Konstantin Sukharnikov Scientific instrumentation

A hobby. An independent overview compiled from public sources by a science and space enthusiast. I am not involved in these missions or facilities; my own work is detector electronics at European XFEL. My projects →

Facility · Particle physics

LHC / HL-LHC

13.6 TeV proton collider; high-luminosity upgrade

Status
Long shutdown
Location
CERN, Geneva (Switzerland and France)
Operator
CERN
Next
Jun 2030 HL-LHC starts (Run 4)

Summary

The largest collider. The High-Luminosity LHC will increase the integrated luminosity about tenfold, with new Nb₃Sn quadrupoles, crab cavities and upgraded ATLAS and CMS detectors.

Now as of 4 Nov 2026

Run 3 is over, and Long Shutdown 3 began at the LHC on 29 June 2026. The LHC stops for 47 months; the injectors ran until September 2026. HL-LHC (Run 4) is due to start in June 2030 (CERN, CERN ATS News).

Key dates

  1. 29 Jun 2026LS3 begins at the LHCdone
  2. Sep 2026LS3 work begins on the injectorsdone
  3. Jun 2030HL-LHC starts (Run 4)planned