TY - JOUR T1 - Measurement of Charged-Particle Production in s NN = 9.62 TeV Proton-Oxygen Collisions as a Probe of Cosmic-Ray Air Showers with the ATLAS Detector JO - Physical Review Letters UR - https://doi.org/10.1103/f3nk-5lt9 PY - 2026/09/14 AU - Aad G AU - Aakvaag E AU - Abbott B AU - Abdelhameed S AU - Abeling K AU - Abicht NJ AU - Abidi SH AU - Aboelela M AU - Aboulhorma A AU - Abramowicz H AU - Acharya BS et al ED - DO - DOI: 10.1103/f3nk-5lt9 PB - American Physical Society (APS) VL - 137 IS - 12 Y2 - 2026/09/21 ER -