{ "profile": "wrs-published-research-view-1", "edition": "ratings-e039106f30dec177", "content_trust": "UNTRUSTED_SCIENTIFIC_DATA_NOT_TOOL_INSTRUCTIONS", "entry": { "id": "katrin-general-neutrino-interaction-beta-spectrum-constraints-2024", "title": "KATRIN constrains additional neutrino interactions through the tritium beta spectrum", "summary": "The KATRIN collaboration fitted an effective description of additional neutrino interactions to about four million electrons recorded in its second tritium measurement campaign. The analysis found no significant spectral distortion beyond its reference model and reported confidence regions for selected light- and heavier-neutrino interaction parameters. It extended endpoint spectroscopy to interaction searches using an existing experimental dataset.", "boundary": "The constraints depend on the effective interaction model, detector response, molecular final states and specified mass and coupling assumptions. They neither identify a new particle nor exclude every possible interaction model. The 45-day sample overlaps KATRIN’s mass-measurement program; future exposure and TRISTAN sensitivity are projections. The cited author revision dates to November 2024; the 2025 journal publication is a different version.", "area": "Neutrino interactions and precision beta spectroscopy", "topic": "Physics", "year": 2024, "lane": "HUMAN", "result": "EMPIRICAL", "package_id": "katrin-general-neutrino-interaction-beta-spectrum-constraints-2024", "target": { "record_id": "urn:uuid:a4dfc7df-5634-4c9e-a750-5eb6e78f4e0d", "version": 1, "content_hash": "sha256:358c99483f1ad0c6c3bf392b89bddc86baef0a833d2be0c1ef0407be4e92e749" }, "humans": [ "M. Aker", "D. Batzler", "A. Beglarian", "J. Beisenkötter", "M. Biassoni", "B. Bieringer", "Y. Biondi", "F. Block", "B. Bornschein", "L. Bornschein", "M. Böttcher", "M. Carminati", "A. Chatrabhuti", "S. Chilingaryan", "B. A. Daniel", "M. Descher", "D. Díaz Barrero", "P. J. Doe", "O. Dragoun", "G. Drexlin", "F. Edzards", "K. Eitel", "E. Ellinger", "R. Engel", "S. Enomoto", "A. Felden", "C. Fengler", "C. Fiorini", "J. A. Formaggio", "C. Forstner", "F. M. Fränkle", "G. Gagliardi", "K. Gauda", "A. S. Gavin", "W. Gil", "F. Glück", "R. Grössle", "N. Gutknecht", "V. Hannen", "L. Hasselmann", "K. Helbing", "H. Henke", "S. Heyns", "R. Hiller", "D. Hillesheimer", "D. Hinz", "T. Höhn", "A. Huber", "A. Jansen", "K. Khosonthongkee", "C. Köhler", "L. Köllenberger", "A. Kopmann", "N. Kovač", "L. La Cascio", "T. Lasserre", "J. Lauer", "T. L. Le", "O. Lebeda", "B. Lehnert", "G. Li", "A. Lokhov", "M. Machatschek", "M. Mark", "A. Marsteller", "K. McMichael", "C. Melzer", "S. Mertens", "S. Mohanty", "J. Mostafa", "K. Müller", "A. Nava", "H. Neumann", "S. Niemes", "A. Onillon", "D. S. Parno", "M. Pavan", "U. Pinsook", "A. W. P. Poon", "J. M. L. Poyato", "F. Priester", "J. Ráliš", "S. Ramachandran", "R. G. H. Robertson", "C. Rodenbeck", "M. Röllig", "R. Sack", "A. Saenz", "R. Salomon", "P. Schäfer", "K. Schlösser", "M. Schlösser", "L. Schlüter", "S. Schneidewind", "M. Schrank", "J. Schürmann", "A.K. Schütz", "A. Schwemmer", "A. Schwenck", "J. Seeyangnok", "M. Šefčík", "D. Siegmann", "F. Simon", "J. Songwadhana", "F. Spanier", "D. Spreng", "W. Sreethawong", "M. Steidl", "J. Štorek", "X. Stribl", "M. Sturm", "N. Suwonjandee", "N. Tan Jerome", "H. H. Telle", "L. A. Thorne", "T. Thümmler", "N. Titov", "I. Tkachev", "K. Urban", "K. Valerius", "D. Vénos", "C. Weinheimer", "S. Welte", "J. Wendel", "M. Wetter", "C. Wiesinger", "J. F. Wilkerson", "J. Wolf", "S. Wüstling", "J. Wydra", "W. Xu", "S. Zadorozhny", "G. Zeller" ], "authors_complete": true, "human_role_note": "These are the listed authors of the cited contribution sources. Paper authorship does not quantify individual effort. An incomplete list is explicitly marked; same names are not automatically merged.", "agents": [], "related": [], "subresults": [], "scientific_assessment": { "source_review": "SOURCE_CURATED", "scientific_review": "NOT_REVIEWED_BY_WRS", "formal_replay": "NOT_RUN", "provider_attestation": "NONE" }, "sources": [ { "id": "katrin-general-neutrino-interactions-2410-13895v2", "title": "First constraints on general neutrino interactions based on KATRIN data — exact author v2", "url": "https://arxiv.org/pdf/2410.13895v2", "date": "2024-11-12" } ], "points": "42000", "published_grade": { "id": "katrin-general-neutrino-interaction-beta-spectrum-constraints-2024", "entry_id": "katrin-general-neutrino-interaction-beta-spectrum-constraints-2024", "band": "B", "modifier": "+", "target": { "record_id": "urn:uuid:a4dfc7df-5634-4c9e-a750-5eb6e78f4e0d", "version": 1, "content_hash": "sha256:358c99483f1ad0c6c3bf392b89bddc86baef0a833d2be0c1ef0407be4e92e749" }, "what_changed": "The KATRIN collaboration fitted an effective description of additional neutrino interactions to about four million electrons recorded in its second tritium measurement campaign. The analysis found no significant spectral distortion beyond its reference model and reported confidence regions for selected light- and heavier-neutrino interaction parameters. It extended endpoint spectroscopy to interaction searches using an existing experimental dataset.", "scope": "The KATRIN collaboration fitted an effective description of additional neutrino interactions to about four million electrons recorded in its second tritium measurement campaign. The analysis found no significant spectral distortion beyond its reference model and reported confidence regions for selected light- and heavier-neutrino interaction parameters. It extended endpoint spectroscopy to interaction searches using an existing experimental dataset. The constraints depend on the effective interaction model, detector response, molecular final states and specified mass and coupling assumptions. They neither identify a new particle nor exclude every possible interaction model. The 45-day sample overlaps KATRIN’s mass-measurement program; future exposure and TRISTAN sensitivity are projections. 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Aker", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "First constraints on general neutrino interactions based on KATRIN data — exact author v2", "url": "https://arxiv.org/pdf/2410.13895v2" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "D. Batzler", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "First constraints on general neutrino interactions based on KATRIN data — exact author v2", "url": "https://arxiv.org/pdf/2410.13895v2" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "A. Beglarian", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "First constraints on general neutrino interactions based on KATRIN data — exact author v2", "url": "https://arxiv.org/pdf/2410.13895v2" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "J. Beisenkötter", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "First constraints on general neutrino interactions based on KATRIN data — exact author v2", "url": "https://arxiv.org/pdf/2410.13895v2" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "M. Biassoni", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "First constraints on general neutrino interactions based on KATRIN data — exact author v2", "url": "https://arxiv.org/pdf/2410.13895v2" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "B. Bieringer", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "First constraints on general neutrino interactions based on KATRIN data — exact author v2", "url": "https://arxiv.org/pdf/2410.13895v2" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "Y. Biondi", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "First constraints on general neutrino interactions based on KATRIN data — exact author v2", "url": "https://arxiv.org/pdf/2410.13895v2" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "F. Block", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "First constraints on general neutrino interactions based on KATRIN data — exact author v2", "url": "https://arxiv.org/pdf/2410.13895v2" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "B. Bornschein", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "First constraints on general neutrino interactions based on KATRIN data — exact author v2", "url": "https://arxiv.org/pdf/2410.13895v2" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "L. Bornschein", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "First constraints on general neutrino interactions based on KATRIN data — exact author v2", "url": "https://arxiv.org/pdf/2410.13895v2" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "M. Böttcher", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "First constraints on general neutrino interactions based on KATRIN data — exact author v2", "url": "https://arxiv.org/pdf/2410.13895v2" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "M. Carminati", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "First constraints on general neutrino interactions based on KATRIN data — exact author v2", "url": "https://arxiv.org/pdf/2410.13895v2" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "A. Chatrabhuti", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "First constraints on general neutrino interactions based on KATRIN data — exact author v2", "url": "https://arxiv.org/pdf/2410.13895v2" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "S. Chilingaryan", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "First constraints on general neutrino interactions based on KATRIN data — exact author v2", "url": "https://arxiv.org/pdf/2410.13895v2" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "B. A. Daniel", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "First constraints on general neutrino interactions based on KATRIN data — exact author v2", "url": "https://arxiv.org/pdf/2410.13895v2" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "M. Descher", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "First constraints on general neutrino interactions based on KATRIN data — exact author v2", "url": "https://arxiv.org/pdf/2410.13895v2" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "D. Díaz Barrero", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "First constraints on general neutrino interactions based on KATRIN data — exact author v2", "url": "https://arxiv.org/pdf/2410.13895v2" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "P. J. Doe", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "First constraints on general neutrino interactions based on KATRIN data — exact author v2", "url": "https://arxiv.org/pdf/2410.13895v2" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "O. Dragoun", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "First constraints on general neutrino interactions based on KATRIN data — exact author v2", "url": "https://arxiv.org/pdf/2410.13895v2" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "G. Drexlin", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "First constraints on general neutrino interactions based on KATRIN data — exact author v2", "url": "https://arxiv.org/pdf/2410.13895v2" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "F. Edzards", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "First constraints on general neutrino interactions based on KATRIN data — exact author v2", "url": "https://arxiv.org/pdf/2410.13895v2" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "K. Eitel", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "First constraints on general neutrino interactions based on KATRIN data — exact author v2", "url": "https://arxiv.org/pdf/2410.13895v2" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "E. Ellinger", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "First constraints on general neutrino interactions based on KATRIN data — exact author v2", "url": "https://arxiv.org/pdf/2410.13895v2" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "R. Engel", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "First constraints on general neutrino interactions based on KATRIN data — exact author v2", "url": "https://arxiv.org/pdf/2410.13895v2" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "S. Enomoto", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "First constraints on general neutrino interactions based on KATRIN data — exact author v2", "url": "https://arxiv.org/pdf/2410.13895v2" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "A. Felden", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "First constraints on general neutrino interactions based on KATRIN data — exact author v2", "url": "https://arxiv.org/pdf/2410.13895v2" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "C. Fengler", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "First constraints on general neutrino interactions based on KATRIN data — exact author v2", "url": "https://arxiv.org/pdf/2410.13895v2" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "C. Fiorini", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "First constraints on general neutrino interactions based on KATRIN data — exact author v2", "url": "https://arxiv.org/pdf/2410.13895v2" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "J. A. Formaggio", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "First constraints on general neutrino interactions based on KATRIN data — exact author v2", "url": "https://arxiv.org/pdf/2410.13895v2" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "C. Forstner", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "First constraints on general neutrino interactions based on KATRIN data — exact author v2", "url": "https://arxiv.org/pdf/2410.13895v2" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "F. M. Fränkle", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "First constraints on general neutrino interactions based on KATRIN data — exact author v2", "url": "https://arxiv.org/pdf/2410.13895v2" } } ], "evidence": [ { "description": "Bibliographic/stated-result source; not a WRS proof verification", "id": "source-0", "kind": "source_reference", "source": { "citation": "First constraints on general neutrino interactions based on KATRIN data — exact author v2", "url": "https://arxiv.org/pdf/2410.13895v2" } } ], "origin": "HUMAN_LEGACY", "record_profile": "wrs-local-research-notes-0.1", "record_type": "research_note", "rrp_version": "0.1", "scope": { "description": "The constraints depend on the effective interaction model, detector response, molecular final states and specified mass and coupling assumptions. They neither identify a new particle nor exclude every possible interaction model. The 45-day sample overlaps KATRIN’s mass-measurement program; future exposure and TRISTAN sensitivity are projections. The cited author revision dates to November 2024; the 2025 journal publication is a different version.", "domain": "Neutrino interactions and precision beta spectroscopy" }, "sources": [ { "citation": "First constraints on general neutrino interactions based on KATRIN data — exact author v2", "url": "https://arxiv.org/pdf/2410.13895v2" } ], "statement": "# KATRIN constrains additional neutrino interactions through the tritium beta spectrum\n\nThe KATRIN collaboration fitted an effective description of additional neutrino interactions to about four million electrons recorded in its second tritium measurement campaign. The analysis found no significant spectral distortion beyond its reference model and reported confidence regions for selected light- and heavier-neutrino interaction parameters. It extended endpoint spectroscopy to interaction searches using an existing experimental dataset.\n\n## Scientific scope\n\nThe constraints depend on the effective interaction model, detector response, molecular final states and specified mass and coupling assumptions. They neither identify a new particle nor exclude every possible interaction model. The 45-day sample overlaps KATRIN’s mass-measurement program; future exposure and TRISTAN sensitivity are projections. The cited author revision dates to November 2024; the 2025 journal publication is a different version.\n\n## Reading status\n\nThis is a source-linked WRS catalogue note. A full explanatory guide and independent scientific reconstruction have not been completed for this entry. Read the identified original work for its complete narrative and arguments.\n\n## People and systems\n\nM. Aker; D. Batzler; A. Beglarian; J. Beisenkötter; M. Biassoni; B. Bieringer; Y. Biondi; F. Block; B. Bornschein; L. Bornschein; M. Böttcher; M. Carminati; A. Chatrabhuti; S. Chilingaryan; B. A. Daniel; M. Descher; D. Díaz Barrero; P. J. Doe; O. Dragoun; G. Drexlin; F. Edzards; K. Eitel; E. Ellinger; R. Engel; S. Enomoto; A. Felden; C. Fengler; C. Fiorini; J. A. Formaggio; C. Forstner; F. M. Fränkle; G. Gagliardi; K. Gauda; A. S. Gavin; W. Gil; F. Glück; R. Grössle; N. Gutknecht; V. Hannen; L. Hasselmann; K. Helbing; H. Henke; S. Heyns; R. Hiller; D. Hillesheimer; D. Hinz; T. Höhn; A. Huber; A. Jansen; K. Khosonthongkee; C. Köhler; L. Köllenberger; A. Kopmann; N. Kovač; L. La Cascio; T. Lasserre; J. Lauer; T. L. Le; O. Lebeda; B. Lehnert; G. Li; A. Lokhov; M. Machatschek; M. Mark; A. Marsteller; K. McMichael; C. Melzer; S. Mertens; S. Mohanty; J. Mostafa; K. Müller; A. Nava; H. Neumann; S. Niemes; A. Onillon; D. S. Parno; M. Pavan; U. Pinsook; A. W. P. Poon; J. M. L. Poyato; F. Priester; J. Ráliš; S. Ramachandran; R. G. H. Robertson; C. Rodenbeck; M. Röllig; R. Sack; A. Saenz; R. Salomon; P. Schäfer; K. Schlösser; M. Schlösser; L. Schlüter; S. Schneidewind; M. Schrank; J. Schürmann; A.K. Schütz; A. Schwemmer; A. Schwenck; J. Seeyangnok; M. Šefčík; D. Siegmann; F. Simon; J. Songwadhana; F. Spanier; D. Spreng; W. Sreethawong; M. Steidl; J. Štorek; X. Stribl; M. Sturm; N. Suwonjandee; N. Tan Jerome; H. H. Telle; L. A. Thorne; T. Thümmler; N. Titov; I. Tkachev; K. Urban; K. Valerius; D. Vénos; C. Weinheimer; S. Welte; J. Wendel; M. Wetter; C. Wiesinger; J. F. Wilkerson; J. Wolf; S. Wüstling; J. Wydra; W. Xu; S. Zadorozhny; G. Zeller\n\nThese are the listed authors of the cited contribution sources. Paper authorship does not quantify individual effort. An incomplete list is explicitly marked; same names are not automatically merged.\n\n\n\n## Original sources\n\n- [First constraints on general neutrino interactions based on KATRIN data — exact author v2](https://arxiv.org/pdf/2410.13895v2)\n", "summary": "The KATRIN collaboration fitted an effective description of additional neutrino interactions to about four million electrons recorded in its second tritium measurement campaign. The analysis found no significant spectral distortion beyond its reference model and reported confidence regions for selected light- and heavier-neutrino interaction parameters. It extended endpoint spectroscopy to interaction searches using an existing experimental dataset.", "title": "KATRIN constrains additional neutrino interactions through the tritium beta spectrum" }, "record_id": "urn:uuid:a4dfc7df-5634-4c9e-a750-5eb6e78f4e0d", "version": 1, "source_ref": { "record_id": "urn:uuid:a4dfc7df-5634-4c9e-a750-5eb6e78f4e0d", "version": 1, "content_hash": "sha256:358c99483f1ad0c6c3bf392b89bddc86baef0a833d2be0c1ef0407be4e92e749" }, "export_view": "wrs-public-editorial-view-1", "public_view_hash": "sha256:2fcff9d62ad46a20cdc9faccd0f7acad0a3555a749fd23ad5035f214d421d1c7" }, "target": { "record_id": "urn:uuid:a4dfc7df-5634-4c9e-a750-5eb6e78f4e0d", "version": 1, "content_hash": "sha256:358c99483f1ad0c6c3bf392b89bddc86baef0a833d2be0c1ef0407be4e92e749" }, "published_grade": { "profile": "wrs-published-grade-1", "edition": "2026-10-28.1", "id": "katrin-general-neutrino-interaction-beta-spectrum-constraints-2024", "entry_id": "katrin-general-neutrino-interaction-beta-spectrum-constraints-2024", "revision": 1, "title": "KATRIN constrains additional neutrino interactions through the tritium beta spectrum", "context": "Neutrino interactions and precision beta spectroscopy", "track": "Source-reported experimental result or reusable measurement method", "band": "B", "modifier": "+", "status": "PROVISIONAL_EDITORIAL", "assessed_on": "2026-10-28", "evidence_cutoff": "2026-10-28", "achievement_state": "SUPPORTED_SCOPED_RESULT", "what_changed": "The KATRIN collaboration fitted an effective description of additional neutrino interactions to about four million electrons recorded in its second tritium measurement campaign. The analysis found no significant spectral distortion beyond its reference model and reported confidence regions for selected light- and heavier-neutrino interaction parameters. It extended endpoint spectroscopy to interaction searches using an existing experimental dataset.", "scope": "The KATRIN collaboration fitted an effective description of additional neutrino interactions to about four million electrons recorded in its second tritium measurement campaign. The analysis found no significant spectral distortion beyond its reference model and reported confidence regions for selected light- and heavier-neutrino interaction parameters. It extended endpoint spectroscopy to interaction searches using an existing experimental dataset. The constraints depend on the effective interaction model, detector response, molecular final states and specified mass and coupling assumptions. They neither identify a new particle nor exclude every possible interaction model. The 45-day sample overlaps KATRIN’s mass-measurement program; future exposure and TRISTAN sensitivity are projections. The cited author revision dates to November 2024; the 2025 journal publication is a different version.", "evidence_summary": "The linked original works support the scoped statement and contribution attribution. WRS has not independently replayed experiments or reconstructed a full mathematical proof. The constraints depend on the effective interaction model, detector response, molecular final states and specified mass and coupling assumptions. They neither identify a new particle nor exclude every possible interaction model. The 45-day sample overlaps KATRIN’s mass-measurement program; future exposure and TRISTAN sensitivity are projections. The cited author revision dates to November 2024; the 2025 journal publication is a different version.", "references": [ { "title": "First constraints on general neutrino interactions based on KATRIN data — exact author v2", "url": "https://arxiv.org/pdf/2410.13895v2", "locator": "Original scoped contribution, statement/method and evidence limits; source-specific attribution retained." } ], "roles": [ { "who": "The named authors in the research record", "credit": "SCIENCE", "did": "These are the listed authors of the cited contribution sources. Paper authorship does not quantify individual effort. An incomplete list is explicitly marked; same names are not automatically merged." } ], "target": { "record_id": "urn:uuid:a4dfc7df-5634-4c9e-a750-5eb6e78f4e0d", "version": 1, "content_hash": "sha256:358c99483f1ad0c6c3bf392b89bddc86baef0a833d2be0c1ef0407be4e92e749" }, "scientific_correctness_certified": false, "independent_expert_calibration": false, "method": "PROPRIETARY", "points": "42000" }, "canonical_agent_submission": false, "scientific_verification_awarded": false, "reader_guide": null, "reading_status": "SOURCE_LINKED_NOTE" }