Jul 6 – 13, 2022
Bologna, Italy
Europe/Rome timezone

(Semi-)leptonic D decays at BESIII

Jul 7, 2022, 12:06 PM
17m
Room 9 (Indaco)

Room 9 (Indaco)

Parallel Talk Quark and Lepton Flavour Physics Quark and Lepton Flavour Physics

Speaker

Ilaria Balossino (Istituto Nazionale di Fisica Nucleare)

Description

BESIII has collected 2.93 and 6.32 $fb^-1$ of $e^+e^-$ collision data samples at 3.773 and
4.178-4.226 GeV, respectively. We will report precision measurements of $f_{Ds}$, $|V_{cs}|$
and test of lepton flavor universality by studying the leptonic decays of $D_s -> l^+ \nu$
with $\tau^+ -> \rho^+ \nu, \pi^+ \nu$, and $e^+ \nu \nu$. We will also report the observation of
semileptonic decay of $D^0 -> \rho^-\mu^+\nu$ and lepton flavor universality test, and the
studies of some other semileptonic decays, such as $D_s -> \pi^0\pi^0e^+\nu$ and $K_SK_Se^+\nu$.

In-person participation Yes

Primary author

Ilaria Balossino (Istituto Nazionale di Fisica Nucleare)

Co-author

Fabrizio Bianchi (Istituto Nazionale di Fisica Nucleare)

Presentation materials