{"paper":{"title":"Large Time-dependent CP Violation in B_s^0 System and Finite D^0-D^0bar Mass Difference in Four Generation Standard Mode","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Andrea Soddu, Makiko Nagashima, Wei-Shu Hou","submitted_at":"2006-10-28T17:00:46Z","abstract_excerpt":"Combining the measured B_s mixing with b \\to s\\ell^+\\ell^- rate data, we find a sizable 4 generation t' quark effect is allowed, for example with m_{t'} \\sim 300 GeV and V_{t's}^*V_{t'b} \\sim 0.025 e^{\\pm i 70^\\circ}, which could underly the new physics indications in CP violation studies of b \\to s qbar q transitions. With positive phase, large and negative mixing-dependent CP violation in B_s system is predicted, \\sin 2\\Phi_{B_s} \\sim -0.5 to -0.7. This can also be probed via width difference methods. As a corollary, the short distance generated D^0-D^0bar mass difference is found to be cons"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0610385","kind":"arxiv","version":4},"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-ph/0610385/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"}