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| BELLE2-TALK-DRAFT-2021-049 | |
BELLE2-TALK-CONF-2021-036 |
Cyrille Praz
24 May 2021
PHENO 2021
Abstract: An analysis of the B+→K+νν decay mode using 63~fb−1 of Υ(4S) data collected during the 2019 and 2020ab run by the Belle II experiment is reported. A new inclusive tagging method is used to enhance sensitivity to this rare process. The method is validated with dedicated samples including 9.2 fb−1 of data taken off resonance.
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