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Upper limits on dark matter annihilation cross sections from the first AMS-02 antiproton data
Jin, HB; Wu, YL; Zhou, YF; Jin, HB (reprint author), State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
2015
发表期刊PHYSICAL REVIEW D
卷号92期号:5页码:55027
文章类型Article
摘要The first measurement on the antiproton to proton ratio by the AMS-02 collaboration agrees with the expectation from conventional cosmic-ray secondaries in the kinetic energy range similar to 20-100 GeV, which can be turned into stringent upper limits on the annihilation cross sections of dark matter (DM) above similar to 300 GeV. Using the GALPROP code, we derive the upper limits in various propagation models and DM profiles. We show that in the "conventional" propagation model, for the q (q) over bar, b (b) over bar, and W+W- final states, the constraints could be more stringent than that derived from the recent Ferm-LAT gamma-ray data on the dwarf spheroidal satellite galaxies. Making use of the typical minimal, median, and maximal models obtained from a previous GALPROP-based global fit to the preliminary AMS-02 data, we show that the variation of the upper limits is about a factor of five. The possibility of DM contributions to the low and very high energy (p) over bar /p data is discussed.
学科领域Astronomy & Astrophysics ; Physics
资助者National Basic Research Program of China (973 Program) [2010CB833000] ; National Basic Research Program of China (973 Program) [2010CB833000] ; National Basic Research Program of China (973 Program) [2010CB833000] ; National Basic Research Program of China (973 Program) [2010CB833000] ; National Nature Science Foundation of China (NSFC) [10905084, 11335012, 11475237] ; National Nature Science Foundation of China (NSFC) [10905084, 11335012, 11475237] ; National Nature Science Foundation of China (NSFC) [10905084, 11335012, 11475237] ; National Nature Science Foundation of China (NSFC) [10905084, 11335012, 11475237] ; National Basic Research Program of China (973 Program) [2010CB833000] ; National Basic Research Program of China (973 Program) [2010CB833000] ; National Basic Research Program of China (973 Program) [2010CB833000] ; National Basic Research Program of China (973 Program) [2010CB833000] ; National Nature Science Foundation of China (NSFC) [10905084, 11335012, 11475237] ; National Nature Science Foundation of China (NSFC) [10905084, 11335012, 11475237] ; National Nature Science Foundation of China (NSFC) [10905084, 11335012, 11475237] ; National Nature Science Foundation of China (NSFC) [10905084, 11335012, 11475237]
DOIhttp://dx.doi.org/10.1103/PhysRevD.92.055027
关键词[WOS]COSMIC-RAY PROPAGATION ; DENSITY ; TRANSPORT ; NUCLEI ; GALAXY
收录类别SCI
语种英语
资助者National Basic Research Program of China (973 Program) [2010CB833000] ; National Basic Research Program of China (973 Program) [2010CB833000] ; National Basic Research Program of China (973 Program) [2010CB833000] ; National Basic Research Program of China (973 Program) [2010CB833000] ; National Nature Science Foundation of China (NSFC) [10905084, 11335012, 11475237] ; National Nature Science Foundation of China (NSFC) [10905084, 11335012, 11475237] ; National Nature Science Foundation of China (NSFC) [10905084, 11335012, 11475237] ; National Nature Science Foundation of China (NSFC) [10905084, 11335012, 11475237] ; National Basic Research Program of China (973 Program) [2010CB833000] ; National Basic Research Program of China (973 Program) [2010CB833000] ; National Basic Research Program of China (973 Program) [2010CB833000] ; National Basic Research Program of China (973 Program) [2010CB833000] ; National Nature Science Foundation of China (NSFC) [10905084, 11335012, 11475237] ; National Nature Science Foundation of China (NSFC) [10905084, 11335012, 11475237] ; National Nature Science Foundation of China (NSFC) [10905084, 11335012, 11475237] ; National Nature Science Foundation of China (NSFC) [10905084, 11335012, 11475237]
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
引用统计
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/20856
专题理论物理所SCI论文
通讯作者Jin, HB (reprint author), State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
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Jin, HB,Wu, YL,Zhou, YF,et al. Upper limits on dark matter annihilation cross sections from the first AMS-02 antiproton data[J]. PHYSICAL REVIEW D,2015,92(5):55027.
APA Jin, HB,Wu, YL,Zhou, YF,&Jin, HB .(2015).Upper limits on dark matter annihilation cross sections from the first AMS-02 antiproton data.PHYSICAL REVIEW D,92(5),55027.
MLA Jin, HB,et al."Upper limits on dark matter annihilation cross sections from the first AMS-02 antiproton data".PHYSICAL REVIEW D 92.5(2015):55027.
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