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Author (up) LHCb Collaboration (Aaij, R. et al); Fernandez Casani, A.; Jaimes Elles, S.J.; Jashal, B.K.; Libralon, S.; Martinez-Vidal, F.; Mazorra de Cos, J.; Oyanguren, A.; Rebollo De Miguel, M.; Sanderswood, I.; Zhuo, J. url  doi
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  Title Test of Lepton Flavor Universality with Bs0 → φl+ l- Decays Type Journal Article
  Year 2025 Publication Physical Review Letters Abbreviated Journal Phys. Rev. Lett.  
  Volume 134 Issue 12 Pages 121803 - 15pp  
  Keywords  
  Abstract Lepton flavor universality in rare b -> s transitions is tested for the first time using B-s(0) meson decays. The measurements are performed using pp collision data collected by the LHCb experiment between 2011 and 2018, corresponding to a total integrated luminosity of 9 fb(-1). Branching fraction ratios between the B-s(0) -> phi e(+) e(-) and B-s(0) -> phi mu(+) mu(-) decays are measured in three regions of dilepton mass squared, q(2), with 0.1 < q(2) < 1.1, 1.1 < q(2) < 6.0, and 15 < q(2) < 19 GeV2/c(4). The results agree with the standard model expectation of lepton flavor universality.  
  Address [Bonacci, R. B.; Dekkers, S.; Egede, U.; Fujii, Y.; Hadavizadeh, T.; Henderson, R. D. L.; Lane, J. J.; Liu, F. L.; Monk, M.; Song, R.; Walton, E. J.; Ward, J. A.] Monash Univ, Sch Phys & Astron, Melbourne, Australia  
  Corporate Author Thesis  
  Publisher Amer Physical Soc Place of Publication Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0031-9007 ISBN Medium  
  Area Expedition Conference  
  Notes WOS:001498267800002 Approved no  
  Is ISI yes International Collaboration yes  
  Call Number IFIC @ pastor @ Serial 6800  
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