Physics
Scientific paper
Dec 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008agufmae11a0284g&link_type=abstract
American Geophysical Union, Fall Meeting 2008, abstract #AE11A-0284
Physics
3304 Atmospheric Electricity, 3324 Lightning, 3394 Instruments And Techniques, 3399 General Or Miscellaneous
Scientific paper
Terrestrial gamma-ray flashes (TGFs) are millisecond-long bursts of high-energy x-rays and gamma-rays associated with lightning that have been observed by the Burst and Transient Source Experiment (BATSE) onboard the Compton Gamma Ray Observatory (CGRO) satellite and by the Reuven Ramaty High Energy Solar Spectroscopic Imager (RHESSI) satellite. A detailed spectroscopic analysis of the RHESSI data suggests that the TGFs observed by RHESSI originate from deep in the atmosphere and sometimes may be so intense that they saturate the RHESSI electronics. It has previously been shown that the BATSE electronics suffer from deadtime in the readout electronics during the peak intensity of the TGF. We study the ability of Monte Carlo simulations of relativistic runaway and atmospheric scattering to constrain the altitude of the TGFs using data from BATSE's Large Area Detectors (LADs) once the effects of deadtime are included in the analysis.
Dwyer Joesph R.
Grefenstette Brian W.
Hazelton Bryna J.
Smith Masson D.
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