neutrino (electron neutrino) 

https://doi.org/10.1351/goldbook.N04115
An elementary particle of negligible mass and zero electric charge. There are also a muon neutrino and tau neutrino.
Source:
Green Book, 2nd ed., p. 93 [Terms] [Book]
Citation: 'neutrino' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.N04115 RIS BibTex EndNote
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Last revised: February 24, 2014