{"paper":{"title":"Speed Variations of Cosmic Photons and Neutrinos from Loop Quantum Gravity","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.HE","gr-qc"],"primary_cat":"hep-ph","authors_text":"Bo-Qiang Ma, Hao Li","submitted_at":"2022-12-08T12:01:11Z","abstract_excerpt":"Recently a series of analyses on the flight time of cosmic photons and neutrinos suggests that the speed of light \\emph{in vacuo} takes the energy-dependent form $v(E)\\simeq 1-E/E_{\\text{LIV}}^{\\gamma }$ with $E_{\\text{LIV}}^{\\gamma }\\approx 3.6\\times 10^{17}~\\text{GeV}$, and meanwhile the speed of neutrinos is proposed to be $v(E)\\simeq 1\\pm E/E_{\\text{LIV}}^{\\nu }$ with $E_{\\text{LIV}}^{\\nu }\\approx 6.5\\times 10^{17}~\\text{GeV}$ and $\\pm {}$ representing the helicity dependence. This novel picture immediately urges us to provide a satisfactory theoretical explanation. Among all the attempts "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.04220","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/2212.04220/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"}