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题名: Constraint on the abundance of primordial black holes in dark matter from Planck data
作者: Chen, L ;  Huang, QG ;  Wang, K
刊名: JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
出版日期: 2016
期号: 12, 页码:44
关键词: cosmological parameters from CMBR ;  gravitational waves / sources
学科分类: Astronomy & Astrophysics; Physics
DOI: http://dx.doi.org/10.1088/1475-7516/2016/12/044
通讯作者: Chen, L (reprint author), Chinese Acad Sci, Inst Theoret Phys, Key Lab Theoret Phys, Beijing 100190, Peoples R China.
文章类型: Article
英文摘要: We use Planck data released in 2015 to constrain the abundance of primordial black holes (PBHs) in dark matter in two different reionization models (one is the instantaneous reionization and the other is the asymmetric reionization), and significantly improve the existing upper limits on the abundance of PBHs by around two orders of magnitude. These new limits imply that the event rates of mergers of PBH binaries (Gpc(-3)yr(-1)) are less than 0 : 002 for M-pbh -30 M-circle dot, 5 for M-pbh - 10 M-circle dot and 2000 for M-pbh = 2 M-circle dot at 95% confidence level (C.L.), and thus the gravitational-wave event GW150914 is very unlikely produced by the merger of a PBH binary.
类目[WOS]: Astronomy & Astrophysics ;  Physics, Particles & Fields
关键词[WOS]: MAGELLANIC CLOUDS ;  OGLE VIEW ;  UNIVERSE ;  HISTORY ;  MACHOS
收录类别: SCI
项目资助者: Top- Notch Young Talents Program of China-NSFC [11322545, 11335012, 11575271] ;  NSFC [11690021] ;  Key Research Program of Frontier Sciences, CAS
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21466
Appears in Collections:理论物理所2016年知识产出_期刊论文

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Recommended Citation:
Chen, L,Huang, QG,Wang, K. Constraint on the abundance of primordial black holes in dark matter from Planck data[J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2016(12):44.
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