
TY  - JOUR
A1  - Clay, RW 
A1  - Thornton, GJ 
T1  - Zenith Angle Dependence of Cosmic Ray Shower Development from Observations of the Time Structure of Atmospheric Cerenkov Pulses
JF  - Australian Journal of Physics
JO  - Aust. J.  Phys.
Y1  - 1980
VL  - 33
IS  - 3
SP  - 607
EP  - 606
KW  - 
UR  - https://doi.org/10.1071/PH800607 
N2  - The attenuation of extensive air showers has been studied using atmospheric Cerenkov techniques. Observations over a range of zenith angles are correlated and an attenuation length of 234 ± 38 g cm ? 2 obtained for showers with sea-level sizes of ~ 106 ? 
ER  -

