论文标题
从伽马射线爆发峰值光子能量和降压器测量和其他数据的宇宙学参数的限制
Constraints on cosmological parameters from gamma-ray burst peak photon energy and bolometric fluence measurements and other data
论文作者
论文摘要
我们使用峰值光子能量的测量值和119伽马射线爆发(GRB)的峰值测量值(GRB)在$ 0.3399 \ leq Z \ leq Z \ leq 8.2 $上延伸,以同时确定六种不同的宇宙学模型中的宇宙学和Amati关系参数。在所有六个宇宙学模型中,所得的AMATI关系参数几乎相同,从而验证了AMATI关系在标准化这些GRB中的使用。 GRB数据宇宙学参数约束与从巴里昂声学振荡和哈勃参数测量的联合分析获得的限制性相一致,但限制性明显少得多。
We use measurements of the peak photon energy and bolometric fluence of 119 gamma-ray bursts (GRBs) extending over the redshift range of $0.3399 \leq z \leq 8.2$ to simultaneously determine cosmological and Amati relation parameters in six different cosmological models. The resulting Amati relation parameters are almost identical in all six cosmological models, thus validating the use of the Amati relation in standardizing these GRBs. The GRB data cosmological parameter constraints are consistent with, but significantly less restrictive than, those obtained from a joint analysis of baryon acoustic oscillation and Hubble parameter measurements.