The idea of the neutrino
@article{Brown1978TheIO, title={The idea of the neutrino}, author={L. Brown}, journal={Physics Today}, year={1978}, volume={31}, pages={23-28} }
During the 1920's physicists came to accept the view that matter is built of only two kinds of elementary particles, electrons and protons, which they often called “negative and positive electrons.” A neutral atom of mass number A and atomic number Z was supposed to contain A protons, all in the nucleus, and A negative electrons, A–Z in the nucleus and the rest making up the external electron shells of the atom. Their belief that both protons and negative electrons were to be found in the… CONTINUE READING
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