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A Further Test of Lorentz Violation from the Rest-frame Spectral Lags of Gamma-Ray Bursts
Wei,Jun-Jie1; Wu,Xue-Feng1,2
2017-12-20
Source PublicationThe Astrophysical Journal
ISSN0004-637X
Volume851Issue:2
AbstractAbstract Lorentz invariance violation (LIV) can manifest itself by an energy-dependent vacuum dispersion of light, which leads to arrival time differences of photons with different energies originating from the same astronomical source. The spectral lags of gamma-ray bursts (GRBs) have been widely used to investigate the possible LIV effect. However, all current investigations used lags extracted in the observer frame only. In this work, we present, for the first time, an analysis of the LIV effect and its redshift dependence in the cosmological rest frame. Using a sample of 56 GRBs with known redshifts, we obtain a robust limit on LIV by fitting their rest-frame spectral lag data using both a maximization of the likelihood function and a minimum χ2 statistic. Our analysis indicates that there is no evidence of LIV. Additionally, we test the LIV in different redshift ranges by dividing the full sample into four redshift bins. We also find no evidence for the redshift variation of the LIV effect.
Keywordastroparticle physics gamma-ray burst: general gravitation
DOI10.3847/1538-4357/aa9d8d
Language英语
WOS IDIOP:0004-637X-851-2-aa9d8d
PublisherThe American Astronomical Society
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Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/22098
Collection中国科学院紫金山天文台
Affiliation1.Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210008, China; jjwei@pmo.ac.cn, xfwu@pmo.ac.cn
2.Joint Center for Particle, Nuclear Physics and Cosmology, Nanjing University-Purple Mountain Observatory, Nanjing 210008, China
Recommended Citation
GB/T 7714
Wei,Jun-Jie,Wu,Xue-Feng. A Further Test of Lorentz Violation from the Rest-frame Spectral Lags of Gamma-Ray Bursts[J]. The Astrophysical Journal,2017,851(2).
APA Wei,Jun-Jie,&Wu,Xue-Feng.(2017).A Further Test of Lorentz Violation from the Rest-frame Spectral Lags of Gamma-Ray Bursts.The Astrophysical Journal,851(2).
MLA Wei,Jun-Jie,et al."A Further Test of Lorentz Violation from the Rest-frame Spectral Lags of Gamma-Ray Bursts".The Astrophysical Journal 851.2(2017).
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