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Search for the decay <math><mrow><msubsup><mrow><mi>B</mi></mrow><mrow><mi>s</mi></mrow><mrow><mn>0</mn></mrow></msubsup><mo>→</mo><msup><mrow><mi>π</mi></mrow><mrow><mn>0</mn></mrow></msup><msup><mrow><mi>π</mi></mrow><mrow><mn>0</mn></mrow></msup></mrow></math> at Belle
- Source :
- Physical Review
- Publication Year :
- 2023
- Publisher :
- APS, 2023.
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Abstract
- We report the results of the first search for the decay Bs0→π0π0 using 121.4 fb−1 of data collected at the ϒ(5S) resonance with the Belle detector at the KEKB asymmetric-energy e+e− collider. We observe no signal and set a 90% confidence level upper limit of 7.7×10−6 on the Bs0→π0π0 decay branching fraction.
Details
- Language :
- English
- Database :
- OpenAIRE
- Journal :
- Physical Review
- Accession number :
- edsair.od......3000..d271fd8284a278ffd328d99568d22dc4