Large hadronic power corrections or new physics in the rare decay B -> K*mu(+)mu(-)?

作者：Chobanova V G^*; Hurth T; Mahmoudi F; Martinez Santos D; Neshatpour S

来源：The Journal of High Energy Physics, 2017, 2017(7): 025.

DOI：10.1007/JHEP07(2017)025

• Heavy Quark Physics
• Beyond Standard Model

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.

• 出版日期2017-7-6