{"paper":{"title":"Exploring HOD-dependent systematics for the DESI 2024 Full-Shape galaxy clustering analysis","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A. de la Macorra, A. de Mattia, A. Dey, A. Font-Ribera, A. Meisner, A. Rocher, B. A. Weaver, C. Garcia-Quintero, C. Hahn, C. Howlett, D. Bianchi, D. Brooks, D. Schlegel, D. Sprayberry, E. Gazta\\~naga, E. Sanchez, G. Gutierrez, G. Rossi, G. Tarl\\'e, H. Gil-Mar\\'in, H. Seo, I. P\\'erez-R\\`afols, J. E. Forero-Romero, J. Mena-Fern\\'andez, J. Moustakas, K. Fanning, K. Honscheid, M. E. Levi, M. Schubnell, M. Vargas-Maga\\~na, N. Findlay, N. Palanque-Delabrouille, O. Alves, P. Doel, P. Zarrouk, R. Miquel, S. Ahlen, S. Cole, S. Juneau, S. Nadathur, T. Claybaugh, W. J. Percival","submitted_at":"2024-11-18T20:03:36Z","abstract_excerpt":"We analyse the robustness of the DESI 2024 cosmological inference from the full shape of the galaxy power spectrum to uncertainties in the Halo Occupation Distribution (HOD) model of the galaxy-halo connection and the choice of priors on nuisance parameters. We assess variations in the recovered cosmological parameters across a range of mocks populated with different HOD models and find that shifts are often greater than 20% of the expected statistical uncertainties from the DESI data. We encapsulate the effect of such shifts in terms of a systematic covariance term, $\\mathsf{C}_{\\rm HOD}$, an"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.12023","kind":"arxiv","version":4},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2411.12023/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}