Observation of the decay Λb0 → pK−μ+μ− and a search for CP violation by Aaij, R, Adeva, B, Adinolfi, M, Evans, T, Gandini, P, Cazon, BR, Hadavizadeh, T, Harnew, N, Hill, DRF, Jalocha, PG, John, MJJ, Jurik, NP, Malde, S, Nandi, AK, Rollings, A, Topp-Joergensen, S, Veneziano, G, Wilkinson, GR, LHCb Collaboration (748 Others)