CERN anticipates the first test beams will circulate in the LHC (Large Hadron Collider) at the end of September 2021, following scheduled shutdowns to allow important repair and upgrade work to take place.
The second long shutdown (LS2) of the largest vacuum installation on Earth, which began at the start of 2019, saw its scheduled modified due to the Covid-19 pandemic.
CERN said LS2 is devoted to preparations for Run 3 of the LHC, which will have an integrated luminosity (indicator proportional to the number of collisions) equal to the two previous runs combined, and for the High-Luminosity LHC (HL-LHC), the successor to the LHC, which will begin operation at the end of 2027.
To give the LHC’s main experiments – ATLAS, CMS, ALICE and LHCb – time to complete their own upgrade programmes, CERN said Run 3 of the LHC will begin at the start of March 2022.
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