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Angular analysis and differential branching fraction of the decay B[subscript s][superscript 0] → ϕμ⁺μ⁻ s 0  → ϕμ + μ −

Author(s)
LHCB Collaboration; Ilten, Philip J; Williams, Michael
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Abstract
An angular analysis and a measurement of the differential branching fraction of the decay B[subscript s][superscript o] → ϕμ⁺μ⁻ are presented, using data corresponding to an integrated luminosity of 3.0 fb⁻¹ of pp collisions recorded by the LHCb experiment at √s = 7 and 8 TeV. Measurements are reported as a function of q², the square of the dimuon invariant mass and results of the angular analysis are found to be consistent with the Standard Model. In the range 1 < q² < 6 GeV² /c⁴, where precise theoretical calculations are available, the differential branching fraction is found to be more than 3σ below the Standard Model predictions.
Date issued
2015-09
URI
http://hdl.handle.net/1721.1/116173
Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear Science
Journal
Journal of High Energy Physics
Publisher
Springer Nature
Citation
Aaij, R. et al. “Angular analysis and differential branching fraction of the decay B[subscript s][superscript 0] → ϕμ⁺μ⁻.” Journal of High Energy Physics 2015, 9 (September 2015): 179 © 2015 The Author(s)
Version: Final published version
ISSN
1029-8479

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