3 November 2015
- LHC stands forĀ Large Hadron Collider
- ‘Large’ refers to LHC’s size: it has a circumference of about 27 km.
- Hadron refers to the protons (hydrogen nuclei) the LHC accelerates Protons consist of quarks; hadron is the umbrella term for all particles built up from quarks
- ‘Collider’ refers to the proton beams circulating in opposite directions that collide with each other at four locations.