The Kolar gold fields extensive air shower experiment

Chatterjee, B. K. ; Murthy, G. T. ; Naranan, S. ; Sivaprasad, K. ; Sreekantan, B. V. ; Suri, A. ; Viswanath, P. R. (1968) The Kolar gold fields extensive air shower experiment Canadian Journal of Physics, 46 (10). S13-S16. ISSN 0008-4204

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Measurements have been made on high-energy muons (>220 GeV and >640 GeV) in extensive air showers in the size range 105-107 particles. Results on the energy spectrum, lateral spread (for Eμ > 220 GeV), and the dependence of the total number of muons on the shower size are given. The relation between the number of muons (Nμ) and the shower size (N) can be Nμ (> 220GeV = 47 (N/105) 0.58 ± 0.1, expressed as Nμ(> 220GeV = 47 (N/105) 0.77 ± 0.2. Assuming an exponential lateral distribution of high-energy muons, the average lateral spread of muons of energy >220 GeV has been found to be ∼40 m. The results are compared with the predictions of the calculations done by Murthy et al. (1967).

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