# EPS-HEP2021 conference

26-30 July 2021
Zoom
Europe/Berlin timezone

## New results on semileptonic $B$ meson decays from the Belle experiment

27 Jul 2021, 09:30
15m
Zoom

#### Zoom

Parallel session talk Flavour Physics and CP Violation

### Speaker

Lu Cao (FH (Forschung Hochenergiephysik))

### Description

Though the Belle experiment has stopped data taking more than a decade ago, new results on semileptonic $B$ meson decays are still being obtained. This is in part due to new experimental tools elaborated for Belle II applied to the Belle data set, such as the FEI (Full Event Interpretation) hadronic and semileptonic tag which enables new measurements of $B \to D^{*}\ell\nu$, $B \to D^{\ast\ast}\ell\nu$ and $B \to X\ell\nu$. Other analyses are motivated by the progress in theory such as the measurement of $q^{2}$ moments in $B \to X_{c}\ell\nu$, which allows for a determination of $|V_{cb}|$ up to the order $1/m_{b}^{4}$. This talk covers all new semileptonic $B$ decay results obtained with the Belle data set.

Collaboration / Activity Belle

### Primary authors

Shohei Nishida (BELLE (BELLE II Experiment)) Lu Cao (FH (Forschung Hochenergiephysik))