@cosmos4u@scicomm.xyz2025-07-23 15:43:50
Observation of a cross-section enhancement near the #toponium production threshold in sqr(s) = 13 TeV pp collisions with the ATLAS detector: https://cds.cern.ch/record/2937636?ln=en -> Suddenly Visible - New Particle Challenges Long-Held Assumptions: https://www.uni-hamburg.de/en/newsroom/presse/2025/pm28.html