<Tr> <Td> Quarks (u, d, s) </Td> <Td> elementary </Td> <Td> Murray Gell - Mann, George Zweig (1964) </Td> <Td_colspan="2"> No particular confirmation event for the quark model . </Td> </Tr> <Tr> <Td> charm quark </Td> <Td> elementary (quark) </Td> <Td> 1970 </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> bottom quark </Td> <Td> elementary (quark) </Td> <Td> 1973 </Td> <Td> 1977 </Td> <Td> </Td> </Tr> <Tr> <Td> Weak gauge bosons </Td> <Td> elementary (quantum) </Td> <Td> Glashow, Weinberg, Salam (1968) </Td> <Td> CERN (1983) </Td> <Td> Properties verified through the 1990s . </Td> </Tr>

Subatomic particles other than protons neutrons and electrons