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Data taking of proton-proton collisions with the world’s highest energy of 13.6 TeV has started at the LHC experiment

The LHC experiment at CERN has started its data taking of proton-proton collisions at a center-of-mass energy of 13.6 TeV (Run 3). This energy is the world's highest energy beyond Run 2.

Run 3 operation has been resumed operation after more than three years of upgrade work on both the accelerator and the particle detector. Our group has greatly contributed to the maintenance and upgrade of muon detectors and trigger system as members of the LHC-ATLAS collaboration.

The accelerator tuning will be continued further such that we will be able to double the current data statistics by the end of the Run 3. Our group will continue to take a lead in the detector operation to achieve the goal. Please look forward to future analysis results using the data obtained from the beam collisions at the world’s highest energy.

The exciting time of the first stable beam collision at 13.6 TeV was broadcasted live from the control rooms at CERN. You can also watch the fantastic moment through an archived video at this link. See the official CREN article for more details.

I've been involved in trigger upgrades for Run 3 since I was a master's student, so I'm very impressed with the start of Run 3. I think this is the result of the utmost efforts on both the accelerator side and the experimental side in the difficult situation where it is difficult for people to get together and work due to the covid-19 pandemic. I will continue to actively participate in the operation as a member of the ATLAS experiment collaborator and contribute to the experiment.

Moe Wakida (Graduate School of Science)


N-lab students working underground to upgrade the muon detector


Live streaming at the start of Run3 (archive)

(Video: CERN)

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