Now all evidence, including its mass, pointed to the conclusion that the neutron was a new elementary particle.
There were "certain arguments" in support of "the idea that the neutron is an elementary particle" (ibid.).
The available data show the numbers of postgraduate physics students in total but do not separately identify nuclear or elementary particle physics.
He is a leading theorist in high energy physics and works at the interface of elementary particle physics, string theory, and related mathematics.
Guth has researched elementary particle theory (and how particle theory is applicable to the early universe).
So far, no elementary particle with spin 3/2 has been found experimentally.
As a theoretical physicist, he worked on elementary particle physics and cosmology.
By performing statistical analysis of this data, knowledge about elementary particle physics is gained.
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