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Constraining Anisotropic Lorentz Violation via the Spectral-lag Transition of GRB 160625B
Wei, Jun-Jie; Wu, Xue-Feng; Zhang, Bin-Bin; Shao, Lang; Meszaros, Peter; Kostelecky, V. Alan
2017
发表期刊ASTROPHYSICAL JOURNAL
卷号842期号:2页码:115-
摘要Violations of Lorentz invariance can lead to an energy-dependent vacuum dispersion of light, which results in arrival-time differences of photons with different energies arising from a given transient source. In this work, direction-dependent dispersion constraints are obtained on nonbirefringent Lorentz-violating effects using the observed spectral lags of the gamma-ray burst GRB 160625B. This burst has unusually large high-energy photon statistics, so we can obtain constraints from the true spectral time lags of bunches of high-energy photons rather than from the rough time lag of a single highest-energy photon. Also, GRB 160625B is the only burst to date having a well-defined transition from positive lags to negative lags, providing a unique opportunity to distinguish Lorentz-violating effects from any source-intrinsic time lag in the emission of photons of different energy bands. Our results place comparatively robust two-sided constraints on a variety of isotropic and anisotropic coefficients for Lorentz violation, including the first bounds on Lorentz-violating effects from operators of mass dimension 10 in the photon sector.
语种英语
文献类型期刊论文
条目标识符http://libir.pmo.ac.cn/handle/332002/17430
专题南极天文中心
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GB/T 7714
Wei, Jun-Jie,Wu, Xue-Feng,Zhang, Bin-Bin,et al. Constraining Anisotropic Lorentz Violation via the Spectral-lag Transition of GRB 160625B[J]. ASTROPHYSICAL JOURNAL,2017,842(2):115-.
APA Wei, Jun-Jie,Wu, Xue-Feng,Zhang, Bin-Bin,Shao, Lang,Meszaros, Peter,&Kostelecky, V. Alan.(2017).Constraining Anisotropic Lorentz Violation via the Spectral-lag Transition of GRB 160625B.ASTROPHYSICAL JOURNAL,842(2),115-.
MLA Wei, Jun-Jie,et al."Constraining Anisotropic Lorentz Violation via the Spectral-lag Transition of GRB 160625B".ASTROPHYSICAL JOURNAL 842.2(2017):115-.
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