@article{article, title  = {{Upper limits on the isotropic gravitational-wave background from the first part of LIGO, Virgo, and KAGRA’s fourth observing run}},

 publisher = {{American Physical Society (APS)}},

 url = {{https://eprints.whiterose.ac.uk/id/eprint/244860 https://doi.org/10.1103/wq57-sjt2 }},

 year = {{2026}},

 month = {{8}},

 author = {{Abac AG and Abouelfettouh I and Acernese F and Ackley K and Adamcewicz C and Adhicary S and Adhikari D and Adhikari N and Adhikari RX and Adkins VK and Afroz S et al}},

 doi = {{10.1103/wq57-sjt2}},

 volume = {{114}},

 journal = {{Physical Review D}},

 issue = {{4}},

 note = {{Accessed on 2026/09/09}}}