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Search for a structure in the B_{s}^{0}π^{±} invariant mass spectrum with the ATLAS experiment
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ATLAS Collaboration (Including: Ennis, Joseph Stanford, Farrington, Sinead, Harrison, P. F., Jelinskas, Adomas, Jeske, C., Martin, T. A., McNicol, Christopher John, Murray, W., Pianori, E. and Spangenberg, Martin). (2018) Search for a structure in the B_{s}^{0}π^{±} invariant mass spectrum with the ATLAS experiment. Physical Review Letters, 120 (20). 202007. doi:10.1103/PhysRevLett.120.202007 ISSN 0031-9007.
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Official URL: http://doi.org/10.1103/PhysRevLett.120.202007
Abstract
A search for the narrow structure, X(5568), reported by the D0 Collaboration in the decay sequence X→B_{s}^{0}π^{±}, B_{s}^{0}→J/ψϕ, is presented. The analysis is based on a data sample recorded with the ATLAS detector at the LHC corresponding to 4.9 fb^{-1} of pp collisions at 7 TeV and 19.5 fb^{-1} at 8 TeV. No significant signal was found. Upper limits on the number of signal events, with properties corresponding to those reported by D0, and on the X production rate relative to B_{s}^{0} mesons, ρ_{X}, were determined at 95% confidence level. The results are N(X)<382 and ρ_{X}<0.015 for B_{s}^{0} mesons with transverse momenta above 10 GeV, and N(X)<356 and ρ_{X}<0.016 for transverse momenta above 15 GeV. Limits are also set for potential B_{s}^{0}π^{±} resonances in the mass range 5550 to 5700 MeV.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
| SWORD Depositor: | Library Publications Router | ||||
| Journal or Publication Title: | Physical Review Letters | ||||
| Publisher: | American Physical Society | ||||
| ISSN: | 0031-9007 | ||||
| Official Date: | 18 May 2018 | ||||
| Dates: |
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| Volume: | 120 | ||||
| Number: | 20 | ||||
| Article Number: | 202007 | ||||
| DOI: | 10.1103/PhysRevLett.120.202007 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Reuse Statement (publisher, data, author rights): | ** From PubMed via Jisc Publications Router. ** History: received 08-02-2018; revised 29-03-2018. | ||||
| Access rights to Published version: | Open Access (Creative Commons) |
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