頁籤選單縮合
題 名 | Enhancement of the Sub-Barrier Fusion Cross Sections Using Approximate Force |
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作 者 | Farra, A. A.; | 書刊名 | Chinese Journal of Physics |
卷 期 | 46:4 2008.08[民97.08] |
頁 次 | 頁416-424 |
分類號 | 337 |
關鍵詞 | |
語 文 | 英文(English) |
英文摘要 | The fusion excitation function and the distribution of the barrier for the ¹²C + ⁹²Zr and ¹⁶O+ ⁹²Zr systems have been calculated reasonably well within the framework of the fusion coupled-channel calculations. The real part of the nuclear potential is given in terms of the approximate force, and the imaginary potential is assumed to have a phenomenological Woods-Saxon form. The single-barrier penetration model provides a good description of the data at energies close to the Coulomb barrier. The present work brings out the importance of the inclusion of the lowest collective 2⁺and 3⁻ states of ⁹²Zr in explaining the fusion cross sections. The present predictions of the coupled channel calculations agree with the experimentally determined fusion barrier distributions. |
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