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| Home > Measurement of the time-integrated mixing probability chi_d with a semileptonic double-tagging strategy and 34.6 fb^-1 of Belle II collision data |
| Home > Measurement of the time-integrated mixing probability chi_d with a semileptonic double-tagging strategy and 34.6 fb^-1 of Belle II collision data |
| BELLE2-CONF-PH-2021-004 |
Florian Bernlochner ; Jochen Dingfelder ; Stephan Duell ; Peter Lewis
06 April 2021
Abstract: We present a first measurement of the time-integrated mixing probability chi_d using Belle II collision data corresponding to the integrated luminosity of 34.6 fb^-1. We reconstruct pairs of B mesons both decaying in semileptonic final states. Using a novel extraction methodology, we measure 0.192 +- 0.010 (stat.) +- 0.016 (syst.), which is compatible with existing indirect and direct determinations.
Keyword(s): Belle II ; time-integrated mixing probability ; chi_d ; semileptonic decays
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