Abstrakt: |
An estimate of the temperature of protons and π mesons in central He−Li, He−C, C−C, C−Ne, C−Cu, C−Pb, O−Pb, Mg−Mg interactions is presented. The results indicate an increase of the proton temperature with increasing mass numbers of projectile and target nuclei ( A, A) from T=(118±3) MeV for He−Li to T=(141±2) MeV for C−Pb. The temperature of π mesons does not depend on A, A and T≃95 MeV. A satisfactory fit for π mesons in C−Cu, C−Pb, O−Pb, Mg−Mg collisions can be achieved by using a form involving two temperatures, T and T. The relative yield of the high temperature component ( T) is ≅24% for C−Cu, C−Pb, and Mg−Mg interactions. The observed results for T in C−Ne, C−Cu and C−Pb collisions are consistent with the prediction of the thermodynamic hagedorn model. [ABSTRACT FROM AUTHOR] |