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Paper   IPM / Particles / 15619
School of Particles and Accelerator
  Title:   Large hadronic power corrections or new physics in the rare decay B->K* mu+ mu- ?
1.  Veronika Chobanova
2.  Tobias Hurth
3.  Farvah Mahmoudi
4.  Diego Martínez Santos
5.  Siavash Neshatpour
  Status:   Published
  Journal: JHEP
  No.:  025
  Vol.:  1707
  Year:  2017
  Supported by:  IPM
The well-known problem of the unknown power corrections within QCD improved factorisation leaves the interpretation of the so-called LHCb anomalies in the angular observables of B->K* mu+ mu- as an open problem. In order to contribute to the question whether they represent a first sign for new physics beyond the Standard Model or a consequence of underestimated hadronic power corrections, we present a direct comparison of two global fits to the data based on the two different assumptions. In addition, we summarise the possible options to resolve this puzzle in the future.

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