The Zeeman Effect
نویسنده
چکیده
When gaseous mercury is subjected to an electrical discharge, such as in a fluorescent light bulb, street lamp, or laboratory discharge tube, the collisions between the mercury atoms and the electrons are energetic enough to excite one of the 6s electrons to a higher energy state, while the remaining 79 electrons (including the other 6s electron) remain undisturbed. Depending upon which empty shell the excited 6s electron occupies, the excited electron will eventually return to successive lower energy states by emitting packets of light, called photons, whose energy reflects the energy difference between the two levels. That is,
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