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arXiv 0806.1804nucl-th
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$p-^6Li$融合中阈值附近$η-^7Be$相互作用的研究

Study of the $η-^7Be$ Interaction Near Threshold in $p-^6Li$ Fusion

N. J. Upadhyay, N. G. Kelkar, K. P. Khemchandani, B. K. Jain

备注：
To appear in the proceedings of IVth DAE-BRNS Workshop on HADRON PHYSICS, Aligarh Muslim University, Aligarh, 18-23 Feb. 2008
发表信息：
Int.J.Mod.Phys.E18:1383-1388,2009
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摘要：

我们提出了一个计算的$η$生产的$p-^6Li$融合阈值附近，包括$η-^7Be$最终状态的相互作用（FSI）。我们认为$^6Li$和$^7Be$核分别为$α-d$和$α-^3He$簇。对$^7Be$的最低态进行了计算，其中$J = ({3\over2}^-, {1\over2}^-)$由$L = $ 1径向波函数产生。通过$η-^7Be$ $T-$基质（由$η-^3He$和$η-α$系统的培养基改性基质构建）掺入$η-^7Be$相互作用。这些介质修正矩阵是通过求解几体方程得到的，其中考虑了核介质中的散射。

英文摘要：

We present a calculation for $η$ production in the $p-^6Li$ fusion near threshold including the $η-^7Be$ final state interaction (FSI). We consider the $^6Li$ and $^7Be$ nuclei as $α-d$ and $α-^3He$ clusters respectively. The calculations are done for the lowest states of $^7Be$ with $J = ({3\over2}^-, {1\over2}^-)$ resulting from the $L = $1 radial wave function. The $η-^7Be$ interaction is incorporated through the $η-^7Be$ $T-$matrix, constructed from the medium modified matrices for the $η-^3He$ and $η-α$ systems. These medium modified matrices are obtained by solving few body equations, where the scattering in nuclear medium is taken into account.

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