TY - JOUR T1 - Observation of a cross-section enhancement near the t t ¯ production threshold in s = 13  TeV pp collisions with the ATLAS detector JO - Reports on Progress in Physics UR - https://eprints.whiterose.ac.uk/id/eprint/244542 UR - https://doi.org/10.1088/1361-6633/ae60a0 PY - 2026/05/07 AU - ED - DO - DOI: 10.1088/1361-6633/ae60a0 PB - IOP Publishing VL - 89 IS - 5 SP - 057801 EP - 057801 Y2 - 2026/08/25 ER -