Journal of High Energy Physics Journal of high energy physics : JHEP The Lhcb Collaboration 2020, ' Search for the lepton flavour violating decay B + → K + μ − τ + using Bs2∗0 decays ', Journal of High Energy Physics, vol. 2020, no. 6, 129 . https://doi.org/10.1007/JHEP06(2020)129 Dipòsit Digital de la UB Universidad de Barcelona Journal of High Energy Physics, 2020(6):129. Springer Verlag Digital.CSIC. Repositorio Institucional del CSIC instname