| Title | Measurement of the O 18 (α, γ) Ne 22 Reaction Rate at JUNA and Its Impact on Probing the Origin of SiC Grains |
| Author | Wang, L.H.1; Su, J.1; Shen, Y.P.2; He, J.J.1; Lugaro, M.3,4,5,6; Szányi, B.3,4,7; Karakas, A.I.6,8; Zhang, L.Y.1; Li, X.Y.1; Guo, B.2; Lian, G.2; Li, Z.H.2; Wang, Y.B.2; Chen, L.H.2; Cui, B.Q.2; Tang, X.D.9; Gao, B.S.9; Wu, Q.9; Sun, L.T.9; Wang, S.10; Sheng, Y.D.1; Chen, Y.J.1; Zhang, H.1; Li, Z.M.1; Song, L.Y.1; Jiang, X.Z.1; Nan, W.2; Nan, W.K.2; Zhang, L.2; Cao, F.Q.2; Jiao, T.Y.9; Ru, L.H.9; Cheng, J.P.1; Wiescher, M.11,12; Liu, W.P.2,13 
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| Publication Years | 2023-03-03
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| DOI | |
| Source Title | |
| ISSN | 0031-9007
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| EISSN | 1079-7114
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| Volume | 130Issue:9 |
| Abstract | The O18(α,γ)Ne22 reaction is critical for AGB star nucleosynthesis due to its connection to the abundances of several key isotopes, such as Ne21 and Ne22. However, the ambiguous resonance energy and spin-parity of the dominant 470 keV resonance leads to substantial uncertainty in the O18(α,γ)Ne22 reaction rate for the temperature of interest. We have measured the resonance energies and strengths of the low-energy resonances in O18(α,γ)Ne22 at the Jinping Underground Nuclear Astrophysics experimental facility (JUNA) with improved precision. The key 470 keV resonance energy has been measured to be Eα=474.0±1.1 keV, with such high precision achieved for the first time. The spin-parity of this resonance state is determined to be 1-, removing discrepancies in the resonance strengths in earlier studies. The results significantly improve the precision of the O18(α,γ)Ne22 reaction rates by up to about 10 times compared with the previous data at typical AGB temperatures of 0.1-0.3 GK. We demonstrate that such improvement leads to precise Ne21 abundance predictions, with an impact on probing the origin of meteoritic stardust SiC grains from AGB stars. © 2023 American Physical Society. |
| URL | [Source Record] |
| Indexed By | |
| Language | English
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| Important Publications | NI Journal Papers
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| SUSTech Authorship | Others
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| Funding Project | The authors thank the staff of the CJPL and Yalong River Hydropower Development Company and Tsinghua University for the laboratory support. The present work is supported by the National Natural Science Foundation of China (Grants No. 11490560, No. U1867211, No. 12275026, No. 12222514, No. 12005304, No. 12125509, and No. 11775133), the National Key R&D Program of China (Grant No. 2022YFA1603300 and No. 2022YFA1602301), the CAST Young Talent Support Plan, and the CNNC Science Fund for Talented Young Scholars. A.I.K. was supported by the Australian Research Council Centre of Excellence for All Sky Astrophysics in 3 Dimensions (ASTRO 3D), through Project No. CE170100013. M.W. was supported as a Wolfson Fellow of the Royal Society, at the University of Edinburgh, UK.The authors thank the staff of the CJPL and Yalong River Hydropower Development Company and Tsinghua University for the laboratory support. The present work is supported by the National Natural Science Foundation of China (Grants No. 11490560, No. U1867211, No. 12275026, No. 12222514, No. 12005304, No. 12125509, and No. 11775133), the National Key R&D Program of China (Grant No. 2022YFA1603300 and No. 2022YFA1602301), the CAST Young Talent Support Plan, and the CNNC Science Fund for Talented Young Scholars. A. I. K. was supported by the Australian Research Council Centre of Excellence for All Sky Astrophysics in 3 Dimensions (ASTRO 3D), through Project No. CE170100013. M. W. was supported as a Wolfson Fellow of the Royal Society, at the University of Edinburgh, UK.
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| WOS Research Area | Physics
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| WOS Subject | Physics, Multidisciplinary
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| WOS Accession No | WOS:000947237500001
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| Publisher | |
| EI Accession Number | 20231113702487
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| EI Keywords | Astrophysics
; Nucleosynthesis
; Silicon
; Silicon carbide
; Stars
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| ESI Classification Code | Nonferrous Metals and Alloys excluding Alkali and Alkaline Earth Metals:549.3
; Extraterrestrial Physics and Stellar Phenomena:657.2
; Chemical Reactions:802.2
; Inorganic Compounds:804.2
; Nuclear Physics:932.2
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| ESI Research Field | PHYSICS
|
| Data Source | EV Compendex
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| Citation statistics |
Cited Times [WOS]:0
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| Document Type | Journal Article |
| Identifier | http://kc.sustech.edu.cn/handle/2SGJ60CL/519730 |
| Department | College of Science |
| Affiliation | 1.Key Laboratory of Beam Technology of Ministry of Education, College of Nuclear Science and Technology, Beijing Normal University, Beijing; 100875, China 2.China Institute of Atomic Energy, P. O. Box 275(10), Beijing; 102413, China 3.Konkoly Observatory, Research Centre for Astronomy and Earth Sciences (CSFK), Eötvös Loránd Research Network (ELKH), Konkoly Thege Miklós út 15-17, Budapest; 1121, Hungary 4.Csfk, Mta Centre of Excellence, Konkoly Thege Miklós út 15-17, Budapest; H-1121, Hungary 5.Elte Eötvös Loránd University, Institute of Physics, Pázmány Péter sétány 1/A, Budapest; 1117, Hungary 6.School of Physics and Astronomy, Monash University, VIC; 3800, Australia 7.Graduate School of Physics, University of Szeged, Dom tér 9, Szeged; 6720, Hungary 8.Arc Centre of Excellence for All Sky Astrophysics in 3 Dimensions (ASTRO 3D), Australia 9.Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou; 730000, China 10.Shandong Provincial Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, Institute of Space Sciences, Shandong University, Weihai; 264209, China 11.Department of Physics and the Joint Institute for Nuclear Astrophysics, University of Notre Dame, Notre Dame; IN; 46556-5670, United States 12.Wolfson Fellow of Royal Society, School of Physics and Astronomy, University of Edinburgh, King's Buildings, Edinburgh; EH9 3FD, United Kingdom 13.College of Science, Southern University of Science and Technology, Shenzhen; 518055, China |
| Recommended Citation GB/T 7714 |
Wang, L.H.,Su, J.,Shen, Y.P.,et al. Measurement of the O 18 (α, γ) Ne 22 Reaction Rate at JUNA and Its Impact on Probing the Origin of SiC Grains[J]. PHYSICAL REVIEW LETTERS,2023,130(9).
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| APA |
Wang, L.H..,Su, J..,Shen, Y.P..,He, J.J..,Lugaro, M..,...&Liu, W.P..(2023).Measurement of the O 18 (α, γ) Ne 22 Reaction Rate at JUNA and Its Impact on Probing the Origin of SiC Grains.PHYSICAL REVIEW LETTERS,130(9).
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| MLA |
Wang, L.H.,et al."Measurement of the O 18 (α, γ) Ne 22 Reaction Rate at JUNA and Its Impact on Probing the Origin of SiC Grains".PHYSICAL REVIEW LETTERS 130.9(2023).
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