Production of inclusive $\Upsilon$(1S) and $\Upsilon$(2S) in p-Pb collisions at $\mathbf{\sqrt{s_{{\rm NN}}} = 5.02}$ TeV
Phys.Lett. B740 (2015) 105-117
The ALICE collaboration

Abstract (data abstract)
CERN-LHC. We report on the production of inclusive $\Upsilon(1S)$ and $\Upsilon(2S)$ in p-Pb collisions at $\sqrt{s_{NN}} = 5.02$ TeV at the LHC. The measurement is performed with the ALICE detector at backward ($-4.46 < y_{{\rm cms}} < -2.96$) and forward ($2.03 < y_{{\rm cms}} < 3.53$) rapidity down to zero transverse momentum. The production cross section of the $\Upsilon(1S)$ and $\Upsilon(2S)$ are presented, as well as the nuclear modification factor and the ratio of the forward to backward yields of $\Upsilon(1S)$. The data sets were taken in 2013 with two beam configurations, p-Pb and Pb-p with integrated luminosities of 5.0 nb-1 and 5.8 nb-1, respectively.

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