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Transverse momentum spectra of charged particles in proton-proton collisions at sqrt(s) = 900 GeV with ALICE at the LHC

By K. Aamodt, M. Chojnacki, P. Christakoglou, R. S. de Rooij, A. Grelli, C.G. Ivan, R. Kamermans, A. Mischke, G.J.L. Nooren, T. Peitzmann, E. Simili, M. van Leeuwen and M. Verweij


The inclusive charged particle transverse momentum distribution is measured in proton-proton collisions at $\sqrt{s} = 900$~GeV at the LHC using the ALICE detector. The measurement is performed in the central pseudorapidity region $(|\eta|_{\rm INEL}=0.483\pm0.001$~(stat.)~$\pm0.007$~(syst.)~GeV/$c$ and $\left_{\rm NSD}=0.489\pm0.001$~(stat.)~$\pm0.007$~(syst.)~GeV/$c$, respectively. The data exhibit a slightly larger $\left$ than measurements in wider pseudorapidity intervals. The results are compared to simulations with the Monte Carlo event generators PYTHIA and PHOJE

Year: 2010
OAI identifier: oai:dspace.library.uu.nl:1874/203037
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