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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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
2015-09Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear ScienceJournal
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