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arXiv 0904.2106nucl-th
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协变输运模型中高能反应超核的形成

Formation of hypernuclei in high energy reactions within a covariant transport model

T. Gaitanos, H. Lenske, U. Mosel

摘要:

我们研究了在高相对论能量下质子和重离子诱导反应中具有奇异自由度的碎片的形成。所使用的模型是一个动态传输模型和碎片形成的统计方法相结合。我们详细讨论了这样一个混合模型的适用性和局限性,通过比较相对论$SIS/GSI$能量的观众碎片的数据。理论结果进行了分析的观众碎裂与奇异度的自由,如生产的单$Λ-{}^{3,4,5}He$超核。我们提供了轻超核的光谱和包容性截面的理论估计,这可能有助于未来在新的GSI和J-PARC设施的超核物理实验。

英文摘要:

We investigate the formation of fragments with strangeness degrees of freedom in proton- and heavy-ion-induced reactions at high relativistic energies. The model used is a combination of a dynamical transport model and a statistical approach of fragment formation. We discuss in detail the applicability and limitations of such a hybrid model by comparing data on spectator fragmentation at relativistic $SIS/GSI$-energies. The theoretical results are analyzed in terms of spectator fragmentation with strangeness degrees of freedom such as the production of single-$Λ-{}^{3,4,5}He$ hypernuclei. We provide theoretical estimates on the spectra and on inclusive cross sections of light hypernuclei, which could be helpful for future experiments on hypernuclear physics at the new GSI- and J-PARC-facilities.

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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