Phys. Rev. D 78, 124010 (2008) [8 pages]Inspecting absorption in the spectra of extra-galactic gamma-ray sources for insight into Lorentz invariance violationReceived 7 October 2008; published 12 December 2008 We examine what the absorbed spectra of extra-galactic TeV gamma-ray sources, such as blazars, would look like in the presence of Lorentz invariance violation. Pair production with the extra-galactic background light modifies the observed spectra of such sources, and we show that a violation of Lorentz invariance would generically have a dramatic effect on this absorption feature. Inspecting this effect, an experimental task likely practical in the near future, can provide unique insight on the possibility of Lorentz invariance violation. © 2008 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevD.78.124010
DOI:
10.1103/PhysRevD.78.124010
PACS:
04.60.Bc, 95.30.Cq, 98.54.Cm, 98.70.Vc
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