Constraining f (R) Gravity Theory Using Weak Lensing Peak Statistics from the Canada-France-Hawaii-Telescope Lensing Survey

被引：68
作者：
Liu, Xiangkun [1 ]
Li, Baojiu [2 ]
Zhao, Gong-Bo [3 ,4 ]
Chiu, Mu-Chen [5 ]
Fang, Wei [5 ,6 ]
Pan, Chuzhong [1 ]
Wang, Qiao [7 ]
Du, Wei [3 ]
Yuan, Shuo [1 ]
Fu, Liping [5 ]
Fan, Zuhui [1 ,8 ]
机构：
[1] Peking Univ, Sch Phys, Dept Astron, Beijing 100871, Peoples R China
[2] Univ Durham, Dept Phys, Inst Computat Cosmol, South Rd, Durham DH1 3LE, England
[3] Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
[4] Univ Portsmouth, Inst Cosmol & Gravitat, Dennis Sciama Bldg, Portsmouth PO1 3FX, Hants, England
[5] Shanghai Normal Univ, Shanghai Key Lab Astrophys, 100 Guilin Rd, Shanghai 200234, Peoples R China
[6] Shanghai Normal Univ, Dept Phys, 100 Guilin Rd, Shanghai 200234, Peoples R China
[7] Chinese Acad Sci, Natl Astron Observ, Key Lab Computat Astrophys, Partner Grp,Max Planck Inst Astrophys, Beijing 100012, Peoples R China
[8] Collaborat Innovat Ctr Modern Astron & Space Expl, Nanjing 210093, Jiangsu, Peoples R China
来源：
PHYSICAL REVIEW LETTERS | 2016年 / 117卷 / 05期
基金：
中国博士后科学基金;
关键词：
DARK-MATTER HALOS; F(R) GRAVITY; COSMOLOGICAL CONSTANT; POWER SPECTRUM; CLUSTERS; CFHTLENS; UNIVERSE; SUPERNOVAE; PROFILES; ENERGY;
D O I：
10.1103/PhysRevLett.117.051101
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
In this Letter, we report the observational constraints on the Hu-Sawicki f (R) theory derived from weak lensing peak abundances, which are closely related to the mass function of massive halos. In comparison with studies using optical or x-ray clusters of galaxies, weak lensing peak analyses have the advantages of not relying on mass-baryonic observable calibrations. With observations from the Canada-France-Hawaii-Telescope Lensing Survey, our peak analyses give rise to a tight constraint on the model parameter vertical bar f(R0)vertical bar for n = 1. The 95% C.L. is log(10) vertical bar f(R0)vertical bar < -4.82 given WMAP9 priors on (Omega(m), A(s)). With Planck15 priors, the corresponding result is log(10) vertical bar f(R0)vertical bar < -5.16.
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