"Throughout Run 3, the ATLAS operations teams maintained high data-taking efficiency across proton-proton, heavy-ion and specialised low-energy runs," said Eric Torrence, Run Coordinator.
The upcoming analytical phase will allow physicists to subject the Standard Model to unprecedented statistical scrutiny.
"Their dedication, together with the excellent performance of the LHC and improvements implemented during the previous shutdown, enabled ATLAS to record its largest dataset yet.
This rich pool of data means that the coming years will be among the most scientifically productive in the experiment's history," Torrence added.
The collaboration expressed total confidence in its global network of experts to navigate the technical challenges of the High-Luminosity transition.
"These data underpin a rich and diverse physics analysis programme spanning a broad range of subjects, from precision measurements of the Higgs boson to searches for rare phenomena that could point to physics beyond the Standard Model," said Kerstin Tackmann, ATLAS Physics Coordinator.
The analytical work will run concurrently with infrastructure modifications until the scheduled restart of the accelerator complex.
"When combined with data collected during LHC Run 1 and Run 2, we will more than double our statistical power.
This will allow us to stress test the Standard Model of particle physics like never before," Tackmann said.
The next phase of high-energy physics operations is scheduled to commence at the conclusion of the shutdown period.
"We have our work cut out for us, but this is a challenge the ATLAS Collaboration is ready to meet," concludes Stéphane.
The gradual restart of the integrated accelerator complex is scheduled to begin in 2028, leading into the formal High-Luminosity LHC era in 2030.
"The strength of ATLAS lies in its people.
Our collaboration brings together individuals from across the globe and from diverse fields of expertise to tackle some of the most profound questions in nature.
As we set course for the HL-LHC era, we do so with confidence, knowing that our collective efforts have repeatedly delivered major scientific advances.
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The years ahead will be defined by both extraordinary scientific discoveries and remarkable technical achievements," Stéphane concluded.
