Absolute rate coefficients for dielectronic recombination of Na-like 
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msup><mml:mrow><mml:mi>Kr</mml:mi></mml:mrow><mml:mrow><mml:mn>25</mml:mn><mml:mo>+</mml:mo></mml:mrow></mml:msup></mml:math>

Huang, Zhongkui; Wen, Weiqiang; Wang, Shu-Xing; Khan, Nadir; Wang, H. B.; Chen, C. Y.; Zhang, C. Y.; Preval, S. P.; Badnell, N. R.; L., W.; Liu, X.; Chen, D. Y.; Zhu, Xiaolong; Zhao, Dongmei; Mao, Lijun; M., X.; Li, J.; Tang, M.T.; Mao, Ruishi; Yin, Dongmei; Yang, Weiqing; Jiang, Yang; Yuan, Y. J.; Zhu, Lin-Fan; Ma, Xiaoming

doi:10.1103/physreva.102.062823

Cited by 10 publications

(16 citation statements)

References 54 publications

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“…To comprehensively understand the measured DR rate coefficients at the CSRm and CSRe, the FAC is used to generate the DR cross-section. [23][24][25]28,29] The theoretical methods of FAC are described in detail in the references of Gu. [4,35] Here, we just give a very brief introduction to the theoretical treatment.…”

Section: Dr Cross Section Calculation and The Conversion To The Rate ...mentioning

confidence: 99%

“…DR rate coefficients for Na-like Kr 25+ ions have been reported, and detailed comparisons with the FAC and AU-TOSTRUCTURE calculations were made in Ref. [29]. The main findings are briefly outlined below.…”

Section: Dr Rate Coefficients For Na-like Kr 25+ Ionsmentioning

confidence: 99%

“…The reported data constitute a set of reliable benchmarks for use in plasma models and for testing theoretical calculations. [29]…”

Section: Dr Rate Coefficients For Na-like Kr 25+ Ionsmentioning

confidence: 99%

“…More recently, the main cooler storage ring (CSRm) and the experimental cooler storage ring (CSRe) at the Heavy Ion Research Facility in Lanzhou (HIRFL) started contributing DR rate coefficients for HCIs. Recombination experiments with 36 Ar 15+ , 40 Ar 12+,13+,14+,15+ , 40 Ca 14+,16+,17+ , 56 Fe 17+ , 58 Ni 19+ , and 76 Kr 25+ ions [20][21][22][23][24][25][26][27][28][29] have been accomplished at the CSRm in the past few years, and the first calibration experiment with Na-like Kr 25+ ions has been successfully performed at the CSRe. [30] In this paper, the recent progress on DR experiments at the HIRFL-CSRm and CSRe is overviewed.…”

Section: Introductionmentioning

confidence: 99%

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Absolute dielectronic recombination rate coefficients of highly charged ions at the storage ring CSRm and CSRe

Huang

Wang

et al. 2023

Chinese Phys. B

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Dielectronic recombination (DR) is one of the dominant electron-ion recombination mechanisms for most highly charged ions (HCIs) in cosmic plasmas, and thus, it determines the charge state distribution and ionization balance therein. To reliably interpret spectra from cosmic sources and model the astrophysical plasmas, precise DR rate coefficients are required to build up an accurate understanding of the ionization balance of the sources. The storage rings CSRm and CSRe at the Heavy-Ion Research Facility in Lanzhou (HIRFL) are both equipped with electron cooling devices, which provide an excellent experimental platform for electron-ion collision studies for HCIs. Here, the status of the DR experiments at the HIRFL-CSR is outlined, and the DR measurements with Na-like Kr25+ ions at the CSRm and CSRe are taken as examples. In addition, the plasma recombination rate coefficients for Ar12+, 14+, Ca14+, 16+, 17+, Ni19+, and Kr25+ ions obtained at the HIRFL-CSR are provided. All the data presented in this paper are openly available at https://www.scidb.cn/anonymous/UUpuSWZx.

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Section: Dr Cross Section Calculation and The Conversion To The Rate ...mentioning

confidence: 99%

Section: Dr Rate Coefficients For Na-like Kr 25+ Ionsmentioning

confidence: 99%

“…The reported data constitute a set of reliable benchmarks for use in plasma models and for testing theoretical calculations. [29]…”

Section: Dr Rate Coefficients For Na-like Kr 25+ Ionsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Absolute dielectronic recombination rate coefficients of highly charged ions at the storage ring CSRm and CSRe

Huang

Wang

et al. 2023

Chinese Phys. B

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“…In China, the Heavy Ion Research Facility at Lanzhou (HIRFL) [1,2] is one major national research facility focusing on nuclear physics, atomic physics, heavy ion applications, and interdisciplinary research. A series of remarkable results have been obtained at HIRFL [3][4][5][6][7][8]. Based on the effective construction and successful operation of HIRFL [9], a new facility named High-Intensity Heavy-Ion Accelerator Facility (HIAF) [10] has been proposed and designed by the Institute of Modern Physics (IMP), Chinese Academy of Sciences (CAS), in 2009.…”

Section: Introductionmentioning

confidence: 99%

Longitudinal Beam Dynamics for the Heavy-Ion Synchrotron Booster Ring at HIAF

et al. 2021

Self Cite

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To accelerate high-intensity heavy-ion beams to high energy in the booster ring (BRing) at the High-Intensity Heavy-Ion Accelerator Facility (HIAF) project, we take the typical reference particle 238U35+, which can be accelerated from an injection energy of 17 MeV/u to the maximal extraction energy of 830 MeV/u, as an example to study the basic processes of longitudinal beam dynamics, including beam capture, acceleration, and bunch merging. The voltage amplitude, the synchronous phase, and the frequency program of the RF system during the operational cycle were given, and the beam properties such as bunch length, momentum spread, longitudinal beam emittance, and beam loss were derived, firstly. Then, the beam properties under different voltage amplitude and synchronous phase errors were also studied, and the results were compared with the cases without any errors. Next, the beam properties with the injection energy fluctuation were also studied. The tolerances of the RF errors and injection energy fluctuation were dictated based on the CISP simulations. Finally, the effect of space charge at the low injection energy with different beam intensities on longitudinal emittance and beam loss was evaluated.

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Status of the high-intensity heavy-ion accelerator facility in China

Xiao-Hong

Jiang

2022

AAPPS Bull.

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Nuclear physics has been aiming at understanding of the origin, structure, and property of strongly interacting matters, which constitute nearly all visible matter in the universe. Despite tremendous breakthroughs and achievements over the past century, there still exists overarching questions that animate nuclear physics today and incite constructing next-generation heavy-ion accelerator complexes worldwide. In order to promote the national development of heavy-ion science and technology, China government approved the high-intensity heavy-ion accelerator facility (HIAF) in 2015, proposed by the Institute of Modern Physics, Chinese Academy of Sciences. HIAF is composed of a superconducting ion linear accelerator, a high-energy synchrotron booster, a high-energy radioactive isotope beam line, an experimental storage ring, and a few experimental setups. By using HIAF characterized with unprecedented intense ion beams from hydrogen through uranium, we can produce a large variety of exotic nuclear matters not normally found on the Earth, including super-heavy nuclides, short-lived extremely neutron-rich and proton-rich nuclides, finite nuclear matters in the quantum chromodynamics phase diagram, exotic nuclides containing hyperons, meson-nucleus-bound systems, and highly charged ions. Therefore, HIAF will bring researchers to the forefront of promoting the most vigorous and fascinating fields in nuclear physics, such as to explore the limits to the existence of nuclides in terms of proton and neutron numbers, to discover exotic nuclear structure and properties and then to study the physics behind, to understand the origin of heavy elements in the cosmos, to depict the phase diagram of strongly interacting matter, etc. In addition, HIAF will provide an excellent platform to develop heavy-ion applications in life science, space science, and material science. The construction of HIAF started up in December of 2018 and takes 7 years. The civil engineering and infrastructure are being constructed on time schedule and will be completed in July, 2023. R&D on key accelerator techniques are going on successfully, and prototypes of core devices are fabricated in collaboration with home and abroad universities, institutes, and companies. Presently, we come to the stage of invitation for bids and volume production of various apparatuses. We plan to start facility installation in summer of 2023. As a scientific user facility opening to domestic and oversea researchers, HIAF user community plays key roles in defining research programs and raising requirements. We call upon expertise, aspirations, and resources of a host of collaborators. Collaborations, dedicated to specific research subjects, are established and will be established. These collaborations develop new experimental techniques and methods and take responsibility for design and building of measurement systems. We have completed the design of experimental setups. A new gas-filled recoil separator and a novel storage-ring-based isochronous mass spectrometer are already built, and other measurement systems are under construction. The facility commissioning is scheduled at the end in the year of 2025. After into operation of the 2.5 billion Chinese yuan HIAF, this world-class facility will ensure the nation’s continued competitiveness in heavy-ion physics and technology through provision of outstanding discovery potential. Based on HIAF, we aim at establishing a world’s leading laboratory for research and education in nuclear science, accelerator physics and technology, and applications of energetic heavy ions to meet societal needs. In this paper, progress and status of civil engineering and infrastructure construction of HIAF are introduced, R&D on critical accelerator techniques and prototypes of core devices as well as development of new experimental techniques and methods are presented, and design and construction of experimental setups and the associated physics research programs are briefly depicted.

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Absolute rate coefficients for dielectronic recombination of Na-like Kr25+

Cited by 10 publications

References 54 publications

Absolute dielectronic recombination rate coefficients of highly charged ions at the storage ring CSRm and CSRe

Absolute dielectronic recombination rate coefficients of highly charged ions at the storage ring CSRm and CSRe

Longitudinal Beam Dynamics for the Heavy-Ion Synchrotron Booster Ring at HIAF

Status of the high-intensity heavy-ion accelerator facility in China

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