What is the World Made Of?: Atoms, Leptons, Quarks, and Other Tantalizing ParticlesAn explanation for non-scientists of the research and discoveries of 20thcentury physicists, such as quantum theory, relativity theory, electrons and hadrons. |
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accelerated alpha particle antiparticle antiquark atoms baryon number beam beta decay binding energy bubble chamber called charged particles cles collisions conservation laws constituents containing cross section detect determined elec electric charge electric force electromagnetic interactions element emission emitted energy and momentum equal ergy example excited exclusion principle exist fission hadrons half-life Heisenberg's relation high-energy hydrogen hypercharge involving isotopes K mesons kinetic energy known large number leptons magnetic forces mass matter measured mesons metastable motion moving muon negative pion neutral pion neutrino neutron neutron and proton Newtonian mechanics Newtonian physics nuclear force nucleons nucleus objects observed occur orbital angular momentum phenomena physicists pion positron possible potential energy produced properties proton quantities quantum mechanics quark model radioactive rays reactions relativity theory rest energy result scattering strong interactions subatomic particles symmetry tion total energy trons types of quarks velocity virtual transitions wave wavelength weak interactions zero