Many of the values and parameters below are explained in more detail in the section Physics at LHC.

Some of the more important parameters.

• Particles used: Protons (in proton- proton collisions) and heavy ions (Lead 82+)

• Circumference: 26659 m.

• Injected beam energy: 450 GeV (protons)

• Nominal beam energy in physics: 7 TeV (protons)

• Magnetic field at 7 TeV: 8.33 Tesla

• Operating temperature: 1.9 K

• Number of magnets: ~9300

• Number of main dipoles: 1232

• Number of quadrupoles: 858

• Number of correcting magnets: 6208

• Number of RF cavities: 8 per beam; Field strength at top energy ≈ 5 MV/m

• RF frequency: 400 MHz

• Revolution frequency: 11.245 kHz.

• Power consumption: ~180 MW

• Gradient of the tunnel: 1.4%

• Difference between highest and lowest points: 122 m.

The values presented here are essentially what the machine presents, but repairs, improvements and upgrades during long shutdown (LS) cause some of them to vary slightly.

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