The proton is a composite particle made up of fundamental building blocks of quarks and gluons. These components and their interactions determine the proton's structure, including its electrical charges and currents. This structure deforms when exposed to external electric and magnetic (EM) fields, a phenomenon known as polarizability. The EM polarizabilities are a measure of the stiffness against the deformation induced by EM fields. By measuring the EM polarizabilities, scientists learn about the internal structure of the proton.
from General Physics News - Science News, Physics News, Physics, Material Sciences, Science https://ift.tt/ZP8BjKw
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