Giovanni Amelino-Camelia et al JCAP02(2004)009 doi:10.1088/1475-7516/2004/02/009
Implications of spacetime quantization for the Bahcall–Waxman neutrino bound
Giovanni Amelino-Camelia1, Michele Arzano2, Y Jack Ng2, Tsvi Piran3 and Hendrik van Dam2
Show affiliationsThere is growing interest in quantum-spacetime models in which small departures from Lorentz symmetry are governed by the Planck scale. In particular, several studies have considered the possibility that these small violations of Lorentz symmetry may affect various astrophysical observations, such as the evaluation of the GZK limit for cosmic rays, the interaction of TeV photons with the far infrared background and the arrival time of photons with different energies from cosmological sources. We show that the same Planck-scale departures from Lorentz symmetry that led to a modification of the GZK limit also have significant implications for the evaluation of the Bahcall–Waxman bound on the flux of high-energy neutrinos produced by photo–meson interactions.
- Keywords
- PACS
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11.30.Cp Lorentz and Poincare invariance
95.30.Cq Elementary particle processes
98.70.Rz &ggr;-ray sources; &ggr;-ray bursts
- Subjects
- Dates
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Issue 02 (February 2004)
Received 4 July 2003, accepted for publication 23 December 2003
Published 16 February 2004
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Implications of spacetime quantization for the Bahcall–Waxman neutrino bound
Giovanni Amelino-Camelia et al JCAP02(2004)009
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