Neutral pion production at midrapidity in pp and Pb–Pb collisions at √ sNN TeV

The ALICE collaboration

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Abstract

Invariant yields of neutral pions at midrapidity in the transverse momentum range (Formula presented.)c measured in Pb–Pb collisions at (Formula presented.) TeV are presented for six centrality classes. The pp reference spectrum was measured in the range (Formula presented.)c at the same center-of-mass energy. The nuclear modification factor, (Formula presented.), shows a suppression of neutral pions in central Pb–Pb collisions by a factor of up to about (Formula presented.) for (Formula presented.) ≲(Formula presented.)c. The presented measurements are compared with results at lower center-of-mass energies and with theoretical calculations.

Original languageEnglish (US)
Article number3108
Pages (from-to)1-20
Number of pages20
JournalEuropean Physical Journal C
Volume74
Issue number10
DOIs
StatePublished - Oct 21 2014

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All Science Journal Classification (ASJC) codes

  • Engineering (miscellaneous)
  • Physics and Astronomy (miscellaneous)

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