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Aug 16 – 21, 2019
Guilin Bravo Hotel, Guilin, China
Asia/Shanghai timezone

Production of X Resonances in B^-_c Decays

Aug 20, 2019, 11:10 AM
20m
Golden Cassia (Guilin Bravo Hotel, Guilin, China)

Golden Cassia

Guilin Bravo Hotel, Guilin, China

14 South Ronghu Road, Xiangshan, Guilin 541002, Guangxi, China
Parallel Session 1: Meson spectroscopy Session 1: Meson spectroscopy

Speaker

Dr Natsumi Ikeno (IFIC)

Description

We investigate the semileptonic B−c→ ̄νll X decays with X(=X(3930),X(3940),X(4160)) resonances. We take into account these resonances as dynamically generated from the vector–vector interaction in the charm sector. The X(3930) and X(3940) states are D∗ ̄D∗ molecules and the X(4160) is D∗s ̄D∗s molecule. We also look at the production of D∗ ̄D∗ and D∗s ̄D∗s close to threshold and we make predictions of the ratio of this differential mass distribution to the rate of production of the X resonances.

Primary author

Dr Natsumi Ikeno (IFIC)

Co-author

Prof. Eulogio Oset (IFIC, University of Valencia)

Presentation materials