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Preliminary Physics Summary: Inclusive $\Upsilon$ production in p-Pb collisions at $\sqrt{s_{\rm NN}} = 8.16$ TeV

The inclusive $\Upsilon$ production in p-Pb interactions at the centre-of-mass energy per nucleon-nucleon collision $\sqrt{s_{\rm NN}} = 8.16$ TeV is studied with the ALICE detector at the CERN LHC. The measurement has been performed reconstructing $\Upsilon$(1S) and $\Upsilon$(2S) mesons via their...

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Lenguaje:eng
Publicado: 2018
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Acceso en línea:http://cds.cern.ch/record/2317189
Descripción
Sumario:The inclusive $\Upsilon$ production in p-Pb interactions at the centre-of-mass energy per nucleon-nucleon collision $\sqrt{s_{\rm NN}} = 8.16$ TeV is studied with the ALICE detector at the CERN LHC. The measurement has been performed reconstructing $\Upsilon$(1S) and $\Upsilon$(2S) mesons via their dimuon decay channel, in the centre-of-mass rapidities $2.03 < y_{\rm cms} < 3.53$ and $-4.46 < y_{\rm cms} < -2.96$, down to zero transverse momentum. Preliminary results on the inclusive $\Upsilon$(1S) nuclear modification factors ($R_{\rm pPb}$) as a function of rapidity, transverse momentum ($p_{\rm T}$) and centrality of the collisions will be presented. The results will be compared with those obtained by ALICE in p-Pb collisions at $\sqrt{s_{\rm NN}} = 8.16$ TeV and with theoretical model calculations. The inclusive $\Upsilon$(2S) $R_{\rm pPb}$ will also be discussed and compared to the corresponding $\Upsilon(1S)$ measurement.