Detailed Radiative Opacity Studies of a High-Temperature Gold Plasma

ZENG Jiao-Long; ZHAO Gang; YUAN Jian-Min

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Detailed Radiative Opacity Studies of a High-Temperature Gold Plasma

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@@ The radiative opacity of a gold plasma at a temperature of 360 eV and a density of 0.01 g/cm3 has been studied using a detailed level accounting (DLA) method. Under this plasma condition, the average ionization degree is 50.2. Dominant ion types in the plasma are Au+49, Au+50 and Au+51, which account for 18.3%, 33.1% and 32.6%, respectively. The spectrally resolved opacity shows complex fine structures. The result obtained by the DLA method is compared with that of the average atom model Detailed analyses are carried out to study the strongest absorption peaks caused by 3d- 4 f transitions near the photon energy of 2600 e V. To better understand the value of the Rosseland mean opacity, the radiative opacity around the energy region of the maximal Rosseland weighting function is also discussed in detail.

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《中国物理快报：英文版》 |2006年第3期|660-663|共4页
作者
ZENG Jiao-Long; ZHAO Gang; YUAN Jian-Min;
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National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012;

Department of Applied Physics, National University of Defense Technology, Changsha 410073;

National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012;

National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012;

Department of Applied Physics, National University of Defense Technology, Changsha 410073;

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正文语种 chi
中图分类物理学;
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Detailed Radiative Opacity Studies of a High-Temperature Gold Plasma

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