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TANG Gui-xin, ZHANG Wei-ning, LIU Yi-ming, HUO Lei, ZHANG Jing-bo, CHEN Xiang-jun. Sensitivity of HBT Parameters to Shape of π Source[J]. Nuclear Physics Review, 2004, 21(3): 188-191. DOI: 10.11804/NuclPhysRev.21.03.188
Citation: TANG Gui-xin, ZHANG Wei-ning, LIU Yi-ming, HUO Lei, ZHANG Jing-bo, CHEN Xiang-jun. Sensitivity of HBT Parameters to Shape of π Source[J]. Nuclear Physics Review, 2004, 21(3): 188-191. DOI: 10.11804/NuclPhysRev.21.03.188
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Sensitivity of HBT Parameters to Shape of π Source

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  • The HBT radius parameters and the HBT λ-parameters of single Gaussian source and double Gaussian source are investigated by using two-pion correlation function in HBT intensity interferometry. It is indicated that the radius parameter is insensitive to the spatial shape of the edge zone of source and is mainly affected by the size of the central zone of pions emitted in high energy heavy-ion collisions. The pions produced at the edge of source influence the λ parameter. The non-Gaus...
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