Ionization of Molecular Hydrogen
Ionization of Molecular Hydrogen
复制标题
氢分子的电离
DOI：
10.1086/423890
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发表时间：
2004
期刊：
影响因子：
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通讯作者：
D. Shemansky
中科院分区：
文献类型：
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作者：
Xianming Liu;D. Shemansky
基于理论计算的电离振子强度和实验确定的激发形函数，得到了计算中性X1 π态和离子X2 π态任意离散振动能级之间跃迁的分子氢电子碰撞电离截面的一般模型.具体地说，从分析几个实验测量导出的激发形状函数和电离振子强度从vi = 0水平的X1 π中性状态的X2 π离子状态的离散能级的跃迁。导出的振子强度与Samson和Haddad在1994年的光吸收测量结果和Flannery及其同事在1977年的理论截面一致。导出的激发函数，沿着与Flannery及其同事的数据计算的vi > 0能级跃迁的振子强度，允许在宽的能量范围内精确计算H2在任何离散振动能级之间的非离解截面。
A general model, based on a theoretically calculated ionization oscillator strength and an experimentally determined excitation shape function, has been obtained for calculating the molecular hydrogen electron-impact ionization cross section of a transition between any discrete vibrational levels of the neutral X 1Σ state and ionic X 2Σ state. Specifically, the excitation shape function and ionization oscillator strength for transitions from the vi = 0 level of the X 1Σ neutral state to the discrete levels of the X 2Σ ionic state are derived from analyzing several experimental measurements. The derived oscillator strength is found to be consistent with the 1994 photoabsorption measurements of Samson & Haddad and the 1977 theoretical cross sections of Flannery and coworkers. The derived excitation function, along with the oscillator strengths for transitions involving the vi > 0 level calculated from the data of Flannery and coworkers, permits an accurate calculation of the nondissociative cross sections of H2 between any discrete vibrational levels over a wide energy range.
X. J. Liu 等人：“混合价金配合物 CsD22D2AuD22D2XD26D2(X=Cl 和 Br) 中的压力诱导相变。”J. Phys. 110. 9174-9178 (1999)
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