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Results tagged with atomic-physics
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user 211058
Atomic physics is the field of physics that studies atoms as an isolated system of electrons and an atomic nucleus. It is primarily concerned with the arrangement of electrons around the nucleus and the processes by which these arrangements change. This includes ions as well as neutral atoms and, unless otherwise stated, for the purposes of this discussion it should be assumed that the term atom includes ions.
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Collision of a photon with a quasi-free particle
What is a quasi-free proton?
How does the wavelength of a photon change when it collides with a quasi-free particle, e.g. a quasi-free proton?
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What is the meaning of natural line broadening?
I have recently found one exercise in an exercise book:
During the transition from the first excited state of a hydrogen atom into the ground state, photons with a wavelength of 121.5 nm are emitt …
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