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首页> 外文期刊>The European physical journal, D. Atomic, molecular, and optical physics >Theoretical studies on dielectronic recombination of neonlike gold and its effects on plasma ionization balance and radiation energy
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Theoretical studies on dielectronic recombination of neonlike gold and its effects on plasma ionization balance and radiation energy

机译：氖状金的双电子复合及其对等离子体电离平衡和辐射能影响的理论研究

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摘要

The dielectronic recombination (DR) of neonlike gold ions is investigated employing the flexibleatomic code based on the relativistic configuration interaction method, and its influence on the ionizationbalance and radiation energy in high-temperature plasma is also studied. The total resonance strengthfor LMM configuration complex is in a good agreement with the experimental measurement and othertheoretical works. The DR rate coefficients are calculated and compared with the three-body recombinationand radiative recombination rate coefficients. The DR process is the dominant recombination mechanismof Ne-like gold ions for plasma with temperature T_e≥6.5 keV and density n_e≤ 2 x 10~(22)cm~(-3), whichis close to the condition of X-ray conversion region in the inertial confinement fusion. Moreover, the DRsatellite spectra of LMM, LMN and LMO resonances are simulated, and compared with the intensitiesof the corresponding resonance lines induced by the electron impact excitation. The intensity ratio of thesatellite line 3D' [(2p_(3/2)~53d_(2)3d_(5/2))_(J=2)–(2p~63d_(J=2)]and the resonance line 3D [(2/4/234/2)1–(2p~6)_(J=0)]is given, which can be applied for diagnostics of plasma temperature.
机译：基于相对论构型相互作用方法，利用柔性原子编码研究了类金离子的双电子复合（DR），研究了其对高温等离子体中电离平衡和辐射能的影响。 LMM配置复合体的总共振强度与实验测量和其他理论工作非常吻合。计算DR率系数，并将其与三体重组和辐射重组率系数进行比较。 DR过程是温度为T_e≥6.5keV且密度n_e≤2 x 10〜（22）cm〜（-3）的等离子体中Ne样金离子对等离子体的主要重组机制，该条件接近X射线转换区域的条件。在惯性约束聚变中此外，还模拟了LMM，LMN和LMO共振的DR卫星光谱，并将其与电子碰撞激发引起的相应共振线的强度进行了比较。卫星线3D'[（2p_（3/2）〜53d_（2）3d_（5/2））_（J = 2）–（2p〜63d_（J = 2）]与共振线3D的强度比给出了[（2/4/234/2）1-（2p〜6）_（J = 0）]，可用于等离子体温度的诊断。

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