![]() ![]() This is when their kinetic energy is transformed to Bremsstrahlung radiation. When the fast electrons, protons or heavier ions collide with the atoms of the solid material, they slow down or completely stop. The electron then falls back to its original energy level, releasing the extra energy in the form of a light photon. This can only happen if the energy level of the photon matches the energy difference between the two electron levels. When a photon collides with another atom, the atom may absorb the photon’s energy causing an electron to jump to a higher energy level. It is when particles with high energy (ex: electrons, protons or heavier ions) or photons hit the surface of a solid material (ex: metal) that x-rays are produced. X-rays can be produced in several ways: by the movement of electrons in atoms or by transformation of kinetic energy to Bremsstrahlung radiation.
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