PT Journal AU LHCb Collaboration (Aaij, Rea Martinez-Vidal, F Oyanguren, A Ruiz Valls, P Sanchez Mayordomo, C TI Forward production of Upsilon mesons in pp collisions at root s=7 and 8 TeV SO Journal of High Energy Physics JI J. High Energy Phys. PY 2015 BP 103 EP 34pp VL 11 IS 11 DI 10.1007/JHEP11(2015)103 LA English DE Spectroscopy; Quarkonium; Hadron-Hadron Scattering; QCD; Hard scattering AB The production of Upsilon mesons in pp collisions at root s = 7 and 8 TeV is studied with the LHCb detector using data samples corresponding to an integrated luminosity of 1 fb(-1) and 2 fb(-1) respectively. The production cross-sections and ratios of cross-sections are measured as functions of the meson transverse momentum p and rapidity y, for p < 30 GeV/c and 2.0 < y < 4.5. ER