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Lorentz invariance violation from GRB221009A
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The Large High Altitude Air Shower Observatory~(LHAASO) reported observation of photons with energies above 10~TeV from gamma-ray burst GRB 221009A. A suggestion was proposed that this result may contradict our knowledge of special relativity~(SR) and the standard model~(SM), according to which photons of about 10~TeV from such a distant object should be severely suppressed because of the absorption by extragalactic background light. As a result, a number of mechanisms have been proposed to solve this potential puzzle, including Lorentz invariance violation~(LIV). In this work, we perform a detailed numerical calculation and show the feasibility to constrain LIV of photons from the LHAASO observation of GRB 221009A quantitatively.
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Cited by 1 Pith paper
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Is There New Physics Beyond 30 TeV in the BOAT?
Under quadratic subluminal Lorentz invariance violation, GRB 221009A's spectrum should show a flux recovery above ~30 TeV; the paper motivates a targeted LHAASO search but performs no data analysis.
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