Scientific objectives of the Hot Universe Baryon Surveyor (HUBS) mission

J Bregman, R Cen, Y Chen, W Cui, T Fang… - Science China Physics …, 2023 - Springer
Abstract The Hot Universe Baryon Surveyor (HUBS) is a proposed space-based X-ray
telescope for detecting X-ray emissions from the hot gas content in our universe. With its …

State-selective Charge Exchange in 19.5–100 keV amu− 1 O6+ Collision with He and H2

T Cao, T Meng, Y Gao, SF Zhang… - The Astrophysical …, 2023 - iopscience.iop.org
The cross sections of state-selective charge exchange (CX) between highly charged ions
and neutrals are important for modeling extreme ultraviolet and soft X-ray emissions in many …

Charge exchange between highly charged ions and atomic H for modelling comet C/1999 S4 X-ray emission

RT Zhang, T Liao, CJ Zhang, LP Zou… - Monthly Notices of …, 2023 - academic.oup.com
Solar wind (SW) charge exchange (CX) is an important mechanism responsible for X-ray
emissions in comets' coma and many other astrophysical environments. By incorporating the …

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

X Zhu, S Cui, D Xing, J Xu, B Najjari, D Zhao… - Chinese …, 2024 - iopscience.iop.org
The state-selective cross section data are useful for understanding and modeling the x-ray
emission in celestial observations. In the present work, using the cold target recoil ion …

Charge exchange in X-ray astrophysics

L Gu, C Shah - High-Resolution X-ray Spectroscopy: Instrumentation …, 2023 - Springer
Charge exchange is an atomic process that primarily occurs at interfaces between the
neutral and ionized gas. The study of the process has been carried out on three levels: the …

X-ray morphology due to charge-exchange emissions used to study the global structure around Mars

GY Liang, TR Sun, HY Lu, XL Zhu, Y Wu… - The Astrophysical …, 2023 - iopscience.iop.org
Soft X-ray emissions induced by solar wind ions that collide with neutral material in the solar
system have been detected around planets, and were proposed as a remote probe for solar …

A multi-ion non-equilibrium solver for ionised astrophysical plasmas with arbitrary elemental abundances

A Mathew, J Mackey, M Celeste, TJ Haworth… - arXiv preprint arXiv …, 2024 - arxiv.org
While many astrophysical plasmas can be modelled successfully assuming ionisation and
thermal equilibrium, in some cases this is not appropriate and a non-equilibrium approach is …

Time-dependent Lattice Cross Sections and Line Ratios for Solar Wind Charge Exchange: Bare Ne Incident on Atomic H and He

SJ Bromley, M Pindzola, D Bodewits… - The Astrophysical …, 2022 - iopscience.iop.org
Charge exchange (CX) between highly charged ions and neutrals within the geocorona and
heliosphere introduces a problematic background for every X-ray observation. For H-like …

Study of state-selective single-electron capture in slow Ne7+ colliding with He and H2 target

XB Zhu, DD Xing, KZ Lin, SC Cui, XL Zhu… - Journal of Physics B …, 2024 - iopscience.iop.org
Using the cold target recoil-ion momentum spectroscopy, we measured the state-selective
single electron capture in collisions of 3.5–6.3 keV u− 1 Ne 7+ ions and He and H 2. The Q …

Electron capture and excitation in intermediate-energy He2+-H(1s, 2s) collisions

Y Liu, C Jia, M Ma, X Gao, L Liu, Y Wu, X Chen… - Chinese …, 2024 - iopscience.iop.org
The semiclassical non-perturbative atomic orbital close-coupling approach has been
employed to study the electron capture and excitation processes in He2+-H (1s) and He2+ …