but opposite charge.
- xerophtye 13y agowell by his definition they HAVE to be negative mass. Because when these particles unite, they end up having ZERO mass, energy, entropy etc. So all of their properties must be inverses of each other, including mass