COSMOLOGY WITH THE Ep,i – Eiso CORRELATION OF GAMMA–RAY BURSTS

Author:

AMATI LORENZO1

Affiliation:

1. INAF – IASF Bologna, via P. Gobetti 101, 40129 Bologna, Italy

Abstract

Gamma–Ray Bursts (GRBs) are the brightest sources in the universe, emit mostly in the hard X–ray energy band and have been detected at redshifts up to about 8.2. Thus, they are in principle very powerful probes for cosmology. I shortly review the researches aimed to use GRBs for the measurement of cosmological parameters, which are mainly based on the correlation between spectral peak photon energy and total radiated energy or luminosity. In particular, based on an enriched sample of 120 GRBs, I will provide an update of the analysis by Amati et al. (2008) aimed at extracting information on ΩM and, to a less extent, on ΩΛ, from the E p,i – E iso correlation.

Publisher

World Scientific Pub Co Pte Lt

Cited by 6 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Multiple-component spectral analysis of 24 Fermi LAT GRBs and the Eiso-Ei,peak relation;International Journal of Modern Physics D;2022-12-31

2. Gamma-ray Burst Prompt Correlations: Selection and Instrumental Effects;Publications of the Astronomical Society of the Pacific;2018-04-06

3. Gamma-Ray Burst Prompt Correlations;Advances in Astronomy;2018

4. Possible physical explanation of the intrinsic Ep,i-“intensity” correlation commonly used to “standardize” GRBs;International Journal of Modern Physics D;2016-04

5. INVESTIGATING THE Ep, iEiso CORRELATION;Acta Polytechnica;2013-12-18

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