{"paper":{"title":"Constraints on primordial non-Gaussianity from the cross-correlation of DESI Luminous Red Galaxies and $Planck$ CMB lensing","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A. de la Macorra, A. J. Ross, A. Krolewski, A. Meisner, Arjun Dey, B. A. Weaver, C. Hahn, C. Howlett, C. Y\\`eche, D. Bianchi, D. Brooks, D. Kirkby, D. Rabinowitz, D. Schlegel, D. Sprayberry, E. Burtin, E. Chaussidon, E. Gazta\\~naga, E. Sanchez, F. Prada, G. Farren, G. Gutierrez, G. Niz, G. Rossi, G. Tarl\\'e, I. P\\'erez-R\\`afols, J. A. Newman, J. E. Forero-Romero, J. Moustakas, J. R. Bermejo-Climent, K. Honscheid, L. Le Guillou, M. E. Levi, M. Landriau, M. Manera, M. Rezaie, M. White, N. Palanque-Delabrouille, P. Doel, P. Zarrouk, R. Demina, R. Kehoe, R. Miquel, S. Ahlen, S. Bailey, S. Ferraro, S. Gontcho A Gontcho, T. Claybaugh, T. Kisner, W. J. Percival","submitted_at":"2024-12-13T17:00:53Z","abstract_excerpt":"We use the angular cross-correlation between a luminous red galaxy (LRG) sample from the Dark Energy Spectroscopic Instrument (DESI) Legacy Survey data release DR9 and the $Planck$ cosmic microwave background (CMB) lensing maps to constrain the local primordial non-Gaussianity parameter, $f_{\\rm NL}$, using the scale-dependent galaxy bias effect. The galaxy sample covers approximately 40\\% of the sky, contains galaxies up to redshift $z \\sim 1.4$, and is calibrated with the LRG spectra that have been observed for DESI Year 1 (Y1). We apply a nonlinear imaging systematics treatment based on neu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.10279","kind":"arxiv","version":2},"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/2412.10279/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"}