{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:RC3N3UTNGI3QNMO37ITKFGKGJB","short_pith_number":"pith:RC3N3UTN","schema_version":"1.0","canonical_sha256":"88b6ddd26d323706b1dbfa26a299464849f6cbda75c1a3549c743a4c35073210","source":{"kind":"arxiv","id":"1212.3272","version":2},"attestation_state":"computed","paper":{"title":"Implications of effective axial-vector coupling of gluon for $t\\bar{t}$ spin polarizations at the LHC","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"A. Racioppi, E. Gabrielli, H. Veermae, M. Raidal","submitted_at":"2012-12-13T19:10:44Z","abstract_excerpt":"We analyze the impact of effective axial-vector coupling of the gluon on spin polarization observables in $t\\bar{t}$ pair production at the LHC. Working at leading order in QCD, we compute the $t\\bar{t}$ spin-correlation and left-right spin asymmetry coefficients in the helicity basis in the laboratory frame as functions of the new physics scale $\\Lambda$ associated with this coupling. We found that the $t\\bar{t}$ invariant mass dependent asymmetries are more sensitive to the scale $\\Lambda$ than the corresponding inclusive ones, in particular when suitable cuts selecting high $t\\bar{t}$ invar"},"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":"1212.3272","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-12-13T19:10:44Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"839ea07ac7a1f789132b8b3f9ea5f9361e15f4401060d413fdf942983593dd75","abstract_canon_sha256":"cda9fe56e8c0f36facfb01f62bf166649a0b2b3b63454aa60a181557e0a82c15"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:28:42.168909Z","signature_b64":"lWsV/lf3KOMhL8O/CE3TCw4UZgvmg8phirkKS1KopM5lg+0LzcPYntZ5H/skKdduzU+e52+MdQz0bx+koWo1Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"88b6ddd26d323706b1dbfa26a299464849f6cbda75c1a3549c743a4c35073210","last_reissued_at":"2026-05-18T03:28:42.168365Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:28:42.168365Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Implications of effective axial-vector coupling of gluon for $t\\bar{t}$ spin polarizations at the LHC","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"A. Racioppi, E. Gabrielli, H. Veermae, M. Raidal","submitted_at":"2012-12-13T19:10:44Z","abstract_excerpt":"We analyze the impact of effective axial-vector coupling of the gluon on spin polarization observables in $t\\bar{t}$ pair production at the LHC. Working at leading order in QCD, we compute the $t\\bar{t}$ spin-correlation and left-right spin asymmetry coefficients in the helicity basis in the laboratory frame as functions of the new physics scale $\\Lambda$ associated with this coupling. We found that the $t\\bar{t}$ invariant mass dependent asymmetries are more sensitive to the scale $\\Lambda$ than the corresponding inclusive ones, in particular when suitable cuts selecting high $t\\bar{t}$ invar"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.3272","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":""},"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":"1212.3272","created_at":"2026-05-18T03:28:42.168472+00:00"},{"alias_kind":"arxiv_version","alias_value":"1212.3272v2","created_at":"2026-05-18T03:28:42.168472+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.3272","created_at":"2026-05-18T03:28:42.168472+00:00"},{"alias_kind":"pith_short_12","alias_value":"RC3N3UTNGI3Q","created_at":"2026-05-18T12:27:20.899486+00:00"},{"alias_kind":"pith_short_16","alias_value":"RC3N3UTNGI3QNMO3","created_at":"2026-05-18T12:27:20.899486+00:00"},{"alias_kind":"pith_short_8","alias_value":"RC3N3UTN","created_at":"2026-05-18T12:27:20.899486+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/RC3N3UTNGI3QNMO37ITKFGKGJB","json":"https://pith.science/pith/RC3N3UTNGI3QNMO37ITKFGKGJB.json","graph_json":"https://pith.science/api/pith-number/RC3N3UTNGI3QNMO37ITKFGKGJB/graph.json","events_json":"https://pith.science/api/pith-number/RC3N3UTNGI3QNMO37ITKFGKGJB/events.json","paper":"https://pith.science/paper/RC3N3UTN"},"agent_actions":{"view_html":"https://pith.science/pith/RC3N3UTNGI3QNMO37ITKFGKGJB","download_json":"https://pith.science/pith/RC3N3UTNGI3QNMO37ITKFGKGJB.json","view_paper":"https://pith.science/paper/RC3N3UTN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1212.3272&json=true","fetch_graph":"https://pith.science/api/pith-number/RC3N3UTNGI3QNMO37ITKFGKGJB/graph.json","fetch_events":"https://pith.science/api/pith-number/RC3N3UTNGI3QNMO37ITKFGKGJB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/RC3N3UTNGI3QNMO37ITKFGKGJB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/RC3N3UTNGI3QNMO37ITKFGKGJB/action/storage_attestation","attest_author":"https://pith.science/pith/RC3N3UTNGI3QNMO37ITKFGKGJB/action/author_attestation","sign_citation":"https://pith.science/pith/RC3N3UTNGI3QNMO37ITKFGKGJB/action/citation_signature","submit_replication":"https://pith.science/pith/RC3N3UTNGI3QNMO37ITKFGKGJB/action/replication_record"}},"created_at":"2026-05-18T03:28:42.168472+00:00","updated_at":"2026-05-18T03:28:42.168472+00:00"}