TY - JOUR T1 - Model-independent test of prerecombination new physics: measuring the sound horizon with gravitational wave standard sirens and the baryon acoustic oscillation angular scale JO - Physical Review Letters UR - https://eprints.whiterose.ac.uk/id/eprint/230893 PY - 2025/08/14 AU - Giarè W AU - Betts J AU - van de Bruck C AU - Di Valentino E ED - DO - DOI: 10.1103/k6mg-g23d PB - American Physical Society (APS) VL - 135 IS - 7 Y2 - 2026/01/11 ER -