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animagaletix
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Or, more specifically, what determinates the frequency of the photons emitted by a such a collision. I know that the number of photons produced depends on the spin and energy states of the initial particles.
And spin and parity.mfb said:Energy and momentum conservation.
There is always enough energy to produce neutrino/antineutrino pairs, of three flavour options, or gravitons.mfb said:The collision does not have to produce gamma rays, other products are possible if the energy is sufficient,
An electron-positron collision is a type of subatomic particle interaction where an electron and a positron (the antimatter counterpart of an electron) come into contact and annihilate each other, releasing energy in the form of gamma rays.
According to the laws of physics, when an electron and a positron collide, they can only produce energy in the form of gamma rays. This is due to the conservation of energy and momentum, where the total energy and momentum before and after the collision must remain the same.
During an electron-positron collision, the particles annihilate each other and their mass is converted into pure energy in accordance with Einstein's famous equation E=mc². This energy is then released in the form of gamma rays, which are high-energy photons.
Electron-positron collisions and the resulting gamma rays are important for understanding the fundamental properties of matter and energy. They are also used in many fields of science, such as particle physics, astrophysics, and medical imaging.
While electron-positron collisions do occur naturally, they are rare and difficult to observe. They are more commonly created in controlled environments, such as particle accelerators, where scientists can study their properties and behavior.