Analysis of the gravitational wave background using gamma-ray pulsar timing arrays with next-generation detectors

被引：0
|
作者：
Xie, Zhen [1 ,2 ,3 ]
Zhang, Zhipeng [1 ,2 ,3 ]
Wang, Jieshuang [4 ]
Yang, Ruizhi [1 ,2 ,3 ]
机构：
[1] Univ Sci & Technol China, Deep Space Explorat Lab, Sch Phys Sci, Hefei 230026, Peoples R China
[2] Univ Sci & Technol China, Sch Phys Sci, Dept Astron, CAS Key Lab Res Galaxies & Cosmol, Hefei 230026, Anhui, Peoples R China
[3] Univ Sci & Technol China, Sch Astron & Space Sci, Hefei 230026, Anhui, Peoples R China
[4] Max Planck Inst Kernphys, Saupfercheckweg 1, D-69117 Heidelberg, Germany
来源：
PHYSICAL REVIEW D | 2023年 / 108卷 / 08期
关键词：
CHERENKOV TELESCOPES; RADIATION; LIMITS;
D O I：
10.1103/PhysRevD.108.083020
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
In this work, we investigate the potential of gamma-ray pulsar time array (PTA) on gravitational wave background (GWB) using future gamma-ray detectors with larger effective areas. We consider both spaceborne detectors and ground-based imaging air Cherenkov telescope arrays (IACTs). We simulated the detected photons from pulsars using the response of hypothetical detectors taking into account the backgrounds and analyzed the sensitivities. Our results showed that thanks to the higher statistics of IACTs, the PTA using IACTs can improve significantly the performance compared with the PTA using Fermi-LAT data.
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页数：6
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