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First observation of the decay B$^0\to \psi$(2S)$\pi^0$

Submit Time: 2016-09-12
Author: Chobanova, V. and others 1 ;
Institute: 1.Belle Collaboration;


We report a measurement of the?B0→ψ(2S)π0?branching fraction based on the full?Υ(4S)?data set of?772×106?BB??pairs collected by the Belle detector at the KEKB asymmetric-energy?e+e??collider. We obtain?B(B0→ψ(2S)π0)=(1.17±0.17(stat)±0.08(syst))×10?5. The result has a significance of 7.2 standard deviations and is the first observation of the decay?B0→ψ(2S)π0.
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Keywords: Belle; ;
Recommended references: Chobanova, V. and others.(2016).First observation of the decay B$^0\to \psi$(2S)$\pi^0$.[ChinaXiv:201609.00825] (Click&Copy)
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[V1] 2016-09-12 09:01:31 chinaXiv:201609.00825V1 Download
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