Top quark
tLegendaryReal particle, observed in experiments
Fact from the codex
About as heavy as a gold atom. Decays before it can bind – the only “bare” quark.
Data
- Appears from ring
- Ring 1 · LHC ring
- Rarity
- Legendary
- Mass
- 172.6 GeV
- Threshold
- 172.6 GeV
- Base rate
- 0.0015 %
- Boosted by
- Vertex detector
- Resonance
- Tunable as a resonance from ring 7
- Source
- PDG 2026, Review of Particle Physics, Summary Tables (pdg.lbl.gov/2026)
27 km circumference
per collision, before threshold factor and detector boost
×1.12 frequency per level (+12 %)
