Measurement of $\Upsilon$ production in $pp$ collisions at $\sqrt{s}=2.76$ TeV

The LHCb collaboration
Eur.Phys.J.C 74 (2014) 2835, 2014.

Abstract (data abstract)
CERN-LHC. The production of Upsilon(1S), Upsilon(2S) and Upsilon(3S) mesons decaying into the dimuon final state is studied with the LHCb detector using a data sample corresponding to an integrated luminosity of 3.3 pb^{-1} collected in proton-proton collisions at a centre-of-mass energy of sqrt(s) = 2.76 TeV. The differential production cross-sections times dimuon branching fractions are measured as functions of the Upsilon transverse momentum and rapidity, over the ranges pT < 15 GeV and 2.0 < y < 4.5.

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