頁籤選單縮合
題 名 | Particle Production in Nucleus-Nucleus Collisions over an Energy Range from 1A GeV to 100A TeV |
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作 者 | Liu, Fu-hu; Allah, N. N. Abd; Singh, B. K.; | 書刊名 | Chinese Journal of Physics |
卷 期 | 44:3 民95.06 |
頁 次 | 頁189-201 |
分類號 | 339.5 |
關鍵詞 | |
語 文 | 英文(English) |
英文摘要 | The overlapping cylinder model (OCM), which is used in this paper considers three components: the longitudinal and transverse movements of the source and the inverse slope parameter of the particle momentum distribution. A comparison of our model calculations in terms of (pseudo)rapidity distributions with the most recent experiments is presented. A relatively strong longitudinal movement of the source is observed at above 1A GeV. From the SIS energy (1A GeV) to the maximum SPS energy (200A GeV), the same relative strengths of longitudinal movements are observed, and two completely overlapping cylinders can give a description of the experimental data. A stronger longitudinal movement is observed, and two partly overlapping cylinders are needed at higher energy (above 4A TeV). The slope parameters of the particle momentum distributions extracted from the (pseudo) rapidity distributions by the model increase with increasing incident energy. The calculated results of the overlapping cylinder model are in agreement with the experimental data over an energy range from 1A GeV to 100A TeV. |
本系統中英文摘要資訊取自各篇刊載內容。