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arXiv 0812.1254nucl-thhep-ph
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最近的话题是介原子和介核-- $ϕ$介核存在吗?

Recent topics of mesic atoms and mesic nuclei -- $ϕ$ mesic nuclei exist ?--

J. Yamagata-Sekihara, S. Hirenzaki, D. Cabrera, M. J. Vicente Vacas

摘要:

我们研究了有限密度下$ϕ$ -介子在核中的产生,以研究$ϕ$ -介子谱函数的介质内修正。我们考虑(${\bar p},ϕ$),($γ,p$)和($π^-,n$)反应在核内产生$ϕ$ -介子,并评估介质修改对反应截面的影响.研究了束缚态$ϕ$ -介子核的结构。对于强吸收相互作用的情况,我们需要知道在一个宽的能量范围内的频谱形状来推导$ϕ$的性质。

英文摘要:

We study $ϕ$-meson production in nuclei to investigate the in-medium modification of the $ϕ$-meson spectral function at finite density. We consider (${\bar p},ϕ$), ($γ,p$) and ($π^-,n$) reactions to produce a $ϕ$-meson inside the nucleus and evaluate the effects of the medium modifications to reaction cross sections. The structures of the bound states, $ϕ$-mesic nuclei, are also studied. For strong absorptive interaction cases, we need to know the spectrum shape in a wide energy region to deduce the properties of $ϕ$.

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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