ITP OpenIR  > SCI期刊论文
Xu, Y; Liu, GZ; Wu, YR; Zhu, MF; Yu, Z; Wang, HY; Zhao, EG; Xu, Y (reprint author), Jilin Univ, Ctr Theoret Phys, Changchun 130012, Peoples R China.
Direct Urca Processes with Hyperons in Cooling Neutron Stars
Source PublicationCHINESE PHYSICS LETTERS
Language英语
KeywordDouble Hyperfragment Superfluidity Hypernuclei Radiation Matter
AbstractIn the relativistic mean field approximation, the relativistic energy losses of the direct Urca processes with nucleons (N-DURCA) and hyperons (Y-DURCA) are studied in the degenerate baryon matter of neutron stars. We investigate the effects of hyperon degrees of freedom and the Y-DURCA processes on the N-DURCA processes, and the total neutrino emissivity of neutron star matter. The results show that the existence of hyperons decreases the abundance of protons and leptons, and can sharply suppress the neutrino emissivity of the N-DURCA processes.
2011
ISSN0256-307X
Volume28Issue:7Pages:79701
Subject AreaPhysics
Indexed BySCI
Funding OrganizationNational Natural Science Foundation of China [10675024, 11075063]; National Fundamental Project for Subsidy Funds of Personnel Training [J0730311] ; National Natural Science Foundation of China [10675024, 11075063]; National Fundamental Project for Subsidy Funds of Personnel Training [J0730311] ; National Natural Science Foundation of China [10675024, 11075063]; National Fundamental Project for Subsidy Funds of Personnel Training [J0730311] ; National Natural Science Foundation of China [10675024, 11075063]; National Fundamental Project for Subsidy Funds of Personnel Training [J0730311]
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Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/14327
CollectionSCI期刊论文
Corresponding AuthorXu, Y (reprint author), Jilin Univ, Ctr Theoret Phys, Changchun 130012, Peoples R China.
Recommended Citation
GB/T 7714
Xu, Y,Liu, GZ,Wu, YR,et al. Direct Urca Processes with Hyperons in Cooling Neutron Stars[J]. CHINESE PHYSICS LETTERS,2011,28(7):79701.
APA Xu, Y.,Liu, GZ.,Wu, YR.,Zhu, MF.,Yu, Z.,...&Xu, Y .(2011).Direct Urca Processes with Hyperons in Cooling Neutron Stars.CHINESE PHYSICS LETTERS,28(7),79701.
MLA Xu, Y,et al."Direct Urca Processes with Hyperons in Cooling Neutron Stars".CHINESE PHYSICS LETTERS 28.7(2011):79701.
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