{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:JO42JJLQNB5VGVHPKJN7XZTNPC","short_pith_number":"pith:JO42JJLQ","schema_version":"1.0","canonical_sha256":"4bb9a4a570687b5354ef525bfbe66d78a91991779d70fe78db82f406a16675c4","source":{"kind":"arxiv","id":"2409.02062","version":2},"attestation_state":"computed","paper":{"title":"Symmetric Mass Generation with four SU(2) doublet fermions","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ph","hep-th"],"primary_cat":"hep-lat","authors_text":"Anna Hasenfratz, Nouman Butt, Simon Catterall","submitted_at":"2024-09-03T17:11:33Z","abstract_excerpt":"We study a single exactly massless staggered fermion in the fundamental representation of an $SU(2)$ gauge group. We utilize an nHYP-smeared fermion action supplemented with additional heavy Pauli-Villars fields which serve to decrease lattice artifacts. The phase diagram exhibits a clear two-phase structure with a conformal phase at weak coupling and a novel new phase, the Symmetric Mass Generation (SMG) phase, appearing at strong coupling. The SMG phase is confining with all states gapped and chiral symmetry unbroken. Our finite size scaling analysis provides strong evidence that the phase t"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2409.02062","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-lat","submitted_at":"2024-09-03T17:11:33Z","cross_cats_sorted":["hep-ph","hep-th"],"title_canon_sha256":"128666b49f54bb242de497ab169f507f384b4eb672fc727ea6062c9298a60fe8","abstract_canon_sha256":"0deee4617e4acfc60b34190f607873be4c680160bda0caca1cdb9db6333610ce"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:51:36.300785Z","signature_b64":"YeEl19z/yWUIeo9KodlXSBsvuPKU/MFcinrMwskNLCT65Atboyd6cep/HTrRz8A8EJkhhr+csRCN30cVBl4+Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4bb9a4a570687b5354ef525bfbe66d78a91991779d70fe78db82f406a16675c4","last_reissued_at":"2026-07-05T09:51:36.300198Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:51:36.300198Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Symmetric Mass Generation with four SU(2) doublet fermions","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ph","hep-th"],"primary_cat":"hep-lat","authors_text":"Anna Hasenfratz, Nouman Butt, Simon Catterall","submitted_at":"2024-09-03T17:11:33Z","abstract_excerpt":"We study a single exactly massless staggered fermion in the fundamental representation of an $SU(2)$ gauge group. We utilize an nHYP-smeared fermion action supplemented with additional heavy Pauli-Villars fields which serve to decrease lattice artifacts. The phase diagram exhibits a clear two-phase structure with a conformal phase at weak coupling and a novel new phase, the Symmetric Mass Generation (SMG) phase, appearing at strong coupling. The SMG phase is confining with all states gapped and chiral symmetry unbroken. Our finite size scaling analysis provides strong evidence that the phase t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2409.02062","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/2409.02062/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2409.02062","created_at":"2026-07-05T09:51:36.300270+00:00"},{"alias_kind":"arxiv_version","alias_value":"2409.02062v2","created_at":"2026-07-05T09:51:36.300270+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2409.02062","created_at":"2026-07-05T09:51:36.300270+00:00"},{"alias_kind":"pith_short_12","alias_value":"JO42JJLQNB5V","created_at":"2026-07-05T09:51:36.300270+00:00"},{"alias_kind":"pith_short_16","alias_value":"JO42JJLQNB5VGVHP","created_at":"2026-07-05T09:51:36.300270+00:00"},{"alias_kind":"pith_short_8","alias_value":"JO42JJLQ","created_at":"2026-07-05T09:51:36.300270+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2412.10322","citing_title":"Investigating SU(3) with Nf=8 fundamental fermions at strong renormalized coupling","ref_index":33,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/JO42JJLQNB5VGVHPKJN7XZTNPC","json":"https://pith.science/pith/JO42JJLQNB5VGVHPKJN7XZTNPC.json","graph_json":"https://pith.science/api/pith-number/JO42JJLQNB5VGVHPKJN7XZTNPC/graph.json","events_json":"https://pith.science/api/pith-number/JO42JJLQNB5VGVHPKJN7XZTNPC/events.json","paper":"https://pith.science/paper/JO42JJLQ"},"agent_actions":{"view_html":"https://pith.science/pith/JO42JJLQNB5VGVHPKJN7XZTNPC","download_json":"https://pith.science/pith/JO42JJLQNB5VGVHPKJN7XZTNPC.json","view_paper":"https://pith.science/paper/JO42JJLQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2409.02062&json=true","fetch_graph":"https://pith.science/api/pith-number/JO42JJLQNB5VGVHPKJN7XZTNPC/graph.json","fetch_events":"https://pith.science/api/pith-number/JO42JJLQNB5VGVHPKJN7XZTNPC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JO42JJLQNB5VGVHPKJN7XZTNPC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JO42JJLQNB5VGVHPKJN7XZTNPC/action/storage_attestation","attest_author":"https://pith.science/pith/JO42JJLQNB5VGVHPKJN7XZTNPC/action/author_attestation","sign_citation":"https://pith.science/pith/JO42JJLQNB5VGVHPKJN7XZTNPC/action/citation_signature","submit_replication":"https://pith.science/pith/JO42JJLQNB5VGVHPKJN7XZTNPC/action/replication_record"}},"created_at":"2026-07-05T09:51:36.300270+00:00","updated_at":"2026-07-05T09:51:36.300270+00:00"}