CuCu Spectra Pi- Spectra

Shown here is the CuCu 22 GeV Pi- Spectra for teh 0-20% centrality bin from a subset of the data (4%)  The yields is 44.48+-0.26 and the Temp is 193MeV±.0023.  The efficiency used is from the AuAu 19 GeV data 30-50% Central Collisions.  It is inaccurate at low m_t-m_o since the AuAu data is at half field while the CuCu data is at full field.