Energy Flow of Extensive Air Showers
1965 年 20 巻 6 号 p. 883-906
詳細
1965 年 20 巻 6 号 p. 883-906
Two sets of detectors of nuclear active particles have been cooperated in the extensive air shower arrays at sea level. The results obtained from these detectors agreed with each other, so that the energy spectrum of nuclear active particles in extensive air showers was determined with reasonable accuracy in the size range of 3.104 to 5.106 particles.
At sea level the average energy of the most energetic nuclear active particles and the energy flow carried by nuclear active particles (E>10 GeV) are nearly proportional to the shower size, and they are 1.2±0.4·1012 eV and 5.3±2.0·1012 eV respectively for the shower of the size (that determined from the scintillators) of 105 particles.
These results and the energy carried by the electron photon component were compared with the calculated ones based on some conventional models of the nuclear interaction. The inelasticity and the mean free path of the nuclear interaction were thus obtained to be 0.65±0.15 and 80±10 gcm−2 respectively in the energy range of 1014 to 1015 eV.
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