Sensitivity of VERITAS to microsecond γ-ray burst phenomena

Details Sensitivity of VERITAS to microsecond γ-ray burst phenomena Sensitivity of VERITAS to microsecond γ-ray burst phenomena

Apr 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aipc..558..574k&link_type=abstract

HIGH ENERGY GAMMA-RAY ASTRONOMY: International Symposium. AIP Conference Proceedings, Volume 558, pp. 574-577 (2001).

Astronomy and Astrophysics

Astronomy

X- And Gamma-Ray Telescopes And Instrumentation

Scientific paper

Ground-based imaging atmospheric Cherenkov telescopes (IACTs) are inherently sensitive to microsecond flares of γ-rays with energies E>200 MeV. This combination of photon energy and time scale remains largely unexplored by satellite-instruments due to their dead times and collection areas. A burst on a time scale of microseconds could be the signature of the evaporation of a primordial black hole. The technique is based on the detection of multi-photon initiated cascades in the upper atmosphere and could be most effectively pursued with future arrays of imaging telescopes. A first experiment is currently under development: SGARFACE (Short GAmma Ray Front Air Cherenkov Experiment) which consists of a trigger and readout system that can be operated in parallel with the Whipple 10 m telescope. .

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