Measurements of Absolute Electron Capture Cross Sections in He2+ -He and Ne8+ -O2, N2, CH4 Collisions
收藏科学数据银行2023-09-25 更新2026-04-23 收录
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资源简介：
To provide crucial EC cross section data for the establishment of plasma models in fusion research and astrophysical X-ray studies, the total absolute cross sections of single- and double- electron capture (SEC and DEC) in the collisions of He2+ with He and Ne8+ with O2, N2, and CH4 were studied in the energy ranges 3.5 to 50 keV/u and 2.8 to 40 keV/u, respectively. The experiment was carried out with a 150 kV highly charged ion collision platform at Fudan University. Through a deep analysis of the experimental systematic uncertainties in the measurement procedure and data evaluation, the error in the experimental results of the SEC cross sections is less than 9%. Within the uncertainties, the present results of the He2+ -He collision show good consistency with previous measurements, validating the experimental system and paving the way for precise measurements of EC cross sections for a variety of ions and neutral gases.
提供机构：
Yaming Zou; Bingsheng Tu; Institute of Modern Physics, Fudan University; Baihui Ren; Baoren Wei; Tianming Meng; Zixiao Zhang; Jiarong Wang; PUFANG MA; Zihan Xia
创建时间：
2023-09-13
