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论文题目:	Effects of the merger history on the merger rate density of primordial black hole binaries
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作者:	Liu, Lang; Guo, Zong-Kuan; Cai, Rong-Gen
论文出处:
刊物名称:	EUROPEAN PHYSICAL JOURNAL C
年:	2019
卷:	79
期:	8
页:	717
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摘要:	We develop a formalism to calculate the merger rate density of primordial black hole binaries with a general mass function, by taking into account the merger history of primordial black holes. We apply the formalism to three specific mass functions: the monochromatic, power-law and log-normal cases. In the former case, the merger rate density is dominated by the single-merger events, while in the latter two cases, the contribution of the multiple-merger events on the merger rate density cannot be ignored. The effects of the merger history on the merger rate density depend on the mass function.
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