Research output: Contribution to journal › Conference article › peer-review
Study on e+e- → B(∗)(equation presented)(∗) and Υ(5S) → Υ(1S,2S)η('). / The BELLE collaboration.
In: Proceedings of Science, Vol. 398, 348, 12.05.2022.Research output: Contribution to journal › Conference article › peer-review
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TY - JOUR
T1 - Study on e+e- → B(∗)(equation presented)(∗) and Υ(5S) → Υ(1S,2S)η(')
AU - The BELLE collaboration
AU - Kovalenko, E.
N1 - Publisher Copyright: © Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND 4.0)
PY - 2022/5/12
Y1 - 2022/5/12
N2 - We report the first measurement of exclusive cross sections for e+e- → B(equation presented), e+e- → B(equation presented)∗, and e+e- → B∗ (equation presented)∗ in the energy range from 10.63 GeV to 11.02 GeV. The B mesons are fully reconstructed in a large number of hadronic final states, and the three channels are distinguished using the beam-energy-constrained mass variable. For each channel, the cross section shows an oscillatory behavior, with multiple maxima and minima. The final results on Υ(5S) → Υ(1S, 2S)η and Υ(5S) → Υ(1S)η' branching fractions are also presented. All these results are based on data collected by the Belle experiment at the KEKB asymmetric-energy e+e- collider.
AB - We report the first measurement of exclusive cross sections for e+e- → B(equation presented), e+e- → B(equation presented)∗, and e+e- → B∗ (equation presented)∗ in the energy range from 10.63 GeV to 11.02 GeV. The B mesons are fully reconstructed in a large number of hadronic final states, and the three channels are distinguished using the beam-energy-constrained mass variable. For each channel, the cross section shows an oscillatory behavior, with multiple maxima and minima. The final results on Υ(5S) → Υ(1S, 2S)η and Υ(5S) → Υ(1S)η' branching fractions are also presented. All these results are based on data collected by the Belle experiment at the KEKB asymmetric-energy e+e- collider.
UR - http://www.scopus.com/inward/record.url?scp=85130714606&partnerID=8YFLogxK
M3 - Conference article
AN - SCOPUS:85130714606
VL - 398
JO - Proceedings of Science
JF - Proceedings of Science
SN - 1824-8039
M1 - 348
T2 - 2021 European Physical Society Conference on High Energy Physics, EPS-HEP 2021
Y2 - 26 July 2021 through 30 July 2021
ER -
ID: 36188466