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Search for Invisible Decay of the $��(1S)$
- Publication Year :
- 2006
- Publisher :
- arXiv, 2006.
-
Abstract
- We report results of a search for the invisible decay of the Upsilon(1S) via the Upsilon(3S)->pi+pi-Upsilon(1S) transition using a data sample of 2.9 fb^{-1} at the Upsilon(3S) resonance. The data were collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. No signal is found, and an upper limit for the branching fraction at the 90% confidence level is determined to be B(Upsilon(1S)->invisible) < 2.5x10^{-3}.<br />6 pages, 4 figures
- Subjects :
- High Energy Physics - Experiment (hep-ex)
FOS: Physical sciences
Subjects
Details
- Database :
- OpenAIRE
- Accession number :
- edsair.doi...........47783f55456832cb1423111ab983fa9a
- Full Text :
- https://doi.org/10.48550/arxiv.hep-ex/0611041