Do elementary particles have a color?

(ORDO NEWS) — It may seem that color is an inherent property of any matter, but in fact, color is the result of a process, in particular the interaction of matter with light.

In the atom that makes up matter, electrons revolve around the nucleus and absorb light energy coming from outside. This gives the electrons additional energy, allowing them to move to higher energy levels.

This transition to a new energy level is called the “excited state”, which is usually unstable. Electrons, in order to return to their original state, are forced to get rid of excess energy received, and they do this by emitting light at certain wavelengths, which allows our eyes and brain to interpret it as a certain color.

However, a single electron – and any other elementary particle – is responsible only for the absorption and emission of light energy, and therefore does not have any specific color.

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