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arXiv 1111.2913nucl-ex
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$^{124}$ Sn+ $^{136}$超导体熔合-蒸发研究:一个稀有事件实验分析

Study of $^{124}$Sn+$^{136}$Xe fusion-evaporation: analysis of a rare-event experiment

Benoît Avez, Antoine Drouart, Ch. Stodel, Cédric Simenel, J. Alcantara, M. Adamczyk, P. Banka, E. Bonnet, E. Clément, R. Dayras, C. Force, C. Golabek, A. Goncia… 展开作者

Benoît Avez, Antoine Drouart, Ch. Stodel, Cédric Simenel, J. Alcantara, M. Adamczyk, P. Banka, E. Bonnet, E. Clément, R. Dayras, C. Force, C. Golabek, A. Gonciarz, S. Grevy, K. Hauschild, D. Jacquet, A. Korichi, T. Kozik, P. Lazko, M. Morjean, A. Popeko, T. Roger, M. -G. Saint-Laurent, Z. Sosin, B. Sulignano, C. Theisen, A. Wieloch, A. Yeremin, B. Yilmaz, M. Zielinska

摘要:

本文用Ganil加速器提供的强氙束和LISE 3维恩滤光片研究了$^{124}$ Sn+ $^{136}$三元系的熔化蒸发过程。由于入射系统的质量对称性,光谱仪对光束的排斥是$5times10^8$量级的。因此,我们进行了详细的统计分析,以估计随机事件,并推断融合蒸发截面。没有发现明显的衰变事件,并推导出合成$^{257}$ Rf、$^{258}$ Rf和$^{259}$ Rf的上限截面分别为172 pb、87 pb和235 pb。

英文摘要:

Fusion-evaporation in the $^{124}$Sn+$^{136}$Xe system is studied using a high intensity xenon beam provided by the Ganil accelerator and the LISE3 wien filter for the selection of the products. Due to the mass symmetry of the entrance system, the rejection of the beam by the spectrometer was of the order of $5times10^8$. We have thus performed a detailed statistical analysis to estimate random events and to infer the fusion-evaporation cross sections. No signicant decay events were detected and upper limit cross sections of 172 pb, 87 pb and 235 pb were deduced for the synthesis of $^{257}$Rf, $^{258}$Rf and $^{259}$Rf, respectively.

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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