{"paper":{"title":"Covariant field with unique mass and spin 3/2","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.gen-ph","authors_text":"Ion I. Cotaescu","submitted_at":"2026-05-26T06:59:37Z","abstract_excerpt":"We present the explicit theory of eight-dimen\\-sional massive covariant fields with single spin $\\frac{3}{2}$ transforming according to the representation $(\\frac{3}{2},0)\\oplus(0, \\frac{3}{2})$ of the group $SL(2,\\mathbb{C})$. This is done starting with the reducible representation $(1,0)\\otimes(\\frac{1}{2},0)$ instead of the irreducible one $(1,\\frac{1}{2})=(1,0)\\otimes(0,\\frac{1}{2})$ we meet in Rarita-Schwinger or Joss-Weinberg setups. The resulting $12$-component covariant field transforming according to the representation $[(1,0)\\otimes(\\frac{1}{2},0)]\\oplus [(0,1)\\otimes(0, \\frac{1}{2})"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.28877","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/2605.28877/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"}