Particle Physics - FSU Physics Department
Particle Physics - FSU Physics Department
Particle Physics - FSU Physics Department
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Standard Model<br />
A theoretical model of<br />
interactions of elementary<br />
particles, based on quantum field<br />
theory<br />
Symmetry:<br />
• SU(3) x SU(2) x U(1)<br />
“Matter particles”<br />
• Quarks: up, down,<br />
charm,strange, top, bottom<br />
• Leptons: electron, muon, tau,<br />
neutrinos<br />
“Force particles”<br />
• Gauge Bosons<br />
o<br />
o<br />
o<br />
γ (electromagnetic force)<br />
W ± , Z (weak, electromagnetic)<br />
g gluons (strong force)<br />
Higgs boson<br />
• spontaneous symmetry<br />
breaking of SU(2)<br />
• mass<br />
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