caa a22 4500 445872969 CHVBK 20180317145518.0 cr unu---uuuuu 170323e20110501xx s 000 0 eng 10.1140/epja/i2011-11065-8 doi (NATIONALLICENCE)springer-10.1140/epja/i2011-11065-8 Role of quark-interchange processes in evolution of mesonic matter [Elektronische Daten] [Yu Li, Xiao Xu, Hui Ge] We divide the cross-section for a meson-meson reaction into three parts. The first part is for the quark-interchange process, the second for quark-antiquark annihilation processes and the third for resonant processes. Master rate equations are established to yield time dependence of fugacities of pions, rhos, kaons and vector kaons. The equations include cross-sections for inelastic scattering of pions, rhos, kaons and vector kaons. Cross-sections for quark-interchange-induced reactions, that were obtained in a potential model, are parametrized for convenient use. The number densities of π and ρ (K and K * are altered by quark-interchange processes in equal magnitudes but opposite signs. The master rate equations combined with the hydrodynamic equations for longitudinal and transverse expansion are solved with many sets of initial meson fugacities. Quark-interchange processes are shown to be important in the contribution of the inelastic meson-meson scattering to the evolution of mesonic matter. SIF, Springer-Verlag Berlin Heidelberg, 2011 Li Yu Department of Physics, Shanghai University, 200444, Baoshan, Shanghai, China aut Xu Xiao Department of Physics, Shanghai University, 200444, Baoshan, Shanghai, China aut Ge Hui Department of Physics, Shanghai University, 200444, Baoshan, Shanghai, China aut The European Physical Journal A Springer-Verlag 47/5(2011-05-01), 1-12 1434-6001 47:5<1 2011 47 10050 https://doi.org/10.1140/epja/i2011-11065-8 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1140/epja/i2011-11065-8 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Li Yu Department of Physics, Shanghai University, 200444, Baoshan, Shanghai, China aut NATIONALLICENCE 700 1- Xu Xiao Department of Physics, Shanghai University, 200444, Baoshan, Shanghai, China aut NATIONALLICENCE 700 1- Ge Hui Department of Physics, Shanghai University, 200444, Baoshan, Shanghai, China aut NATIONALLICENCE 773 0- The European Physical Journal A Springer-Verlag 47/5(2011-05-01), 1-12 1434-6001 47:5<1 2011 47 10050 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer