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arXiv 1106.1748nucl-ex
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$^9$ be,$^9$ c,$^{10}$ c和$^{12}$ n核相对论解离中的成簇

Clustering in relativistic dissociation of $^9$be, $^9$c, $^{10}$c and $^{12}$n nuclei

D. A. Artemenkov, V. Bradnova, R. R. Kattabekov, K. Z. Mamatkulov, N. K. Kornegrutsa, D. O. Krivenkov, A. I. Malakhov, P. A. Rukoyatkin, V. V. Rusakova, R. Stan… 展开作者

D. A. Artemenkov, V. Bradnova, R. R. Kattabekov, K. Z. Mamatkulov, N. K. Kornegrutsa, D. O. Krivenkov, A. I. Malakhov, P. A. Rukoyatkin, V. V. Rusakova, R. Stanoeva, I. G. Zarubina, P. I. Zarubin

摘要:

本文报道了1.2AGeV能量的$^9$ Be、$^{9,10}$ C和$^{12}$ N核在核径迹乳胶中的离解特性。对于核$^9$ Be给出的数据可以被认为是在其结构中存在核的证据,该核以具有大致相等重量的$^8$ Be核的0 $^+$和2 $^+$状态的形式存在。事件的相干解离$^9$ C $\rightarrow 3^3$他与重排的核子以外的$α$ -聚类确定。首次得到了$^{10}$ C和$^{12}$ N核解离的电荷碎片拓扑图。未结合的核衰变对级联过程$^{10}$ C $\rightarrow ^9$ B $\rightarrow ^8$ Be的贡献被确定。

英文摘要:

The dissociation features in nuclear track emulsion of $^9$Be, $^{9,10}$C, and $^{12}$N nuclei of 1.2 A GeV energy are presented. The data presented for the nucleus $^9$Be can be considered as evidence that there is a core in its structure in the form of 0$^+$ and 2$^+$ states of the $^8$Be nucleus having roughly equal weights. Events of coherent dissociation $^9$C$\rightarrow 3^3$He associated with the rearrangement of the nucleons outside the $α$-clustering are identified. A pattern of the charge fragment topology in the dissociation of $^{10}$C and $^{12}$N nuclei is obtained for the first time. Contribution of the unbound nucleus decays to the cascade process $^{10}$C$\rightarrow ^9$B$\rightarrow ^8$Be is identified.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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