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arXiv 0711.2805nucl-th
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弱束缚弹核碎裂的出口通道模型

Exit Doorway Model for Nuclear Breakup of Weakly Bound Projectiles

M. S. Hussein, R. Lichtenthaler

摘要:

我们利用Austern-Blair理论推导了绝热极限下核破裂截面的封闭表达式。这些表达式适用于弱束缚核的分裂。出口门口,调解入口通道和破碎连续体之间的耦合的概念被使用。我们证明了标度律的有效性,即核分裂截面与靶的半径成线性关系。我们还比较了$^{11}$ Be、$^8$ B在几种靶上的核碎裂截面与最近的CDCC计算结果。

英文摘要:

We derive closed expressions for the nuclear breakup cross sections in the adiabatic limit using the Austern-Blair theory. These expressions are appropriate for the breakup of weakly bound nuclei. The concept of an exit doorway that mediates the coupling between the entrance channel and the breakup continuum is used. We prove the validity of the scaling law that dictates that the nuclear breakup cross section scales linearly with the radius of the target. We also compare our results for the nuclear breakup cross section of $^{11}$Be, $^8$B on several targets with recent CDCC calculation.

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