{"paper":{"title":"Baryon acoustic oscillations at z = 2.34 from the correlations of Ly$\\alpha$ absorption in eBOSS DR14","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Andreu Font-Ribera, An\\v{z}e Slosar, Axel de la Macorra, Christophe Balland, Christophe Y\\`eche, Donald P. Schneider, H\\'elion du Mas des Bourboux, Ignasi P\\'erez-R\\`afols, James Rich, Jean-Marc Le Goff, Julian E. Bautista, Julien Guy, Kyle Dawson, Matthew M. Pieri, Michael Blomqvist, Nathalie Palanque-Delabrouille, Nicol\\'as G. Busca, Victoria de Sainte Agathe, Will J. Percival","submitted_at":"2019-04-06T09:39:23Z","abstract_excerpt":"We measure the imprint of primordial baryon acoustic oscillations (BAO) in the correlation function of Ly$\\alpha$ absorption in quasar spectra from the Baryon Oscillation Spectroscopic Survey (BOSS) and the extended BOSS (eBOSS) in Data Release 14 (DR14) of the Sloan Digital Sky Survey (SDSS)-IV. In addition to 179,965 spectra with absorption in the Lyman-$\\alpha$ (Ly$\\alpha$) region, we use, for the first time, Ly$\\alpha$ absorption in the Lyman-$\\beta$ region of 56,154 spectra. We measure the Hubble distance, $D_H$, and the comoving angular diameter distance, $D_M$, relative to the sound hor"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.03400","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/1904.03400/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"}