{"paper":{"title":"JUNO's Impact on the Neutrino Mass Ordering from Lorentz Invariance Violation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"Including Lorentz invariance violation in JUNO data analysis shifts the preferred neutrino mass ordering to inverted.","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Cesar Bonilla, Supriya Pan, Tatiana Araya-Santander","submitted_at":"2025-12-12T05:12:27Z","abstract_excerpt":"We explore the potential of the Jiangmen Underground Neutrino Observatory (JUNO) to probe new physics by searching for Lorentz-invariance violation (LIV). Using the 59.1-day dataset recently released by this experiment, we analyze neutrino oscillations to place new constraints on the LIV parameters in the CPT-even ($c_{ee} - c_{e\\mu}$, $c_{ee} - c_{e\\tau}$) and CPT-odd ($a_{ee} - a_{e\\mu}$, $a_{ee} - a_{e\\tau}$) sectors. Our analysis reveals a significant shift in the oscillation parameter space of $\\sin^2\\theta_{12}-\\Delta m^2_{21}$ when LIV is included; with the best-fit point for normal ord"},"claims":{"count":4,"items":[{"kind":"strongest_claim","text":"Our analysis reveals a significant shift in the oscillation parameter space of sin²θ12−Δm²21 when LIV is included; with the best-fit point for normal ordering moving to the higher values of the solar angle θ12, a strong preference emerges for inverted mass ordering.","source":"verdict.strongest_claim","status":"machine_extracted","claim_id":"C1","attestation":"unclaimed"},{"kind":"weakest_assumption","text":"The 59.1-day dataset is assumed sufficient to distinguish mass-ordering preferences once LIV parameters are added, without dominant unaccounted systematics or correlations that could mimic the reported shift.","source":"verdict.weakest_assumption","status":"machine_extracted","claim_id":"C2","attestation":"unclaimed"},{"kind":"one_line_summary","text":"Fitting JUNO data with Lorentz invariance violation included moves the preferred neutrino mass ordering to inverted and sets new upper limits on CPT-even and CPT-odd LIV parameters.","source":"verdict.one_line_summary","status":"machine_extracted","claim_id":"C3","attestation":"unclaimed"},{"kind":"headline","text":"Including Lorentz invariance violation in JUNO data analysis shifts the preferred neutrino mass ordering to inverted.","source":"verdict.pith_extraction.headline","status":"machine_extracted","claim_id":"C4","attestation":"unclaimed"}],"snapshot_sha256":"e2b60872e29e214f0359d4ebecd2138c78a388b889e2079e9d2306965c920835"},"source":{"id":"2512.11285","kind":"arxiv","version":3},"verdict":{"id":"aab01b9a-f791-4843-9360-8a80ec013916","model_set":{"reader":"grok-4.3"},"created_at":"2026-05-16T23:31:54.763816Z","strongest_claim":"Our analysis reveals a significant shift in the oscillation parameter space of sin²θ12−Δm²21 when LIV is included; with the best-fit point for normal ordering moving to the higher values of the solar angle θ12, a strong preference emerges for inverted mass ordering.","one_line_summary":"Fitting JUNO data with Lorentz invariance violation included moves the preferred neutrino mass ordering to inverted and sets new upper limits on CPT-even and CPT-odd LIV parameters.","pipeline_version":"pith-pipeline@v0.9.0","weakest_assumption":"The 59.1-day dataset is assumed sufficient to distinguish mass-ordering preferences once LIV parameters are added, without dominant unaccounted systematics or correlations that could mimic the reported shift.","pith_extraction_headline":"Including Lorentz invariance violation in JUNO data analysis shifts the preferred neutrino mass ordering to inverted."},"references":{"count":34,"sample":[{"doi":"10.1103/physrevd.110.030001.url:https://link.aps.org/doi/","year":2024,"title":"Review of Particle Physics","work_id":"6c53393d-b6cf-4c29-a54b-5b7b3ea5caaf","ref_index":1,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2025,"title":"A New Lepton - Quark Mass Relation in a Unified Theory","work_id":"b1d5f969-e564-415f-967d-662ba96cefb8","ref_index":2,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"10.1140/epjc/s10052-","year":2020,"title":"Shadows and thin accretion disk images of theγ-metric,","work_id":"a2dfea1d-cc9f-4fc5-9dee-a95e25aa43c8","ref_index":4,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"10.1140/epjc/s10052-021-09598-4","year":2021,"title":"Looking for Lorentz invariance violation (LIV) in the latest long baseline accelerator neutrino oscillation data","work_id":"420d3664-a881-4bde-8b0f-7b8c7b66da37","ref_index":5,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"10.1103/physrevd.107.075036","year":2023,"title":"Distinguishing nonstandard interaction and Lorentz invariance violation at the Protvino to super-ORCA experiment","work_id":"c749cae4-ab59-42db-8c4b-b8dca1a882ea","ref_index":6,"cited_arxiv_id":"","is_internal_anchor":false}],"resolved_work":34,"snapshot_sha256":"28e489b6730a49b2bb62b1d41361d0599a9b7b46742ebbdecca10a4f4fe0bd5a","internal_anchors":2},"formal_canon":{"evidence_count":2,"snapshot_sha256":"7d0b8c7bf108fe82c522462057a44a2044cf26867f7b981f2a6e2af86120f84f"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}