{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:DE2WLW2EHDP7AEIS7HK5Y3FHKR","short_pith_number":"pith:DE2WLW2E","schema_version":"1.0","canonical_sha256":"193565db4438dff01112f9d5dc6ca7545f2508fb2e7c7b89b38006286568e02e","source":{"kind":"arxiv","id":"1609.05596","version":3},"attestation_state":"computed","paper":{"title":"$J/\\psi$ Production in Polarized and Unpolarized $ep$ Collision and Sivers and $\\cos2\\phi$ Asymmetries","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Asmita Mukherjee, Sangem Rajesh","submitted_at":"2016-09-19T04:18:14Z","abstract_excerpt":"We calculate the Sivers and $\\cos2\\phi$ azimuthal asymmetries in $J/\\psi$ production in polarized and unpolarized semi-inclusive $ep$ collision respectively, using the formalism based on transverse momentum dependent parton distributions (TMDs). Non-relativistic QCD based color octet model is employed for calculating the $J/\\psi$ production rate. The Sivers asymmetry in this process directly probes the gluon Sivers function. The estimated Sivers asymmetry at $z=1$ is negative which is in good agreement with COMPASS data. We also investigate the effect of TMD evolution on the Sivers asymmetry. "},"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":"1609.05596","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-09-19T04:18:14Z","cross_cats_sorted":[],"title_canon_sha256":"f69091f10ee2f3aa6a4564a5f54e3a45e27f1e6ef979f82de48b9049e03bb21f","abstract_canon_sha256":"d4382f587ebfa28e2d0f82f6da0150dc77b54e0a56cecfc8a1286abfe5d24ad5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:26:01.869169Z","signature_b64":"8WkaL6X08UHXNbkQCw+N/hT4eL5cRa/sTzm20JJ2W4Mja022BYqCL5nrDuiyFjFdOkIZ65+hzk6ezUVGSaFWBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"193565db4438dff01112f9d5dc6ca7545f2508fb2e7c7b89b38006286568e02e","last_reissued_at":"2026-05-18T00:26:01.868533Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:26:01.868533Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"$J/\\psi$ Production in Polarized and Unpolarized $ep$ Collision and Sivers and $\\cos2\\phi$ Asymmetries","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Asmita Mukherjee, Sangem Rajesh","submitted_at":"2016-09-19T04:18:14Z","abstract_excerpt":"We calculate the Sivers and $\\cos2\\phi$ azimuthal asymmetries in $J/\\psi$ production in polarized and unpolarized semi-inclusive $ep$ collision respectively, using the formalism based on transverse momentum dependent parton distributions (TMDs). Non-relativistic QCD based color octet model is employed for calculating the $J/\\psi$ production rate. The Sivers asymmetry in this process directly probes the gluon Sivers function. The estimated Sivers asymmetry at $z=1$ is negative which is in good agreement with COMPASS data. We also investigate the effect of TMD evolution on the Sivers asymmetry. "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.05596","kind":"arxiv","version":3},"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":"1609.05596","created_at":"2026-05-18T00:26:01.868612+00:00"},{"alias_kind":"arxiv_version","alias_value":"1609.05596v3","created_at":"2026-05-18T00:26:01.868612+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.05596","created_at":"2026-05-18T00:26:01.868612+00:00"},{"alias_kind":"pith_short_12","alias_value":"DE2WLW2EHDP7","created_at":"2026-05-18T12:30:12.583610+00:00"},{"alias_kind":"pith_short_16","alias_value":"DE2WLW2EHDP7AEIS","created_at":"2026-05-18T12:30:12.583610+00:00"},{"alias_kind":"pith_short_8","alias_value":"DE2WLW2E","created_at":"2026-05-18T12:30:12.583610+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":2,"sample":[{"citing_arxiv_id":"2605.19300","citing_title":"The twist-3 gluon contribution to $A_N$ in $J/\\psi$ production in $pp$ collisions","ref_index":26,"is_internal_anchor":true},{"citing_arxiv_id":"2509.01703","citing_title":"The N$^3$LO Twist-2 Matching of Linearly Polarized Gluon TMDs","ref_index":15,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/DE2WLW2EHDP7AEIS7HK5Y3FHKR","json":"https://pith.science/pith/DE2WLW2EHDP7AEIS7HK5Y3FHKR.json","graph_json":"https://pith.science/api/pith-number/DE2WLW2EHDP7AEIS7HK5Y3FHKR/graph.json","events_json":"https://pith.science/api/pith-number/DE2WLW2EHDP7AEIS7HK5Y3FHKR/events.json","paper":"https://pith.science/paper/DE2WLW2E"},"agent_actions":{"view_html":"https://pith.science/pith/DE2WLW2EHDP7AEIS7HK5Y3FHKR","download_json":"https://pith.science/pith/DE2WLW2EHDP7AEIS7HK5Y3FHKR.json","view_paper":"https://pith.science/paper/DE2WLW2E","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1609.05596&json=true","fetch_graph":"https://pith.science/api/pith-number/DE2WLW2EHDP7AEIS7HK5Y3FHKR/graph.json","fetch_events":"https://pith.science/api/pith-number/DE2WLW2EHDP7AEIS7HK5Y3FHKR/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DE2WLW2EHDP7AEIS7HK5Y3FHKR/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DE2WLW2EHDP7AEIS7HK5Y3FHKR/action/storage_attestation","attest_author":"https://pith.science/pith/DE2WLW2EHDP7AEIS7HK5Y3FHKR/action/author_attestation","sign_citation":"https://pith.science/pith/DE2WLW2EHDP7AEIS7HK5Y3FHKR/action/citation_signature","submit_replication":"https://pith.science/pith/DE2WLW2EHDP7AEIS7HK5Y3FHKR/action/replication_record"}},"created_at":"2026-05-18T00:26:01.868612+00:00","updated_at":"2026-05-18T00:26:01.868612+00:00"}