{"paper":{"title":"Search for the Familon via $B^{\\pm}\\to \\pi^{\\pm}X^{0}$, $B^{\\pm}\\to K^{\\pm}X^{0}$, and $B^{0}\\to K_{S}^{0} X^{0}$ Decays","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"CLEO Collaboration, et al, R. Ammar","submitted_at":"2001-06-07T19:36:28Z","abstract_excerpt":"We have searched for the two-body decay of the B meson to a light pseudoscalar meson $h = \\pi^+, K^+, K^0_S$ and a massless neutral weakly-interacting particle $X^0$ such as the familon, the Nambu-Goldstone boson associated with a spontaneously broken global family symmetry. We find no significant signal by analyzing a data sample containing 9.7 million $B\\bar{B}$ mesons collected with the CLEO detector at the Cornell Electron Storage Ring, and set a 90% C.L. upper limit of $4.9 \\times 10^{-5}$ and $5.3 \\times 10^{-5}$ on the branching fraction for the decays $B^+ \\to h^+ X^0$ and $B^0 \\to K^0"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/0106038","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/hep-ex/0106038/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"}