Improved limits on B-0 decays to invisible ( plus gamma) final states

J.P. Lees; H.G. Raven; Collaboration BARBAR

doi:10.1103/PhysRevD.86.051105

Improved limits on B-0 decays to invisible ( plus gamma) final states

J.P. Lees, H.G. Raven, Collaboration BARBAR

(Astro)-Particles Physics

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Abstract

We establish improved upper limits on branching fractions for B0 decays to final states where the decay products are purely invisible (i.e., no observable final state particles) and for final states where the only visible product is a photon. Within the Standard Model, these decays have branching fractions that are below the current experimental sensitivity, but various models of physics beyond the Standard Model predict significant contributions for these channels. Using 471×106 BB̄ pairs collected at the Υ(4S) resonance by the BABAR experiment at the PEP-II e

Original language	English
Article number	051105
Journal	Physical Review D
Volume	86
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevD.86.051105
Publication status	Published - 2012

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title = "Improved limits on B-0 decays to invisible ( plus gamma) final states",

abstract = "We establish improved upper limits on branching fractions for B0 decays to final states where the decay products are purely invisible (i.e., no observable final state particles) and for final states where the only visible product is a photon. Within the Standard Model, these decays have branching fractions that are below the current experimental sensitivity, but various models of physics beyond the Standard Model predict significant contributions for these channels. Using 471×106 B{\=B} pairs collected at the Υ(4S) resonance by the BABAR experiment at the PEP-II e",

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JO - Physical Review D

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Improved limits on B-0 decays to invisible ( plus gamma) final states

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