Neutral pion production at midrapidity in pp and Pb-Pb collisions at sqrt (sNN)=2.76TeVстатья
Статья опубликована в высокорейтинговом журнале
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 2 апреля 2015 г.
Аннотация:nvariant yields of neutral pions at midrapidity in the transverse momentum range 0.6<pT<12 GeV/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<10 GeV/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≲7 GeV/c. The presented measurements are compared with results at lower center-of-mass energies and with theoretical calculations.