{"paper":{"title":"Suppression of the S-wave production of (3/2)^+ + (1/2)^- heavy meson pairs in e^+e^- annihilation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"M.B. Voloshin, Xin Li","submitted_at":"2013-07-03T16:36:17Z","abstract_excerpt":"The heavy meson-antimeson pairs, where one is an excited $\\bigl ({3 \\over 2} \\bigr) ^+ $ meson and the other is a ground state $\\bigl ({1 \\over 2} \\bigr) ^-$ meson, namely the pairs ($D_1(2420) \\bar D$ + c.c.), ($D_1(2420) \\bar D^*$ + c.c.), ($D_2(2460) \\bar D^*$ + c.c.) in the charm sector and ($B_1(5721) \\bar B$ + c.c.), ($B_1(5721) \\bar B^*$ + c.c.), ($B_2(5747) \\bar B^*$ + c.c.) in the bottom sector, are allowed, by the quantum numbers, to be produced in the $S$ wave in $e^+e^-$ annihilation. We show, however, that such $S$-wave production is forbidden by the heavy quark spin symmetry. Thu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.1072","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"}