Contemporary Physics

absolute space absolute zero acceleration antineutrons antiparticle antiprotons atomic nucleus baryons beam behavior Bohr Brookhaven called century chamber Chapter chemical collision conservation crystal decay earth effect Einstein elec electric charge electromagnetic field electrons elementary particles emission emitted energy levels equations ether exactly example excited existence experiment experimental explain fact field theory Figure flash force frequency gravity heat helium-3 high-energy hydrogen atom idea inertial kaon kind known laboratory large number laser laws light liquid helium magnetic field mass mathematical matter measure ment meson metal molecules motion moving muon nature neutrino neutrons Newton nuclear nucleus objects observed periments phenomena physicists physics pion planets positrons possible predicted produced properties protons quantized quantum mechanics radiation reason recoil speed spin stars strong interactions structure superconductivity superfluid suppose surface symmetry temperature things ticles tion tron universe vibrate wave field wavelengths weak