Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004head....8.1812w&link_type=abstract
American Astronomical Society, HEAD meeting #8, #18.12; Bulletin of the American Astronomical Society, Vol. 36, p.943
Astronomy and Astrophysics
Astronomy
Scientific paper
Since the discovery of the cosmologial origin of GRBs there has been growing interest in using these transient events to probe the quantum gravity energy scale up to the Planck mass scale. This energy scale can manifest itself through a modification in the electromagnetic radiation dispersion relation, measured through an energy-dependent time lag dt/dE. We plan to use millisecond-timescale flares in GRBs with known redshifts to place upper limits on this energy dispersion of the speed of light. We have analyzed one RHESSI GRB exhibiting such flares, and have started a systematic study of INTEGRAL and RHESSI GRBs looking for suitable flaring events. We present the status of our study, focussing on the search for suitable millisecond flaring events in the INTEGRAL data.
Boggs Steven E.
Coburn Wayne
Greiner Jochen
Hurley Kevein
Smith Douglas
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