Abstract
A sea-level cosmic ray burst detector was in operation at the time of occurrence of 16 Vela bursts, between 1970 and 1973. No events were seen. Upper limits for primary γ-rays of 1011 eV or higher were set at 10−29 erg cm−2 Hz−1.
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O'Brien, S., Porter, N.A. Upper limits for high energy γ-rays in association with Vela bursts. Astrophys Space Sci 42, 73–76 (1976). https://doi.org/10.1007/BF00645527
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DOI: https://doi.org/10.1007/BF00645527