A study of radiative double electron capture in bare chromium ions at the ESR
A study of radiative double electron capture in bare chromium ions at the ESR
复制标题
裸铬离子在 ESR 中的辐射双电子俘获研究
DOI：
10.1088/0031-8949/2013/t156/014048
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发表时间：
2013
期刊：
影响因子：
2.9
通讯作者：
T. Stöhlker
中科院分区：
文献类型：
--
作者：
N. Winters;A. Warczak;J. Tanis;T. Gassner;A. Gumberidze;S. Hagmann;P. Hillenbrand;C. Kozhuharov;N. Petridis;R. Reuschl;M. Schwemlein;D. Sierpowski;U. Spillmann;R. Strzałka;S. Trotsenko;G. Weber;D. Winters;Z. Yin;T. Stöhlker
辐射双电子俘获是一个基本的原子过程，应该在裸离子与原子的碰撞中观察到，尽管它的截面积比单辐射电子俘获小得多。在达姆施塔特GSI实验储存环的内部气体喷射靶上，进行了一项新的实验--在单碰撞条件下观察这一罕见的过程。在裸铬离子(Cr24+)与氦和氮靶气体的30 MeV u−1碰撞中，观察到了与单电荷交换和双电荷交换有关的X射线能谱。
Radiative double electron capture is a fundamental atomic process which should be observed in collisions of bare ions with atoms, albeit with a much smaller cross-section than single radiative electron capture. A new experiment—to observe this rare process under single-collision conditions—has been performed at the internal gas jet target of the experimental storage ring at GSI in Darmstadt. X-ray spectra associated with single and double charge exchange have been observed in 30 MeV u−1 collisions of bare chromium ions (Cr24+) with helium and nitrogen target gases.