TY - GEN T1 - Measurement of exclusive pion pair production in proton-proton collisions at $\sqrt{s}=$7 TeV with the ATLAS detector UR - http://dx.doi.org/10.1140/epjc/s10052-023-11700-x PY - 2022/12/01 AU - Collaboration ATLAS ED - Y2 - 2025/06/26 ER -