The absorption length of EAS at sea level
- 1 March 1980
- journal article
- Published by IOP Publishing in Journal of Physics G: Nuclear Physics
- Vol. 6 (3) , 401-410
- https://doi.org/10.1088/0305-4616/6/3/016
Abstract
A simulation of integral size spectra with various assumptions about the primary energy spectrum has been performed at different depths and in several zenith angle bins (0 degrees -40 degrees ). The absorption length Lambda has been derived directly from the data with accurate consideration of the experimental procedures, the angular and barometric methods. A systematic consequence of the steepening of the primary spectrum ('knee effect') is seen to emerge in the behaviour of Lambda as a function of size between 104 and 108 particles. A consecutive interpretation of the present data in terms of dynamical ultra-high-energy interactions reveals a strong disagreement with the Feynman scaling hypothesis.Keywords
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