Gudrun Hiller (TU Dortmund) will tell us about the recent LHCb measurement of R_K probing lepton non-universality in b->s l+ l- decays. For theoretical background on the observable R_K, see this reference. For interpretations of the LHCb observation, see the following references:

http://journals.aps.org/prd/abstract/10.1103/PhysRevD.90.054014

http://arxiv.org/abs/arXiv:1408.1627

Another nice review by our speaker on this topic. We thank Michael Peskin for letting us know about this review.

Gudrun’s slides can be found here.