Higgs Boson

Elementary particle in the Standard Model giving mass to fundamental particles.

Core Principles & Analysis

• Gives mass to fundamental particles via the Higgs mechanism.
• Discovered at CERN's Large Hadron Collider in 2012.
• Has zero spin and positive parity.

Specifications & Metrics

• MASS: 125.13 ± 0.11 GeV/c²
• SPIN: 0
• SYMBOL: H⁰
• DECAY WIDTH: 3 +1.5 −0.7 MeV
• PDG ID: S126
• PDG EDITION: PDG 2026
• CHARGE: 0 (neutral)

Principal Decay Modes

• H → W W* — 25.7 ± 2.5%
• H → Z Z* — 2.80 ± 0.30%
• H → gamma gamma — 0.250 ± 0.020%
• H → b bbar — 53 ± 8%
• H → mu+ mu- — 0.030 ± 0.009%

Branching fractions: Particle Data Group, 2026 edition (CC BY 4.0).

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