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Stringent Tests of Lorentz Invariance Violation from LHAASO Observations of GRB 221009A

pmid: 39213544
handle: 21.11116/0000-000F-C51E-2
Very recently, the Large High Altitude Air Shower Observatory (LHAASO) reported the observation of the very early TeV afterglow of the brightest-of-all-time GRB 221009A, recording the highest photon statistics in the TeV band ever from a gamma-ray burst. We use this unique observation to place stringent constraints on an energy dependence of the speed of light in vacuum, a manifestation of Lorentz invariance violation (LIV) predicted by some quantum gravity (QG) theories. Our results show that the 95% confidence level lower limits on the QG energy scales are $E_{\mathrm{QG},1}>10$ times of the Planck energy $E_\mathrm{Pl}$ for the linear, and $E_{\mathrm{QG},2}>6\times10^{-8}E_\mathrm{Pl}$ for the quadratic LIV effects, respectively. Our limits on the quadratic LIV case improve previous best bounds by factors of 5--7.
7pages, 5 figures
- Southeast University China (People's Republic of)
- Peking University China (People's Republic of)
- Hebei Normal University China (People's Republic of)
- UNIVERSITE PARIS DESCARTES France
- Sun Yat-sen University China (People's Republic of)
Planck, High Energy Physics - Theory, velocity, gamma ray, burst, FOS: Physical sciences, General Relativity and Quantum Cosmology (gr-qc), 530, General Relativity and Quantum Cosmology, energy dependence, High Energy Physics - Phenomenology (hep-ph), photon, velocity, invariance, TeV, invariance, Lorentz, LHAASO, High Energy Astrophysical Phenomena (astro-ph.HE), [PHYS.GRQC] Physics [physics]/General Relativity and Quantum Cosmology [gr-qc], [PHYS.HTHE]Physics [physics]/High Energy Physics - Theory [hep-th], photon, [PHYS.HPHE] Physics [physics]/High Energy Physics - Phenomenology [hep-ph], photon, statistics, High Energy Physics - Phenomenology, High Energy Physics - Theory (hep-th), gamma ray, statistics, quantum gravity, [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph], [PHYS.GRQC]Physics [physics]/General Relativity and Quantum Cosmology [gr-qc], [PHYS.HTHE] Physics [physics]/High Energy Physics - Theory [hep-th], violation, violation, Lorentz, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], [PHYS.ASTR] Physics [physics]/Astrophysics [astro-ph], Astrophysics - High Energy Astrophysical Phenomena, burst, Lorentz
Planck, High Energy Physics - Theory, velocity, gamma ray, burst, FOS: Physical sciences, General Relativity and Quantum Cosmology (gr-qc), 530, General Relativity and Quantum Cosmology, energy dependence, High Energy Physics - Phenomenology (hep-ph), photon, velocity, invariance, TeV, invariance, Lorentz, LHAASO, High Energy Astrophysical Phenomena (astro-ph.HE), [PHYS.GRQC] Physics [physics]/General Relativity and Quantum Cosmology [gr-qc], [PHYS.HTHE]Physics [physics]/High Energy Physics - Theory [hep-th], photon, [PHYS.HPHE] Physics [physics]/High Energy Physics - Phenomenology [hep-ph], photon, statistics, High Energy Physics - Phenomenology, High Energy Physics - Theory (hep-th), gamma ray, statistics, quantum gravity, [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph], [PHYS.GRQC]Physics [physics]/General Relativity and Quantum Cosmology [gr-qc], [PHYS.HTHE] Physics [physics]/High Energy Physics - Theory [hep-th], violation, violation, Lorentz, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], [PHYS.ASTR] Physics [physics]/Astrophysics [astro-ph], Astrophysics - High Energy Astrophysical Phenomena, burst, Lorentz
citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).4 popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.Average influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).Top 10% impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.Average
