Search for B0 decays to invisible final states at Belle

C.-L. Hsu et al. (Belle Collaboration)
Phys. Rev. D 86, 032002 – Published 1 August 2012

Abstract

We report a search for B0 decays into invisible final states using a data sample of 657×106 BB¯ pairs collected at the Υ(4S) resonance with the Belle detector at the KEKB e+e collider. The signal is identified by fully reconstructing a hadronic decay of the accompanying B meson and requiring no other particles in the event. No significant signal is observed, and we obtain an upper limit of 1.3×104 at the 90% confidence level for the branching fraction of invisible B0 decay.

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  • Received 26 June 2012

DOI:https://doi.org/10.1103/PhysRevD.86.032002

© 2012 American Physical Society

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Vol. 86, Iss. 3 — 1 August 2012

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