{"paper":{"title":"A Planned Jefferson Lab Experiment on Spin-Flavor Decomposition","license":"","headline":"","cross_cats":["hep-ph"],"primary_cat":"hep-ex","authors_text":"Donal day, Mark Jones, Peter Bosted, Xiaodong Jiang","submitted_at":"2004-12-02T18:18:45Z","abstract_excerpt":"Experiment E04-113 at Jefferson Lab Hall C plans to measure the beam-target double-spin asymmetries in semi-inclusive deep-inelastic $\\vec p(e, e^\\prime h)X$ and $\\vec d(e, e^\\prime h)X$ reactions ($h=\\pi^+, \\pi^-, K^+$ or$K^-$) with a 6 GeV polarized electron beam and longitudinally polarized NH$_3$ and LiD targets. The high statistic data will allow a spin-flavor decomposition in the region of $x=0.12 \\sim 0.41$ at $Q^2=1.21\\sim 3.14$ GeV$^2$. Especially, leading-order and next-to-leading order spin-flavor decomposition of $\\Delta u_v$, $\\Delta d_v$ and $\\Delta \\bar{u} - \\Delta \\bar{d}$ will"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/0412010","kind":"arxiv","version":1},"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"}