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Search for invisible decays of the upsilon(1S)
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(2009) Search for invisible decays of the upsilon(1S). Physical Review Letters, Vol.103 (No.25). article no. 251801. doi:10.1103/PhysRevLett.103.251801 ISSN 0031-9007.
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Official URL: http://dx.doi.org/10.1103/PhysRevLett.103.251801
Abstract
We search for invisible decays of the Upsilon(1S) meson using a sample of 91.4x10(6) Upsilon(3S) mesons collected at the BABAR/PEP-II B factory. We select events containing the decay Upsilon(3S)->pi(+)pi(-)Upsilon(1S) and search for evidence of an undetectable Upsilon(1S) decay recoiling against the dipion system. We set an upper limit on the branching fraction B(Upsilon(1S)-> invisible)< 3.0x10(-4) at the 90% confidence level.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QC Physics | ||||
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
| Journal or Publication Title: | Physical Review Letters | ||||
| Publisher: | American Physical Society | ||||
| ISSN: | 0031-9007 | ||||
| Official Date: | 18 December 2009 | ||||
| Dates: |
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| Volume: | Vol.103 | ||||
| Number: | No.25 | ||||
| Number of Pages: | 7 | ||||
| Page Range: | article no. 251801 | ||||
| DOI: | 10.1103/PhysRevLett.103.251801 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Funder: | DOE and NSF (USA), NSERC (Canada), CEA and CNRS-IN2P3 (France), BMBF and DFG (Germany), INFN (Italy), FOM (The Netherlands), NFR (Norway), MES (Russia), MEC (Spain), STFC (United Kingdom), Marie Curie EIF (European Union), A. P. Sloan Foundation |
Data sourced from Thomson Reuters' Web of Knowledge
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