First observation of the decay B0 →ψ (2S)π0

Belle Collaboration

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

We report a measurement of the B0→ψ(2S)π0 branching fraction based on the full (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.

Original languageEnglish
Article number031101
JournalPhysical Review D
Volume93
Issue number3
DOIs
Publication statusPublished - 2016 Feb 23

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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