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Ionization and electron capture for H+ collisions at low keV energy with CCl4 molecules
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms ( IF 1.3 ) Pub Date : 2020-05-20 , DOI: 10.1016/j.nimb.2020.05.009
J.R. Legorreta , J. López-Patiño , B.E. Fuentes , F.B. Yousif , H. Martínez

Relative total ionization cross sections and fragment target ions have been measured for proton impact on CCl4 molecules for the first time, namely associated with the formation of CCl3+, CCl2+, CCl+, Cl2+, Cl+ and C+ ions. The experiment was conducted by crossing a proton beam of 2.5 to 10 keV with a CCl4 vapor target where the fragment ions were measured employing the time of flight technique. Relative fragment cross sections were added leading to the total relative cross section. All relative cross sections seem to be independent of the collisional energy. A qualitative comparison was conducted with previous measurements of electron impact experiments. Ratios of CCl3+/CCl2+, CCl3+/CCl+, CCl3+/C+ and CCl3+/Cl+ were compared to those obtained from electron impact experiments.



中文翻译:

Cke 4分子在低keV能量下的H +碰撞的电离和电子俘获

首次测量了相对总电离截面和碎片目标离子对CCl 4分子的质子影响,即与CCl 3 +,CCl 2 +,CCl +,Cl 2 +,Cl +和C +的形成有关离子。通过将2.5到10 keV的质子束与CCl 4交叉进行实验蒸气目标,其中使用飞行时间技术测量碎片离子。添加相对片段横截面,得到总相对横截面。所有相对横截面似乎都与碰撞能量无关。与先前的电子冲击实验测量结果进行了定性比较。将CCl 3 + / CCl 2 +,CCl 3 + / CCl +,CCl 3 + / C +和CCl 3 + / Cl +的比率与通过电子冲击实验获得的比率进行比较。

更新日期:2020-05-20
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