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Annihilation, in physics, reaction in which a particle and its antiparticle collide and disappear, releasing energy. The most common annihilation on Earth occurs between an electron and its antiparticle, a positron.
In particle physics, annihilation is the process that occurs when a subatomic particle collides with its respective antiparticle to produce other particles, such as an electron colliding with a positron to produce two photons.
The term "annihilate" literally means "turn into nothing". However, when a particle and antiparticle collide, they clearly do not turn into nothing; they simply transform into different particles.
Feb 15, 2022 · Annihilation occurs when a bit of matter meets up with its corresponding bit of antimatter. What happens is not destruction; it’s transformation. What emerges on the other side of the annihilation process is a new pair of particles.
5 days ago · Arrival Annihilation is a term where something incredible happens, on the other hand, Arrival Annihilation is a story of science in which science learns to speak the language of aliens who came on the earth and we can say that this is the special kind of language science.
Annihilation is the point where two particles converge such that there is complete wave amplitude cancellation. The particles have completely minimized their amplitude (A=0). They cannot be detected with electromagnetic instruments, thus we believe these particles have disappeared.
The annihilation process (1) is an example of mass being converted into energy, whereas (2) exemplifies energy being converted into mass—the creation of new particles from energy alone (in this case, the kinetic energy of e- and e+ ). Relativity allows reactions like these to happen, whereas Newtonian mechanics does not.
