{"paper":{"title":"Nonfactorization and the decays $D_s^+ \\to \\phi \\pi^+, \\phi \\rho^+$ and $\\phi l^+ \\nu_l$","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"A. B. Santra, A. N. Kamal","submitted_at":"1995-01-09T17:45:13Z","abstract_excerpt":"In six chosen scenarios for the $q^2$ dependence of the form factors involved in $D_s^+ \\rightarrow \\phi $ transition, we have determined the allowed domain of $x = A_2(0) / A_1(0)$ and $y = V(0)/A_1(0)$ from the experimentally measured ratios $R_{sl} = \\Gamma(D_s^+ \\rightarrow \\phi l^+ \\nu_l)/\\Gamma(D_s^+ \\rightarrow \\phi \\pi^+)$ and $R_h = \\Gamma(D_s^+ \\rightarrow \\phi \\rho^+)/\\Gamma(D_s^+ \\rightarrow \\phi \\pi^+)$ in a scheme that uses the $N_c =3$ value of the phenomenological parameter $a_1$ and includes nonfactorized contribution. We find that the experimentally measured values of $x$ and"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9501246","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"}