Special features of high energy hadrons in air showers

Vatcha, R. H. ; Sreekantan, B. V. (1973) Special features of high energy hadrons in air showers Journal of Physics A: Mathematical, Nuclear and General, 6 (7). pp. 1050-1066. ISSN 0301-0015

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Official URL: http://iopscience.iop.org/0301-0015/6/7/026

Related URL: http://dx.doi.org/10.1088/0305-4470/6/7/026


The properties of hadrons of energy 2.5*1010-1013 eV in air showers of size 5*104-3*106 particles at 800 cm-2 have been studied using a 2m2 multiplate cloud chamber as the hadron detector operated at the centre of the TIFR air shower array at Ootacamund. The results show a tendency for the lateral distribution of high energy hadrons to flatten with increasing shower size and the number of hadrons does not increase linearly with size, but at a much slower rate especially for high energy hadrons. The fractional energy spectrum of hadrons of energies greater than 200 GeV is different for showers of size less than and greater than 3*105 particles. The charge to neutral ratio of hadrons of energy greater than 25 GeV in showers of size less than 32.*105 is found to have a rather low value (6.2+or-1.3) and there is evidence for a further decrease in this value for larger size showers.

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