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Nuclear & Particle Physics

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Nuclear & Particle Physics

Q-Value

The net amount of energy released or absorbed during a nuclear reaction or radioactive decay process.

Q = (m_reactants - m_products) c² MeV (Mega-electronvolts)
Nuclear & Particle Physics

Quantum Chromodynamics (QCD)

The relativistic quantum field theory describing the strong nuclear interaction between color-charged quarks and gluons.

L_QCD = q̄ (i γ^μ D_μ - m) q - ¼ G^a_μν G^a,μν Non-Abelian Gauge Theory
Nuclear & Particle Physics

Quark Flavor

The quantum property that distinguishes the six fundamental types of quarks in the Standard Model.

6 Flavors: u, d, c, s, t, b Quantum Numbers (S, C, B, T)
Nuclear & Particle Physics

Quarks

Fundamental spin-1/2 elementary particles that experience all four fundamental interactions and combine via the strong force to form…

q = +⅔ e (u, c, t), q = -⅓ e (d, s, b) Fractional Elementary Charge e