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Neutral pion production at midrapidity in pp and Pb–Pb collisions at √sNN=2.76TeV
ALICE Collaboration Tapia Takaki, Daniel
ALICE Collaboration
Tapia Takaki, Daniel
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Abstract
Invariant yields of neutral pions at midrapidity in the transverse momentum range 0.6<pT<12GeV/c measured in Pb–Pb collisions at sNN−−−√=2.76 TeV are presented for six centrality classes. The pp reference spectrum was measured in the range 0.4<pT<10GeV/c at the same center-of-mass energy. The nuclear modification factor, RAA, shows a suppression of neutral pions in central Pb–Pb collisions by a factor of up to about 8−10 for 5≲pT≲7GeV/c. The presented measurements are compared with results at lower center-of-mass energies and with theoretical calculations.
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This is the published version.
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2014-10-16
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Springer Verlag
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Tapia_midrapidity2014.pdf
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The ALICE Collaboration. "Neutral pion production at midrapidity in pp and Pb–Pb collisions at sNN−−−√=2.76TeV." The European Physical Journal C. October, 2014: v74(10). http://dx.doi.org/10.1140/epjc/s10052-014-3108-8