G. Tinti
University of Kansas
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Publication
Featured researches published by G. Tinti.
Physical Review Letters | 2013
P. Baringer; A. Bean; Gabriele Benelli; R. P. Kenny; M. Murray; D. Noonan; S. Sanders; R. Stringer; G. Tinti; Jeffrey Scott Wood; S. Chatrchyan; V. Khachatryan; A. M. Sirunyan; A. Tumasyan; W. Adam; E. Aguilo; T. Bergauer; M. Dragicevic
The polarizations of the Υ(1S), Υ(2S), and Υ(3S) mesons are measured in protonproton collisions at √ s = 7 TeV, using a data sample of Υ(nS) → μ+μ− decays collected by the CMS experiment, corresponding to an integrated luminosity of 4.9 fb−1. The dimuon decay angular distributions are analyzed in three different polarization frames. The polarization parameters λθ, λφ, and λθφ, as well as the frame-invariant quantity λ̃, are presented as a function of the Υ(nS) transverse momentum between 10 and 50 GeV, in the rapidity ranges |y| < 0.6 and 0.6 < |y| < 1.2. No evidence of large transverse or longitudinal polarizations is seen in the explored kinematic region. Submitted to Physical Review Letters c
Nuclear Physics B - Proceedings Supplements | 2012
G. Tinti
