Using profile likelihood on GRB 160625B spectral lags, the authors report no global chi-square minimum below the Planck scale and set 95% lower limits of 2.55e16 GeV (linear) and 1.85e7 GeV (quadratic) on the LIV energy scale.
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Constraint on Lorentz Invariance Violation for spectral lag transition in GRB 160625B using profile likelihood
Using profile likelihood on GRB 160625B spectral lags, the authors report no global chi-square minimum below the Planck scale and set 95% lower limits of 2.55e16 GeV (linear) and 1.85e7 GeV (quadratic) on the LIV energy scale.