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arXiv 0911.2085hep-phnucl-exnucl-th
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FAIR上的奇异和粲介子

Strange and charm mesons at FAIR

L. Tolos, D. Cabrera, D. Gamermann, C. Garcia-Recio, R. Molina, J. Nieves, E. Oset, A. Ramos

摘要:

在FAIR/GSI的CBM实验所期望的密度和温度的实验条件下,我们在自洽耦合通道方法内研究了热密物质中奇异和粲介子的性质。在有限温度下的介质中的解决方案帐户泡利阻塞效应,平均场绑定的所有重子参与,介子自能。我们分析的行为在这个热的和密集的环境中的动态产生的重子共振与密度和温度的奇怪和开放的魅力介子谱函数的演化。我们用能量加权求和规则检验了奇异介子的谱函数,最后讨论了粲介子的性质对D_{s0}(2317)和预测的X(3700)标量共振的影响.

英文摘要:

We study the properties of strange and charm mesons in hot and dense matter within a self-consistent coupled-channel approach for the experimental conditions of density and temperature expected for the CBM experiment at FAIR/GSI. The in-medium solution at finite temperature accounts for Pauli blocking effects, mean-field binding of all the baryons involved, and meson self-energies. We analyze the behaviour in this hot and dense environment of dynamically-generated baryonic resonances together with the evolution with density and temperature of the strange and open-charm meson spectral functions. We test the spectral functions for strange mesons using energy-weighted sum rules and finally discuss the implications of the properties of charm mesons on the D_{s0}(2317) and the predicted X(3700) scalar resonances.

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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