{"paper":{"title":"Cosmology from Planck CMB Lensing and DESI DR1 Quasar Tomography","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A. Cuceu, A. de la Macorra, A. Font-Ribera, A. J. Ross, A. Kremin, A. Krolewski, A. Lambert, A. Meisner, A. Tamone, B. A. Weaver, B. Hadzhiyska, Biprateep Dey, C. Lamman, C. Ravoux, D. Bianchi, D. Brooks, D. Kirkby, D. Schlegel, D. Sprayberry, E. Chaussidon, E. Gazta\\~naga, E. Sanchez, F. Prada, G. Farren, G. Gutierrez, G. Niz, G. Rossi, G. Tarl\\'e, H. K. Herrera-Alcantar, H. Seo, H. Zou, I. P\\'erez-R\\`afols, J. Aguilar, J. Della Costa, J. E. Forero-Romero, J. Guy, J. Silber, K. Honscheid, L. Le Guillou, M. E. Levi, M. Ishak, M. Landriau, M. Manera, M. Schubnell, N. Palanque-Delabrouille, N. Sailer, O. Lahav, P. Doel, P. Martini, R. de Belsunce, R. Joyce, R. Kehoe, R. Miquel, R. Zhou, S. Ahlen, S. Chiarenza, S. Ferraro, S. Gontcho A Gontcho, S. Juneau, S. Nadathur, T. Claybaugh, T. Kisner, W. J. Percival","submitted_at":"2025-06-27T17:42:59Z","abstract_excerpt":"We present a measurement of the amplitude of matter fluctuations over the redshift range 0.8 <= z <= 3.5 from the cross correlation of over 1.2 million spectroscopic quasars selected by the Dark Energy Spectroscopic Instrument (DESI) across 7,200 deg$^2$ (approx 170 quasars/deg$^2$) and Planck PR4 (NPIPE) cosmic microwave background (CMB) lensing maps. We perform a tomographic measurement in three bins centered at effective redshifts z=1.44, 2.27 and 2.75, which have ample overlap with the CMB lensing kernel. From a joint fit using the angular clustering of all three redshift bins (auto and cr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.22416","kind":"arxiv","version":1},"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/2506.22416/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"}