Observation of the → D*+D*− decay
R Aaij, ASW Abdelmotteleb, C Abellan Beteta… - Journal of High Energy …, 2023 - Springer
R Aaij, ASW Abdelmotteleb, C Abellan Beteta, F Abudinén, T Ackernley, B Adeva, M Adinolfi…
Journal of High Energy Physics, 2023•SpringerA bstract The first observation of the\({B} _s^ 0\)→ D∗+ D∗− decay and the measurement of
its branching ratio relative to the B 0→ D∗+ D∗− decay are presented. The data sample
used corresponds to an integrated luminosity of 9 fb− 1 of proton-proton collisions recorded
by the LHCb experiment at centre-of-mass energies of 7, 8 and 13 TeV between 2011 and
2018. The decay is observed with more than 10 standard deviations and the time-integrated
ratio of branching fractions is determined to be
its branching ratio relative to the B 0→ D∗+ D∗− decay are presented. The data sample
used corresponds to an integrated luminosity of 9 fb− 1 of proton-proton collisions recorded
by the LHCb experiment at centre-of-mass energies of 7, 8 and 13 TeV between 2011 and
2018. The decay is observed with more than 10 standard deviations and the time-integrated
ratio of branching fractions is determined to be
Abstract
The first observation of the→ D∗+ D∗− decay and the measurement of its branching ratio relative to the B 0→ D∗+ D∗− decay are presented. The data sample used corresponds to an integrated luminosity of 9 fb− 1 of proton-proton collisions recorded by the LHCb experiment at centre-of-mass energies of 7, 8 and 13 TeV between 2011 and 2018. The decay is observed with more than 10 standard deviations and the time-integrated ratio of branching fractions is determined to be
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