Influence of Multiple Scattering on Two-Pion Correlation Measurements

TANG Gui-Xin; ZHANG Wei-Ning; LIU Yi-Ming; HUO Lei; ZHANG Jing-Bo

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Influence of Multiple Scattering on Two-Pion Correlation Measurements

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@@ Using the relativistic quantum molecular dynamics model, we study the influence of multiple scattering on the result of two-pion correlation measurements. The scales of pion spatial distribution are larger at thermal freezeout than at chemical freeze-out. By varying the value of the parameter of cross section from 0 to 90mb, we find that the sizes of pion source measured by two-particle correlation functions are almost independent of the parameter of cross section. However, λ parameters are sensitive to the parameter of cross section.

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《中国物理快报：英文版》 |2004年第8期|1498-1500|共3页
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TANG Gui-Xin; ZHANG Wei-Ning; LIU Yi-Ming; HUO Lei; ZHANG Jing-Bo;
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Department of Physics, Harbin Institute of Technology, Harbin 150001;

Department of Physics, Harbin Institute of Technology, Harbin 150001;

Department of Physics, Harbin Institute of Technology, Harbin 150001;

Department of Physics, Harbin Institute of Technology, Harbin 150001;

Department of Physics, Harbin Institute of Technology, Harbin 150001;

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Influence of Multiple Scattering on Two-Pion Correlation Measurements

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