TY  - JOUR
AU  - LHCb Collaboration (Aaij, R. et al
AU  - Garcia Martin, L. M.
AU  - Henry, L.
AU  - Martinez-Vidal, F.
AU  - Oyanguren, A.
AU  - Remon Alepuz, C.
AU  - Ruiz Valls, P.
AU  - Ruiz Vidal, J.
AU  - Sanchez Mayordomo, C.
PY  - 2017
DA  - 2017//
TI  - Measurement of the Y(nS) polarizations in pp collisions at root s=7 and 8 TeV
T2  - J. High Energy Phys.
JO  - Journal of High Energy Physics
SP  - 110
EP  - 60pp
VL  - 12
IS  - 12
PB  - Springer
KW  - Hadron-Hadron scattering (experiments)
KW  - Particle and resonance production
KW  - Polarization
KW  - QCD
AB  - The polarization of the (sic) (1S), (sic) (2S) and (sic) (3S) mesons, produced in pp collisions at centre-of-mass energies root s = 7 and 8TeV, is measured using data samples collected by the LHCb experiment, corresponding to integrated luminosities of 1 and 2 fb(-1), respectively. The measurements are performed in three polarization frames, using (sic) -> μμdecays in the kinematic region of the transverse momentum p(T)((sic)) < 30 GeV/c and rapidity 2.2 < y((sic)) < 4.5. No large polarization is observed.
SN  - 1029-8479
UR  - http://arxiv.org/abs/1709.01301
UR  - https://doi.org/10.1007/JHEP12(2017)110
DO  - 10.1007/JHEP12(2017)110
LA  - English
N1  - WOS:000418559400001
ID  - LHCbCollaborationAaij_etal2017
ER  -