Search for the and processes at
Journal Article
·
· Physical Review. D.
We search for the and processes at a center-of-mass energy of 10.745 GeV, which is close to the peak of the state. We use data collected by the Belle II experiment during a special run, corresponding to an integrated luminosity of . We reconstruct decays and use the meson’s recoil mass to search for the signals. We do not find evidence for either process, and set upper limits on the corresponding Born-level cross sections of 2.5 pb and 7.8 pb, respectively, at the 90% confidence level. The limit is the result of a combination of this analysis and a previous search using full reconstruction. Published by the American Physical Society 2024
- Sponsoring Organization:
- USDOE
- Grant/Contract Number:
- AC06-76RL01830; AC06-76RL01830
- OSTI ID:
- 2340235
- Journal Information:
- Physical Review. D., Journal Name: Physical Review. D. Journal Issue: 7 Vol. 109; ISSN PRVDAQ; ISSN 2470-0010
- Publisher:
- American Physical SocietyCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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