Physics – Nuclear Physics
Scientific paper
Mar 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990nuphs..14..176t&link_type=abstract
Nuclear Physics B Proceedings Supplements, Volume 14, Issue 1, p. 176-180.
Physics
Nuclear Physics
5
Scientific paper
The twin 11 m solar collectors at Sandia National Laboratories in Albuquerque, New Mexico were used to study the atmospheric Cherenkov light from VHE gamma rays emitted by the Crab Nebula. During the Fall of 1987 data were taken over a period of four weeks. Of these three nights of usable data were obtained from the Crab Nebula consisting of 100 minutes of on-source data and 190 minutes off-source. Pulse shapes of the Cherenkov light images were recorded. During analysis, pulse shape discrimination involving rejection of all of the Cherenkov light images displaying kinks or long tails was applied. A signal of 4.3 sigma from the direction of the Crab Nebula gave an integral flux of (6.3+/-1.5) × 10-11 photons/cm2 sec with a threshold energy of 400-167+200 GeV.
Hammond Jeffrey S.
MacCallum Crawford
Tumer Tumay O.
Zych Allen D.
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