Free Positron Lifetime and oPs lifetime distribution in Polymer

机译：聚合物中自由正电子寿命和oPs寿命分布

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Polystyrene was characterized by PALS in the temperature range of 20 - 400 K. Three discrete component analyses were performed on the experimental spectra. Figure 1 shows the positron lifetime (τ2) shows different behaviours for low and high temperature regions, the transient between them corresponding to the detrapping of shallow trapped electrons.

机译：聚苯乙烯在20-400 K的温度范围内通过PALS进行表征。在实验光谱上进行了三个离散成分分析。图1显示了正电子寿命（τ2），显示了低温和高温区域的不同行为，它们之间的瞬变对应于浅层被俘获电子的去俘获。

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《Proceedings of the 9th international workshop on positron and positronium chemistry (PPC-9)》|2008年|70|共71页
会议地点 Wuhan(CN);Wuhan(CN)
作者
Nicolas LAFOREST; Corine BAS; Charles DAUWE; Jérémie De BAERDEMAEKER; N.DJOURELOV;
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LMOPS-UMR5041,Savoie Université,Campus Scientifique,73376 Le Bourget-du-lac Cedex,France NUMAT,Department of Subatomic and Radiation Physics,Ghent University,Proefstuinstraat 86,9000 Ghent,Belgium;

LMOPS-UMR5041,Savoie Université,Campus Scientifique,73376 Le Bourget-du-lac Cedex,France;

NUMAT,Department of Subatomic and Radiation Physics,Ghent University,Proefstuinstraat 86,9000 Ghent,Belgium;

NUMAT,Department of Subatomic and Radiation Physics,Ghent University,Proefstuinstraat 86,9000 Ghent,Belgium;

LMOPS-UMR5041,Savoie Université,Campus Scientifique,73376 Le Bourget-du-lac Cedex,France Institute for Nuclear Research and Nuclear Energy,Bulgarian Academy of Sciences,72 Tzarigradsko shoosse Blvd.,1784 Sofia,Bulgaria;

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中图分类原子核物理学;
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Free Positron Lifetime and oPs lifetime distribution in Polymer

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