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Continue to ChatFirst measurement of the underlying event activity at the LHC with √ = 0.9 TeV - https://avesis.yildiz.edu.tr/yayin/24b56f59-cb33-4be3-a2f2-6cdfc5e952b3/first-measurement-of-the-underlying-event-activity-at-the-lhc-with-0-9-tev