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Collider

Proton

pUncommonReal particle, observed in experiments

Fact from the codex

Three quarks bound by gluons. Over 99% of its mass is binding energy, not quark mass.

Data

Appears from ring
Ring 1 · LHC ring

27 km circumference

Rarity
Uncommon
Mass
938.3 MeV
Threshold
938.3 MeV
Base rate
10 %

per collision, before threshold factor and detector boost

Boosted by
Tracker

×1.12 frequency per level (+12 %)

Resonance
Tunable as a resonance from ring 7
Source
PDG 2026, Review of Particle Physics, Summary Tables (pdg.lbl.gov/2026)

All particles

Event display of a Proton event, screenshot from the game.
Event display of a Proton event, screenshot from the game.