{"paper":{"title":"A CP asymmetry in e^+e^- \\to \\chi^0_i\\chi^0_j \\to \\chi^0_j \\tau stau_k with tau polarization","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"A. Bartl, O. Kittel, T. Kernreiter","submitted_at":"2003-09-30T12:49:19Z","abstract_excerpt":"We propose a CP-odd asymmetry in the supersymmetric process e^+e^- \\to \\chi^0_i \\chi^0_j \\to \\chi^0_j \\tau stau_k by means of the transverse \\tau polarization. We calculate the asymmetry and cross sections at a future linear collider in the 500 GeV c.m.s. energy range with longitudinal polarized beams and high luminosity. We work in the Minimal Supersymmetric Standard Model with complex parameters \\mu, M_1 and A_\\tau. The asymmetry can reach values up to 60 %. We also estimate the sensitivity for measuring the \\tau polarization necessary to probe the CP asymmetry."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0309340","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"}