Belle II Document Server 2 records found  Search took 0.01 seconds. 
1. Measurement of branching fraction for B → K∗ℓℓ at Belle II / Seema Choudhury ; Soumen Halder ; Lopamudra Nayak ; Saurabh Sandilya ; et al [BELLE2-CONF-PROC-2022-007]
01 March 2022

This paper report the BR measurement of B → K∗ℓℓ decays using 189.26/fb of data collected during 2019–2021 by the Belle II experiment at the SuperKEKB e+e− asymmetric-energy collider, corresponding to (197.2±5.7)×106 BB ̄ events. [...]
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2. b->sll at Belle II / Seema Choudhury [BELLE2-TALK-DRAFT-2021-128] [BELLE2-TALK-CONF-2021-092]
06 September 2021
/ Anomalies and Precision in the Belle II era workshop
This talk summarises the lepton-flavor-universality ratio (RK & RK*) and angular observable (P5`) results from Belle and prospects at Belle II [...]
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