Search for the Decay B0s → J/ψπ0 at Belle Experiment
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2024
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Abstract
We report the first search for the decay B0s → J/ψπ0 using 121.4 fb−1 of data collected at Υ(5S) resonance state by the Belle detector at the KEKB asymmetric energy e+e− collider located at the High Energy Accelerator Research Organisation, Japan. We observe no signal and report an upper limit on the branching fraction, B(B0 s → J/ψπ0) of 1.21 × 10−5 at 90% confidence level. This result is the most
stringent, improving the previous bound by two orders of magnitude.
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Supervisor: Bhuyan, Bipul