Document Type

Conference Paper/Presentation


International Student Science Fair (ISSF) 2019 - March 18-22, 2019

Publication Date



Richard Cavanaugh, PhD; Fermilab

Zhenbin Wu, PhD; Fermilab


Atoms are small particles that make up the world around us. The word “atom” came from the Greek word “atomos”, which means indivisible. However, atoms are not the smallest particle that we know of today. For example, atoms are all made up of neutrons, protons, and electrons, which then consist of smaller subatomic particles called elementary particles - shown on the left side of Figure 1.1.



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