{"paper":{"title":"Z-mediated charge and CP asymmetries and FCNCs in $B_{d,s}$ processes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Chao-Qiang Geng, Chuan-Hung Chen, Wei Wang","submitted_at":"2010-06-27T14:39:10Z","abstract_excerpt":"We show model-independently that the negative like-sign charge asymmetry $(-A^b_{s\\ell})$ is less than $ 3.16\\times 10^{-3}$ when the constraints from the $B_q-\\bar B_q$ mixings and the time-dependent CP asymmetries (CPAs) for $B_q\\to J/\\Psi M_q$ with $M_q=K,\\phi$ and $q=d,s$ are taken into account. Although the result is smaller than the measured value by the D{\\O} Collaboration at Fermilab, there is still plenty of room to have new physics, which is sensitive to new CP violating effects, as the standard model (SM) prediction is $(2.3_{-0.5}^{+0.6})\\times 10^{-4}$. To illustrate the potential"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.5216","kind":"arxiv","version":3},"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"}