TY - JOUR ID - discovery131975 Y1 - 2002/04/09/ UR - http://dx.doi.org/10.1103/PhysRevLett.88.161802 TI - Upsilon Production and Polarization in p anti-p Collisions at s**(1/2) = 1.8 TeV N1 - © 2002 The American Physical Society JF - Physical Review Letters VL - 88 A1 - Lancaster, M A1 - Waters, DCDFC SN - 0031-9007 N2 - We report on measurements of the ?(1S), ?(2S), and ?(3S) differential cross sections (d2?/dpTdy)|y|<0.4, as well as on the ?(1S) polarization in pp? collisions at ?s = 1.8TeV using a sample of 77±3pb-1 collected by the collider detector at Fermilab. The three resonances were reconstructed through the decay ???+?-. The measured angular distribution of the muons in the ?(1S) rest frame is consistent with unpolarized meson production. IS - 16 AV - public ER -