Large hadronic power corrections or new physics in the rare decay $B→K^{∗}\mu^{+}\mu^{−}$? - Archive ouverte HAL
Article Dans Une Revue Journal of High Energy Physics Année : 2017

Large hadronic power corrections or new physics in the rare decay $B→K^{∗}\mu^{+}\mu^{−}$?

V.G. Chobanova
  • Fonction : Auteur
T. Hurth
  • Fonction : Auteur
D. Martinez Santos
  • Fonction : Auteur
S. Neshatpour
  • Fonction : Auteur

Résumé

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$^{∗}$ μ$^{+}$ μ$^{−}$ 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.

Dates et versions

hal-01582741 , version 1 (06-09-2017)

Identifiants

Citer

V.G. Chobanova, T. Hurth, F. Mahmoudi, D. Martinez Santos, S. Neshatpour. Large hadronic power corrections or new physics in the rare decay $B→K^{∗}\mu^{+}\mu^{−}$?. Journal of High Energy Physics, 2017, 07, pp.025. ⟨10.1007/JHEP07(2017)025⟩. ⟨hal-01582741⟩
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