Abstract
Strongly interacting quark-gluon plasma (sQGP) was discovered in central heavy ion collisions at RHIC energies. Jet quenching is one of the sQGP evidence observed in particle yields suppression related to yields measured in elementary nucleon-nucleon collisions. System of Cu+Au collisions is characterized by special nuclear overlap geometry different to other large systems (such as Au+Au). Study of such collision systems will help to estimate sQGP properties with higher accuracy. Neutral mesons such as π0 give a good opportunity for studying sQGP effects especially jet quenching due to their large production rate. This paper presents results on neutral pion invariant differential spectra and nuclear modification factors measured with PHENIX experiment.
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