CAS OpenIR  > 中科院上海应用物理研究所2011-2020年
Reaction Rate Weighted Multilayer Nuclear Reaction Network
Liu, HL; Han, DD; Ji, P; Ma, YG
2020
Source PublicationCHINESE PHYSICS LETTERS
ISSN0256-307X
Volume37Issue:11Pages:-
Subtype期刊论文
AbstractNuclear reaction rate lambda is a significant factor in processes of nucleosyntheses. A multi-layer directed-weighted nuclear reaction network, in which the reaction rate is taken as the weight, and neutron, proton, He-4 and the remainder nuclei as the criteria for different reaction layers, is for the first time built based on all thermonuclear reactions in the JINA REACLIB database. Our results show that with the increase in the stellar temperature T-9, the distribution of nuclear reaction rates on the R-layer network demonstrates a transition from unimodal to bimodal distributions. Nuclei on the R-layer in the region of lambda = [1,2.5 x 10(1)] have a more complicated out-going degree distribution than that in the region of lambda = [10(11),10(13)], and the number of involved nuclei at T-9 = 1 is very different from the one at T-9 = 3. The redundant nuclei in the region of lambda = [1, 2.5 x 10(1)] at T-9 = 3 prefer (gamma, p) and (gamma,alpha) reactions to the ones at T-9 = 1, which produce nuclei around the beta stable line. This work offers a novel way to the big-data analysis on the nuclear reaction network at stellar temperatures.
KeywordR-PROCESS PROCESS NUCLEOSYNTHESIS COMPLEX NETWORKS COMPILATION ELEMENTS PHYSICS MERGERS
DOI10.1088/0256-307X/37/11/112601
Indexed BySCI
Language英语
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Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/33103
Collection中科院上海应用物理研究所2011-2020年
Affiliation1.Fudan Univ, Inst Modern Phys, Key Lab Nucl Phys & Ion Beam Applicat MOE, Shanghai 200433, Peoples R China
2.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
3.Fudan Univ, Sch Informat Sci & Technol, Shanghai 200433, Peoples R China
4.Fudan Univ, Inst Sci & Technol Brain Inspired Intelligence IS, Shanghai 200433, Peoples R China
Recommended Citation
GB/T 7714
Liu, HL,Han, DD,Ji, P,et al. Reaction Rate Weighted Multilayer Nuclear Reaction Network[J]. CHINESE PHYSICS LETTERS,2020,37(11):-.
APA Liu, HL,Han, DD,Ji, P,&Ma, YG.(2020).Reaction Rate Weighted Multilayer Nuclear Reaction Network.CHINESE PHYSICS LETTERS,37(11),-.
MLA Liu, HL,et al."Reaction Rate Weighted Multilayer Nuclear Reaction Network".CHINESE PHYSICS LETTERS 37.11(2020):-.
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