{"paper":{"title":"Investigating Cosmological Models and the Hubble Tension using Localized Fast Radio Bursts","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.CO","authors_text":"Fulvio Melia, Jun-Jie Wei","submitted_at":"2023-08-11T02:55:30Z","abstract_excerpt":"We use the dispersion measure (DM) and redshift measurements of 24 localized fast radio bursts (FRBs) to compare cosmological models and investigate the Hubble tension. Setting a flat prior on the DM contribution from the Milky Way's halo, $\\mathrm{DM_{halo}^{MW}}\\in[5,\\;80]\\;\\mathrm{pc\\;cm^{-3}}$, the best fit for flat $\\Lambda$CDM is obtained with a Hubble constant $H_0=95.8^{+7.8}_{-9.2}\\;\\mathrm{km\\;s^{-1}\\;Mpc^{-1}}$ and a median matter density $\\Omega_{\\mathrm{m}}\\approx0.66$. The best fit for the $R_{\\mathrm{h}}=ct$ universe is realized with $H_0=94.2^{+5.6}_{-6.2}\\;\\mathrm{km\\;s^{-1}\\;"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.05918","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/2308.05918/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"}