Observation of the $γγ→ττ$ Process in $\mathrm{Pb}+\mathrm{Pb}$ Collisions and Constraints on the $τ$-Lepton Anomalous Magnetic Moment with the ATLAS Detector
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Author(s): G. Aad et al. (ATLAS Collaboration)This Letter reports the observation of τ-lepton-pair production in…