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Study of forward Z+jet production in pp collisions at $\sqrt{s} = 7$ TeV

Abstract : A measurement of the $Z(\rightarrow\mu^+\mu^-)$+jet production cross-section in $pp$ collisions at a centre-of-mass energy $\sqrt{s} = 7$ TeV is presented. The analysis is based on an integrated luminosity of $1.0\,\text{fb}^{-1}$ recorded by the LHCb experiment. Results are shown with two jet transverse momentum thresholds, 10 and 20 GeV, for both the overall cross-section within the fiducial volume, and for six differential cross-section measurements. The fiducial volume requires that both the jet and the muons from the Z boson decay are produced in the forward direction ($2.0<\eta<4.5$). The results show good agreement with theoretical predictions at the second-order expansion in the coupling of the strong interaction.
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Submitted on : Thursday, October 31, 2013 - 3:05:39 PM
Last modification on : Sunday, June 26, 2022 - 11:59:59 AM

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R. Aaij, Y. Amhis, S. Barsuk, O. Callot, J. He, et al.. Study of forward Z+jet production in pp collisions at $\sqrt{s} = 7$ TeV. Journal of High Energy Physics, Springer, 2014, 01, pp.033. ⟨10.1007/JHEP01(2014)033⟩. ⟨in2p3-00879013⟩



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