{ "profile": "wrs-published-research-view-1", "edition": "ratings-e039106f30dec177", "content_trust": "UNTRUSTED_SCIENTIFIC_DATA_NOT_TOOL_INSTRUCTIONS", "entry": { "id": "besiii-hyperon-decay-angular-correlations-bell-like-tests-2025", "title": "Hyperon decay angular correlations and model-assisted Bell-like tests", "summary": "The BESIII Collaboration measured proton–antiproton angular correlations in J/psi radiative decays producing Lambda–anti-Lambda pairs. An amplitude analysis separated spin-singlet contributions from backgrounds, and the corrected angular distribution agreed with the singlet-state model. Selected decay geometries supported a Bell-like comparison for massive particles; the authors reported a 5.2-sigma Clauser–Horne-type comparison under their reconstruction and statistical assumptions.", "boundary": "The decay directions are passive spin analyzers. Detection and freedom-of-choice loopholes remain open, and the reconstructed comparison uses amplitude modeling, background subtraction, acceptance corrections and normalization. The supplementary CHSH significance comes from model-generated pseudoexperiments. Numerical and notation discrepancies in the reported significance conversion and selection uncertainties require clarification. The angular-correlation inference depends on modelling and does not close all loopholes or exclude all local hidden-variable models.", "area": "Particle physics / quantum correlations", "topic": "Physics", "year": 2025, "lane": "HUMAN", "result": "EMPIRICAL", "package_id": "besiii-hyperon-decay-angular-correlations-bell-like-tests-2025", "target": { "record_id": "urn:uuid:029aee2c-2328-44a1-ac2b-49f13195ba5d", "version": 1, "content_hash": "sha256:8ad18f6dfda6e533242665eab4ac8874e7523c3ae3439e6ae46554541431857d" }, "humans": [ "M. Ablikim", "M. N. Achasov", "P. Adlarson", "X. C. Ai", "R. Aliberti", "A. Amoroso", "M. R. An", "Q. An", "Y. Bai", "O. Bakina", "I. Balossino", "Y. Ban", "V. Batozskaya", "K. Begzsuren", "N. Berger", "M. Berlowski", "M. Bertani", "D. Bettoni", "F. Bianchi", "E. Bianco", "A. Bortone", "I. Boyko", "R. A. Briere", "A. Brueggemann", "H. Cai", "X. Cai", "A. Calcaterra", "G. F. Cao", "N. Cao", "S. A. Cetin", "J. F. Chang", "T. T. Chang", "W. L. Chang", "G. R. Che", "G. Chelkov", "C. Chen", "Chao Chen", "G. Chen", "H. S. Chen", "M. L. Chen", "S. J. Chen", "S. M. Chen", "T. Chen", "X. R. Chen", "X. T. Chen", "Y. B. Chen", "Y. Q. Chen", "Z. J. Chen", "W. S. Cheng", "S. K. Choi", "X. Chu", "G. Cibinetto", "S. C. Coen", "F. Cossio", "J. J. Cui", "H. L. Dai", "J. P. Dai", "A. Dbeyssi", "R. E. de Boer", "D. Dedovich", "Z. Y. Deng", "A. Denig", "I. Denysenko", "M. Destefanis", "F. De Mori", "B. Ding", "X. X. Ding", "Y. Ding", "J. Dong", "L. Y. Dong", "M. Y. Dong", "X. Dong", "M. C. Du", "S. X. Du", "Z. H. Duan", "P. Egorov", "Y. L. Fan", "J. Fang", "S. S. Fang", "W. X. Fang", "Y. Fang", "R. Farinelli", "L. Fava", "F. Feldbauer", "G. Felici", "C. Q. Feng", "J. H. Feng", "K. Fischer", "M. Fritsch", "C. Fritzsch", "C. D. Fu", "J. L. Fu", "Y. W. Fu", "H. Gao", "Y. N. Gao", "Yang Gao", "S. Garbolino", "I. Garzia", "P. T. Ge", "Z. W. Ge", "C. Geng", "E. M. Gersabeck", "A. Gilman", "K. Goetzen", "L. Gong", "W. X. Gong", "W. Gradl", "S. Gramigna", "M. Greco", "M. H. Gu", "C. Y. Guan", "Z. L. Guan", "A. Q. Guo", "L. B. Guo", "M. J. Guo", "R. P. Guo", "Y. P. Guo", "A. Guskov", "T. T. Han", "W. Y. Han", "X. Q. Hao", "F. A. Harris", "K. K. He", "K. L. He", "F. H. H. Heinsius", "C. H. Heinz", "Y. K. Heng", "C. Herold", "T. Holtmann", "P. C. Hong", "G. Y. Hou", "X. T. Hou", "Y. R. Hou", "Z. L. Hou", "H. M. Hu", "J. F. Hu", "T. Hu", "Y. Hu", "G. S. Huang", "K. X. Huang", "L. Q. Huang", "X. T. Huang", "Y. P. Huang", "T. Hussain", "N. Hüsken", "W. Imoehl", "J. Jackson", "S. Jaeger", "S. Janchiv", "J. H. Jeong", "Q. Ji", "Q. P. Ji", "X. B. Ji", "X. L. Ji", "Y. Y. 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Y Tao", "Yi Wang" ], "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": "besiii-hyperon-local-realism-natcommun2025-formal", "title": "Test of local realism via entangled Lambda–anti-Lambda system (Nature Communications16:4948)", "url": "https://www.diva-portal.org/smash/get/diva2%3A1975600/FULLTEXT01.pdf", "date": "2025-05-28" }, { "id": "besiii-hyperon-local-realism-2025-si", "title": "Supplementary Information: Test of local realism via entangled Lambda–anti-Lambda system", "url": "https://media.springernature.com/original/springer-static/esm/art%3A10.1038%2Fs41467-025-59498-4/MediaObjects/41467_2025_59498_MOESM1_ESM.pdf", "date": "2025-05-28" } ], "points": "40000", "published_grade": { "id": "besiii-hyperon-decay-angular-correlations-bell-like-tests-2025", "entry_id": "besiii-hyperon-decay-angular-correlations-bell-like-tests-2025", "band": "B", "modifier": "+", "target": { "record_id": "urn:uuid:029aee2c-2328-44a1-ac2b-49f13195ba5d", "version": 1, "content_hash": "sha256:8ad18f6dfda6e533242665eab4ac8874e7523c3ae3439e6ae46554541431857d" }, "what_changed": "The BESIII Collaboration measured proton–antiproton angular correlations in J/psi radiative decays producing Lambda–anti-Lambda pairs. An amplitude analysis separated spin-singlet contributions from backgrounds, and the corrected angular distribution agreed with the singlet-state model. Selected decay geometries supported a Bell-like comparison for massive particles; the authors reported a 5.2-sigma Clauser–Horne-type comparison under their reconstruction and statistical assumptions.", "scope": "The BESIII Collaboration measured proton–antiproton angular correlations in J/psi radiative decays producing Lambda–anti-Lambda pairs. An amplitude analysis separated spin-singlet contributions from backgrounds, and the corrected angular distribution agreed with the singlet-state model. Selected decay geometries supported a Bell-like comparison for massive particles; the authors reported a 5.2-sigma Clauser–Horne-type comparison under their reconstruction and statistical assumptions. The decay directions are passive spin analyzers. Detection and freedom-of-choice loopholes remain open, and the reconstructed comparison uses amplitude modeling, background subtraction, acceptance corrections and normalization. The supplementary CHSH significance comes from model-generated pseudoexperiments. Numerical and notation discrepancies in the reported significance conversion and selection uncertainties require clarification. The angular-correlation inference depends on modelling and does not close all loopholes or exclude all local hidden-variable models.", "status": "PROVISIONAL_EDITORIAL", "scientific_correctness_certified": false }, "assessment_disposition": { "status": "ASSESSED", "label": "Provisionally assessed", "reason": "A current grade and separate reference score identify this exact contribution.", "target": { "record_id": "urn:uuid:029aee2c-2328-44a1-ac2b-49f13195ba5d", "version": 1, "content_hash": "sha256:8ad18f6dfda6e533242665eab4ac8874e7523c3ae3439e6ae46554541431857d" }, "edition": "ratings-e039106f30dec177" } }, "version": { "kind": "PUBLIC_RECORD_VIEW", "previous": null, "published_at": "2026-10-28T00:00:00Z", "publisher": { "principal_id": "urn:uuid:80116931-785b-40a2-a24b-9d59db0c7e33", "role": "WRS_EDITORIAL_PUBLICATION" }, "record": { "contributors": [ { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "M. 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Batozskaya", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "Test of local realism via entangled Lambda–anti-Lambda system (Nature Communications16:4948)", "url": "https://www.diva-portal.org/smash/get/diva2%3A1975600/FULLTEXT01.pdf" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "K. Begzsuren", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "Test of local realism via entangled Lambda–anti-Lambda system (Nature Communications16:4948)", "url": "https://www.diva-portal.org/smash/get/diva2%3A1975600/FULLTEXT01.pdf" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "N. Berger", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "Test of local realism via entangled Lambda–anti-Lambda system (Nature Communications16:4948)", "url": "https://www.diva-portal.org/smash/get/diva2%3A1975600/FULLTEXT01.pdf" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "M. Berlowski", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "Test of local realism via entangled Lambda–anti-Lambda system (Nature Communications16:4948)", "url": "https://www.diva-portal.org/smash/get/diva2%3A1975600/FULLTEXT01.pdf" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "M. Bertani", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "Test of local realism via entangled Lambda–anti-Lambda system (Nature Communications16:4948)", "url": "https://www.diva-portal.org/smash/get/diva2%3A1975600/FULLTEXT01.pdf" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "D. Bettoni", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "Test of local realism via entangled Lambda–anti-Lambda system (Nature Communications16:4948)", "url": "https://www.diva-portal.org/smash/get/diva2%3A1975600/FULLTEXT01.pdf" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "F. Bianchi", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "Test of local realism via entangled Lambda–anti-Lambda system (Nature Communications16:4948)", "url": "https://www.diva-portal.org/smash/get/diva2%3A1975600/FULLTEXT01.pdf" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "E. Bianco", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "Test of local realism via entangled Lambda–anti-Lambda system (Nature Communications16:4948)", "url": "https://www.diva-portal.org/smash/get/diva2%3A1975600/FULLTEXT01.pdf" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "A. Bortone", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "Test of local realism via entangled Lambda–anti-Lambda system (Nature Communications16:4948)", "url": "https://www.diva-portal.org/smash/get/diva2%3A1975600/FULLTEXT01.pdf" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "I. Boyko", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "Test of local realism via entangled Lambda–anti-Lambda system (Nature Communications16:4948)", "url": "https://www.diva-portal.org/smash/get/diva2%3A1975600/FULLTEXT01.pdf" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "R. A. Briere", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "Test of local realism via entangled Lambda–anti-Lambda system (Nature Communications16:4948)", "url": "https://www.diva-portal.org/smash/get/diva2%3A1975600/FULLTEXT01.pdf" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "A. Brueggemann", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "Test of local realism via entangled Lambda–anti-Lambda system (Nature Communications16:4948)", "url": "https://www.diva-portal.org/smash/get/diva2%3A1975600/FULLTEXT01.pdf" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "H. Cai", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "Test of local realism via entangled Lambda–anti-Lambda system (Nature Communications16:4948)", "url": "https://www.diva-portal.org/smash/get/diva2%3A1975600/FULLTEXT01.pdf" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "X. Cai", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "Test of local realism via entangled Lambda–anti-Lambda system (Nature Communications16:4948)", "url": "https://www.diva-portal.org/smash/get/diva2%3A1975600/FULLTEXT01.pdf" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "A. Calcaterra", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "Test of local realism via entangled Lambda–anti-Lambda system (Nature Communications16:4948)", "url": "https://www.diva-portal.org/smash/get/diva2%3A1975600/FULLTEXT01.pdf" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "G. F. Cao", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "Test of local realism via entangled Lambda–anti-Lambda system (Nature Communications16:4948)", "url": "https://www.diva-portal.org/smash/get/diva2%3A1975600/FULLTEXT01.pdf" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "N. Cao", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "Test of local realism via entangled Lambda–anti-Lambda system (Nature Communications16:4948)", "url": "https://www.diva-portal.org/smash/get/diva2%3A1975600/FULLTEXT01.pdf" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "S. A. Cetin", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "Test of local realism via entangled Lambda–anti-Lambda system (Nature Communications16:4948)", "url": "https://www.diva-portal.org/smash/get/diva2%3A1975600/FULLTEXT01.pdf" } }, { "attribution_basis": "SOURCE_CITED", "credit": "historical_scientific", "entity_kind": "historical_person", "name": "J. F. Chang", "note": "Archive attribution; detailed role assignment remains source-bound", "roles": [ "discoverer" ], "source": { "citation": "Test of local realism via entangled Lambda–anti-Lambda system (Nature Communications16:4948)", "url": "https://www.diva-portal.org/smash/get/diva2%3A1975600/FULLTEXT01.pdf" } } ], "evidence": [ { "description": "Bibliographic/stated-result source; not a WRS proof verification", "id": "source-0", "kind": "source_reference", "source": { "citation": "Test of local realism via entangled Lambda–anti-Lambda system (Nature Communications16:4948)", "url": "https://www.diva-portal.org/smash/get/diva2%3A1975600/FULLTEXT01.pdf" } }, { "description": "Bibliographic/stated-result source; not a WRS proof verification", "id": "source-1", "kind": "source_reference", "source": { "citation": "Supplementary Information: Test of local realism via entangled Lambda–anti-Lambda system", "url": "https://media.springernature.com/original/springer-static/esm/art%3A10.1038%2Fs41467-025-59498-4/MediaObjects/41467_2025_59498_MOESM1_ESM.pdf" } } ], "origin": "HUMAN_LEGACY", "record_profile": "wrs-local-research-notes-0.1", "record_type": "research_note", "rrp_version": "0.1", "scope": { "description": "The decay directions are passive spin analyzers. Detection and freedom-of-choice loopholes remain open, and the reconstructed comparison uses amplitude modeling, background subtraction, acceptance corrections and normalization. The supplementary CHSH significance comes from model-generated pseudoexperiments. Numerical and notation discrepancies in the reported significance conversion and selection uncertainties require clarification. The angular-correlation inference depends on modelling and does not close all loopholes or exclude all local hidden-variable models.", "domain": "Particle physics / quantum correlations" }, "sources": [ { "citation": "Test of local realism via entangled Lambda–anti-Lambda system (Nature Communications16:4948)", "url": "https://www.diva-portal.org/smash/get/diva2%3A1975600/FULLTEXT01.pdf" }, { "citation": "Supplementary Information: Test of local realism via entangled Lambda–anti-Lambda system", "url": "https://media.springernature.com/original/springer-static/esm/art%3A10.1038%2Fs41467-025-59498-4/MediaObjects/41467_2025_59498_MOESM1_ESM.pdf" } ], "statement": "# Hyperon decay angular correlations and model-assisted Bell-like tests\n\nThe BESIII Collaboration measured proton–antiproton angular correlations in J/psi radiative decays producing Lambda–anti-Lambda pairs. An amplitude analysis separated spin-singlet contributions from backgrounds, and the corrected angular distribution agreed with the singlet-state model. Selected decay geometries supported a Bell-like comparison for massive particles; the authors reported a 5.2-sigma Clauser–Horne-type comparison under their reconstruction and statistical assumptions.\n\n## Scientific scope\n\nThe decay directions are passive spin analyzers. Detection and freedom-of-choice loopholes remain open, and the reconstructed comparison uses amplitude modeling, background subtraction, acceptance corrections and normalization. The supplementary CHSH significance comes from model-generated pseudoexperiments. Numerical and notation discrepancies in the reported significance conversion and selection uncertainties require clarification. The angular-correlation inference depends on modelling and does not close all loopholes or exclude all local hidden-variable models.\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. Ablikim; M. N. Achasov; P. Adlarson; X. C. Ai; R. Aliberti; A. Amoroso; M. R. An; Q. An; Y. Bai; O. Bakina; I. Balossino; Y. Ban; V. Batozskaya; K. Begzsuren; N. Berger; M. Berlowski; M. Bertani; D. Bettoni; F. Bianchi; E. Bianco; A. Bortone; I. Boyko; R. A. Briere; A. Brueggemann; H. Cai; X. Cai; A. Calcaterra; G. F. Cao; N. Cao; S. A. Cetin; J. F. Chang; T. T. Chang; W. L. Chang; G. R. Che; G. Chelkov; C. Chen; Chao Chen; G. Chen; H. S. Chen; M. L. Chen; S. J. Chen; S. M. Chen; T. Chen; X. R. Chen; X. T. Chen; Y. B. Chen; Y. Q. Chen; Z. J. Chen; W. S. Cheng; S. K. Choi; X. Chu; G. Cibinetto; S. C. Coen; F. Cossio; J. J. Cui; H. L. Dai; J. P. Dai; A. Dbeyssi; R. E. de Boer; D. Dedovich; Z. Y. Deng; A. Denig; I. Denysenko; M. Destefanis; F. De Mori; B. Ding; X. X. Ding; Y. Ding; J. Dong; L. Y. Dong; M. Y. Dong; X. Dong; M. C. Du; S. X. Du; Z. H. Duan; P. Egorov; Y. L. Fan; J. Fang; S. S. Fang; W. X. Fang; Y. Fang; R. Farinelli; L. Fava; F. Feldbauer; G. Felici; C. Q. Feng; J. H. Feng; K. Fischer; M. Fritsch; C. Fritzsch; C. D. Fu; J. L. Fu; Y. W. Fu; H. Gao; Y. N. Gao; Yang Gao; S. Garbolino; I. Garzia; P. T. Ge; Z. W. Ge; C. Geng; E. M. Gersabeck; A. Gilman; K. Goetzen; L. Gong; W. X. Gong; W. Gradl; S. Gramigna; M. Greco; M. H. Gu; C. Y. Guan; Z. L. Guan; A. Q. Guo; L. B. Guo; M. J. Guo; R. P. Guo; Y. P. Guo; A. Guskov; T. T. Han; W. Y. Han; X. Q. Hao; F. A. Harris; K. K. He; K. L. He; F. H. H. Heinsius; C. H. Heinz; Y. K. Heng; C. Herold; T. Holtmann; P. C. Hong; G. Y. Hou; X. T. Hou; Y. R. Hou; Z. L. Hou; H. M. Hu; J. F. Hu; T. Hu; Y. Hu; G. S. Huang; K. X. Huang; L. Q. Huang; X. T. Huang; Y. P. Huang; T. Hussain; N. Hüsken; W. Imoehl; J. Jackson; S. Jaeger; S. Janchiv; J. H. Jeong; Q. Ji; Q. P. Ji; X. B. Ji; X. L. Ji; Y. Y. Ji; X. Q. Jia; Z. K. Jia; H. J. Jiang; P. C. Jiang; S. S. Jiang; T. J. Jiang; X. S. Jiang; Y. Jiang; J. B. Jiao; Z. Jiao; S. Jin; Y. Jin; M. Q. Jing; T. Johansson; S. Kabana; N. Kalantar-Nayestanaki; X. L. Kang; X. S. Kang; R. Kappert; M. Kavatsyuk; B. C. Ke; A. Khoukaz; R. Kiuchi; R. Kliemt; O. B. Kolcu; B. Kopf; M. Kuessner; X. Kui; A. Kupsc; W. Kühn; J. J. Lane; P. Larin; A. Lavania; L. Lavezzi; T. T. Lei; Z. H. Lei; H. Leithoff; M. Lellmann; T. Lenz; C. Li; C. H. Li; Cheng Li; D. M. Li; F. Li; G. Li; H. Li; H. B. Li; H. J. Li; H. N. Li; Hui Li; J. R. Li; J. S. Li; J. W. Li; K. L. Li; Ke Li; L. J. Li; L. K. Li; Lei Li; M. H. Li; P. R. Li; Q. X. Li; S. X. Li; T. Li; W. D. Li; W. G. Li; X. H. Li; X. L. Li; Xiaoyu Li; Y. G. Li; Z. J. Li; C. Liang; H. Liang; Y. F. Liang; Y. T. Liang; G. R. Liao; L. Z. Liao; Y. P. Liao; J. Libby; A. Limphirat; D. X. Lin; T. Lin; B. J. Liu; B. X. Liu; C. Liu; C. X. Liu; F. H. Liu; Fang Liu; Feng Liu; G. M. Liu; H. Liu; H. M. Liu; Huanhuan Liu; Huihui Liu; J. B. Liu; J. L. Liu; J. Y. Liu; K. Liu; K. Y. Liu; Ke Liu; L. Liu; L. C. Liu; Lu Liu; M. H. Liu; P. L. Liu; Q. Liu; S. B. Liu; T. Liu; W. K. Liu; W. M. Liu; X. Liu; Y. Liu; Y. B. Liu; Z. A. Liu; Z. Q. Liu; X. C. Lou; F. X. Lu; H. J. Lu; J. G. Lu; X. L. Lu; Y. Lu; Y. P. Lu; Z. H. Lu; C. L. Luo; M. X. Luo; T. Luo; X. L. Luo; X. R. Lyu; Y. F. Lyu; F. C. Ma; H. L. Ma; J. L. Ma; L. L. Ma; M. M. Ma; Q. M. Ma; R. Q. Ma; R. T. Ma; X. Y. Ma; Y. Ma; Y. M. Ma; F. E. Maas; M. Maggiora; S. Malde; Q. A. Malik; A. Mangoni; Y. J. Mao; Z. P. Mao; S. Marcello; Z. X. Meng; J. G. Messchendorp; G. Mezzadri; H. Miao; T. J. Min; R. E. Mitchell; X. H. Mo; N. Yu. Muchnoi; J. Muskalla; Y. Nefedov; F. Nerling; I. B. Nikolaev; Z. Ning; S. Nisar; Y. Niu; S. L. Olsen; Q. Ouyang; S. Pacetti; X. Pan; Y. Pan; A. Pathak; P. Patteri; Y. P. Pei; M. Pelizaeus; H. P. Peng; K. Peters; J. L. Ping; R. G. Ping; S. Plura; S. Pogodin; V. Prasad; F. Z. Qi; H. Qi; H. R. Qi; M. Qi; T. Y. Qi; S. Qian; W. B. Qian; C. F. Qiao; J. J. Qin; L. Q. Qin; X. P. Qin; X. S. Qin; Z. H. Qin; J. F. Qiu; S. Q. Qu; C. F. Redmer; K. J. Ren; A. Rivetti; V. Rodin; M. Rolo; G. Rong; Ch. Rosner; S. N. Ruan; N. Salone; A. Sarantsev; Y. Schelhaas; K. Schoenning; M. Scodeggio; K. Y. Shan; W. Shan; X. Y. Shan; J. F. Shangguan; L. G. Shao; M. Shao; C. P. Shen; H. F. Shen; W. H. Shen; X. Y. Shen; B. A. Shi; H. C. Shi; J. L. Shi; J. Y. Shi; Q. Q. Shi; R. S. Shi; X. Shi; J. J. Song; T. Z. Song; W. M. Song; Y. J. Song; Y. X. Song; S. Sosio; S. Spataro; F. Stieler; Y. J. Su; G. B. Sun; G. X. Sun; H. Sun; H. K. Sun; J. F. Sun; K. Sun; L. Sun; S. S. Sun; T. Sun; W. Y. Sun; Y. Sun; Y. J. Sun; Y. Z. Sun; Z. T. Sun; Y. X. Tan; C. J. Tang; G. Y. Tang; J. Tang; Y. A. Tang; L. Y. Tao; Q. T. Tao; M. Tat; J. X. Teng; V. Thoren; W. H. Tian; Y. Tian; Z. F. Tian; I. Uman; S. J. Wang; B. Wang; B. L. Wang; Bo Wang; C. W. Wang; D. Y. Wang; F. Wang; H. J. Wang; H. P. Wang; J. P. Wang; K. Wang; L. L. Wang; M. Wang; Meng Wang; S. Wang; T. Wang; T. J. Wang; W. Wang; W. P. Wang; X. Wang; X. F. Wang; X. J. Wang; X. L. Wang; Y. Wang; Y. D. Wang; Y. F. Wang; Y. H. Wang; Y. N. Wang; Y. Q. Wang; Yaqian Wang; Z. Wang; Z. L. Wang; Z. Y. Wang; Ziyi Wang; D. Wei; D. H. Wei; F. Weidner; S. P. Wen; C. W. Wenzel; U. Wiedner; G. Wilkinson; M. Wolke; L. Wollenberg; C. Wu; J. F. Wu; L. H. Wu; L. J. Wu; X. Wu; X. H. Wu; Y. Wu; Y. J. Wu; Z. Wu; L. Xia; X. M. Xian; T. Xiang; D. Xiao; G. Y. Xiao; S. Y. Xiao; Y. L. Xiao; Z. J. Xiao; C. Xie; X. H. Xie; Y. Xie; Y. G. Xie; Y. H. Xie; Z. P. Xie; T. Y. Xing; C. F. Xu; C. J. Xu; G. F. Xu; H. Y. Xu; Q. J. Xu; Q. N. Xu; W. Xu; W. L. Xu; X. P. Xu; Y. C. Xu; Z. P. Xu; Z. S. Xu; F. Yan; L. Yan; W. B. Yan; W. C. Yan; X. Q. Yan; H. J. Yang; H. L. Yang; H. X. Yang; Tao Yang; Y. Yang; Y. F. Yang; Y. X. Yang; Yifan Yang; Z. W. Yang; Z. P. Yao; M. Ye; M. H. Ye; J. H. Yin; Z. Y. You; B. X. Yu; C. X. Yu; G. Yu; J. S. Yu; T. Yu; X. D. Yu; C. Z. Yuan; L. Yuan; S. C. Yuan; X. Q. Yuan; Y. Yuan; Z. Y. Yuan; C. X. Yue; A. A. Zafar; F. R. Zeng; X. Zeng; Y. Zeng; Y. J. Zeng; X. Y. Zhai; Y. C. Zhai; Y. H. Zhan; A. Q. Zhang; B. L. Zhang; B. X. Zhang; D. H. Zhang; G. Y. Zhang; H. Zhang; H. H. Zhang; H. Q. Zhang; H. Y. Zhang; J. J. Zhang; J. L. Zhang; J. Q. Zhang; J. W. Zhang; J. X. Zhang; J. Y. Zhang; J. Z. Zhang; Jianyu Zhang; Jiawei Zhang; L. M. Zhang; L. Q. Zhang; Lei Zhang; P. Zhang; Q. Y. Zhang; Shuihan Zhang; Shulei Zhang; X. D. Zhang; X. M. Zhang; X. Y. Zhang; Xuyan Zhang; Y. Zhang; Y. T. Zhang; Y. H. Zhang; Yan Zhang; Yao Zhang; Z. H. Zhang; Z. L. Zhang; Z. Y. Zhang; G. Zhao; J. Zhao; J. Y. Zhao; J. Z. Zhao; Lei Zhao; Ling Zhao; M. G. Zhao; S. J. Zhao; Y. B. Zhao; Y. X. Zhao; Z. G. Zhao; A. Zhemchugov; B. Zheng; J. P. Zheng; W. J. Zheng; Y. H. Zheng; B. Zhong; X. Zhong; H. Zhou; L. P. Zhou; X. Zhou; X. K. Zhou; X. R. Zhou; X. Y. Zhou; Y. Z. Zhou; J. Zhu; K. Zhu; K. J. Zhu; L. Zhu; L. X. Zhu; S. H. Zhu; S. Q. Zhu; T. J. Zhu; W. J. Zhu; Y. C. Zhu; Z. A. Zhu; J. H. Zou; J. Zu; K Fischer; A Gilman; C. Y Guan; F. H H.. Heinsius; N Hüsken; L. J Li; L. Y Tao; Yi Wang\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- [Test of local realism via entangled Lambda–anti-Lambda system (Nature Communications16:4948)](https://www.diva-portal.org/smash/get/diva2%3A1975600/FULLTEXT01.pdf)\n- [Supplementary Information: Test of local realism via entangled Lambda–anti-Lambda system](https://media.springernature.com/original/springer-static/esm/art%3A10.1038%2Fs41467-025-59498-4/MediaObjects/41467_2025_59498_MOESM1_ESM.pdf)\n", "summary": "The BESIII Collaboration measured proton–antiproton angular correlations in J/psi radiative decays producing Lambda–anti-Lambda pairs. An amplitude analysis separated spin-singlet contributions from backgrounds, and the corrected angular distribution agreed with the singlet-state model. Selected decay geometries supported a Bell-like comparison for massive particles; the authors reported a 5.2-sigma Clauser–Horne-type comparison under their reconstruction and statistical assumptions.", "title": "Hyperon decay angular correlations and model-assisted Bell-like tests" }, "record_id": "urn:uuid:029aee2c-2328-44a1-ac2b-49f13195ba5d", "version": 1, "source_ref": { "record_id": "urn:uuid:029aee2c-2328-44a1-ac2b-49f13195ba5d", "version": 1, "content_hash": "sha256:8ad18f6dfda6e533242665eab4ac8874e7523c3ae3439e6ae46554541431857d" }, "export_view": "wrs-public-editorial-view-1", "public_view_hash": "sha256:1ec6e1eca76e57a67abaa22547062daf4df9c42f15af247ba33c3cad488e74c2" }, "target": { "record_id": "urn:uuid:029aee2c-2328-44a1-ac2b-49f13195ba5d", "version": 1, "content_hash": "sha256:8ad18f6dfda6e533242665eab4ac8874e7523c3ae3439e6ae46554541431857d" }, "published_grade": { "profile": "wrs-published-grade-1", "edition": "2026-10-28.1", "id": "besiii-hyperon-decay-angular-correlations-bell-like-tests-2025", "entry_id": "besiii-hyperon-decay-angular-correlations-bell-like-tests-2025", "revision": 1, "title": "Hyperon decay angular correlations and model-assisted Bell-like tests", "context": "Particle physics / quantum correlations", "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 BESIII Collaboration measured proton–antiproton angular correlations in J/psi radiative decays producing Lambda–anti-Lambda pairs. An amplitude analysis separated spin-singlet contributions from backgrounds, and the corrected angular distribution agreed with the singlet-state model. Selected decay geometries supported a Bell-like comparison for massive particles; the authors reported a 5.2-sigma Clauser–Horne-type comparison under their reconstruction and statistical assumptions.", "scope": "The BESIII Collaboration measured proton–antiproton angular correlations in J/psi radiative decays producing Lambda–anti-Lambda pairs. An amplitude analysis separated spin-singlet contributions from backgrounds, and the corrected angular distribution agreed with the singlet-state model. Selected decay geometries supported a Bell-like comparison for massive particles; the authors reported a 5.2-sigma Clauser–Horne-type comparison under their reconstruction and statistical assumptions. The decay directions are passive spin analyzers. Detection and freedom-of-choice loopholes remain open, and the reconstructed comparison uses amplitude modeling, background subtraction, acceptance corrections and normalization. The supplementary CHSH significance comes from model-generated pseudoexperiments. Numerical and notation discrepancies in the reported significance conversion and selection uncertainties require clarification. The angular-correlation inference depends on modelling and does not close all loopholes or exclude all local hidden-variable models.", "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 decay directions are passive spin analyzers. Detection and freedom-of-choice loopholes remain open, and the reconstructed comparison uses amplitude modeling, background subtraction, acceptance corrections and normalization. The supplementary CHSH significance comes from model-generated pseudoexperiments. Numerical and notation discrepancies in the reported significance conversion and selection uncertainties require clarification. The angular-correlation inference depends on modelling and does not close all loopholes or exclude all local hidden-variable models.", "references": [ { "title": "Test of local realism via entangled Lambda–anti-Lambda system (Nature Communications16:4948)", "url": "https://www.diva-portal.org/smash/get/diva2%3A1975600/FULLTEXT01.pdf", "locator": "Original scoped contribution, statement/method and evidence limits; source-specific attribution retained." }, { "title": "Supplementary Information: Test of local realism via entangled Lambda–anti-Lambda system", "url": "https://media.springernature.com/original/springer-static/esm/art%3A10.1038%2Fs41467-025-59498-4/MediaObjects/41467_2025_59498_MOESM1_ESM.pdf", "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:029aee2c-2328-44a1-ac2b-49f13195ba5d", "version": 1, "content_hash": "sha256:8ad18f6dfda6e533242665eab4ac8874e7523c3ae3439e6ae46554541431857d" }, "scientific_correctness_certified": false, "independent_expert_calibration": false, "method": "PROPRIETARY", "points": "40000" }, "canonical_agent_submission": false, "scientific_verification_awarded": false, "reader_guide": null, "reading_status": "SOURCE_LINKED_NOTE" }