Measurement of the forward <i>Z</i> boson production cross-section in <i>pp</i> collisions at √<i>s</i>=7 TeV



Aaij, R, Adeva, B, Adinolfi, M, Affolder, A, Ajaltouni, Z, Akar, S, Albrecht, J, Alessio, F, Alexander, M, Ali, S
et al (show 699 more authors) (2015) Measurement of the forward <i>Z</i> boson production cross-section in <i>pp</i> collisions at √<i>s</i>=7 TeV. JOURNAL OF HIGH ENERGY PHYSICS, 09 (8). 136-.

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Abstract

A measurement of the production cross-section of Z bosons in pp collisions at $\sqrt{s} = 13$ TeV is presented using dimuon and dielectron final states in LHCb data. The cross-section is measured for leptons with pseudorapidities in the range $2.0 < \eta < 4.5$, transverse momenta $p_\text{T} > 20$ GeV and dilepton invariant mass in the range $60<m(\ell\ell)<120$ GeV. The integrated cross-section from averaging the two final states is \begin{equation*}\sigma_{\text{Z}}^{\ell\ell} = 194.3 \pm 0.9 \pm 3.3 \pm 7.6\text{ pb,}\end{equation*} where the first uncertainty is statistical, the second is due to systematic effects, and the third is due to the luminosity determination. In addition, differential cross-sections are measured as functions of the Z boson rapidity, transverse momentum and the angular variable $\phi^*_\eta$.

Item Type: Article
Additional Information: All figures and tables, along with any supplementary material and additional information, are available at https://lhcbproject.web.cern.ch/lhcbproject/Publications/LHCbProjectPublic/LHCb-PAPER-2016-021.html
Uncontrolled Keywords: Electroweak interaction, Hadron-Hadron Scattering, proton-proton scattering, QCD, Forward physics
Depositing User: Symplectic Admin
Date Deposited: 06 Oct 2016 08:00
Last Modified: 14 Mar 2024 23:49
DOI: 10.1007/JHEP08(2015)039
Related URLs:
URI: https://livrepository.liverpool.ac.uk/id/eprint/3003625