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CHARGE TRANSFER OF O~(5+) AND O~(4+) WITH CO AT keV ENERGIES

机译:O〜(5+)和O〜(4+)与keV能量下Co的电荷转移

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Charge transfer emission has been reported to be the dominant source of X-rays in cometary atmospheres. The emission model is based on the estimated charge transfer cross sections of solar wind minor/heavy ions and cometary neutrals. We report the results of our measurements on the absolute total one and multielectron transfer cross sections for O~(q+) (q = 5, 4) with CO at ~ 1.5q keV energies using a technique that combines a laser ablation ion source and a reflection time-of-flight mass spectrometer. The total single electron transfer cross sections for O~(5+) and O~(4+) ions with CO are 3.42( +- 0.50) x 10~(-15) and 2.91( +- 0.41) x 10~(-15) cm~2, respectively. The cross sections for multielectron transfer are 1.15( +- 0.37) x 10~(-15) and 1.03( +- 0.28) x 10~(-15) cm~2, respectively.
机译:据报道,电荷转移发射是彗星大气中X射线的主要来源。排放模型基于太阳风次/重离子和彗星中性粒子的估计电荷转移截面。我们使用结合激光烧蚀离子源和激光的技术报告了在CO〜〜1.5q keV能量下O〜(q +)(q = 5,4)的O〜(q +)(q = 5、4)的绝对全电子和多电子转移截面的测量结果。反射飞行时间质谱仪。带CO的O〜(5+)和O〜(4+)离子的总单电子转移截面为3.42(+-0.50)x 10〜(-15)和2.91(+-0.41)x 10〜(- 15)cm〜2。多电子转移的横截面分别为1.15(±0.37)×10〜(-15)和1.03(±0.28)×10〜(-15)cm〜2。

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