首页|State-selective charge exchange cross sections in collisions of highly-charged sulfur ions with helium and molecular hydrogen

State-selective charge exchange cross sections in collisions of highly-charged sulfur ions with helium and molecular hydrogen

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The state-selective cross section data are useful for understanding and modeling the x-ray emission in celestial obser-vations.In the present work,using the cold target recoil ion momentum spectroscopy,for the first time we investigated the state-selective single electron capture processes for Sq+-He and H2(q=11-15)collision systems at an impact energy of q x 20 keV and obtained the relative state-selective cross sections.The results indicate that only a few principal quantum states of the projectile energy level are populated in a single electron capture process.In particular,the increase of the projectile charge state leads to the population of the states with higher principal quantum numbers.It is also shown that the experimental averaged n-shell populations are reproduced well by the over-barrier model.The database is openly available in Science Data Bank at 10.57760/sciencedb.j00113.00091.

highly charged sulfur ioncharge exchangestate-selective cross sectionsCOLTRIMS

朱小龙、崔述成、邢大地、徐佳伟、B.Najjari、赵冬梅、郭大龙、高永、张瑞田、苏茂根、张少锋、马新文

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Institute of Modem Physics,Chinese Academy of Sciences,Lanzhou 730000,China

School of Nuclear Science and Technology,University of Chinese Academy of Sciences,Beijing 100049,China

Key Laboratory of Atomic and Molecular Physics and Functional Materials of Gansu Province,College of Physics and Electronic Engineering,Northwest Normal University,Lanzhou 730070,China

Joint Laboratory of Atomic and Molecular Physics,Northwest Normal University and Institute of Modem Physics,Chinese Academy of Sciences,Lanzhou 730070,China

Advanced Energy Science and Technology,Guangdong Laboratory,Huizhou 516000,China

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National Key Research and Development Program of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaStrategic Priority Research Program of the Chinese Academy of SciencesHeavy Ion Research Facility in Lanzhou(HIRFL)

2017YFA04024001197435811934004XDB34020000

2024

10.1088/1674-1056/ad0b01

中国物理B(英文版)
中国物理学会和中国科学院物理研究所

中国物理B(英文版)

CSTPCDEI
影响因子：0.995
ISSN：1674-1056
年,卷(期)：2024.33(2)
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