Atmospheric sound propagation using a three-dimensional parabolic equation

Tire de : Proceedings of the 5th Int. Symp. on Long Sound Propagation, London (UK), May 24-26, 1992SIGLEAvailable at INIST (FR), Document Supply Service, under shelf-number : 22419, issue : a.1991 n.92 / INIST-CNRS - Institut de l'Information Scientifique et TechniqueFRFranc

Wind tunnel study of 3D sound propagation in presence of a hill and of a wind gradient

Communication to : INTERNOISE 93, Louvain (France), August 24-26, 1993Available at INIST (FR), Document Supply Service, under shelf-number : 22419, issue : a.1993 n.111 / INIST-CNRS - Institut de l'Information Scientifique et TechniqueSIGLEFRFranc

Large planar drift chambers

The authors describe 14 m/sup 2/ hexagonal planar drift chambers designed for the neutrino experiment of the CERN-Dortmund-Heidelberg- Saclay Collaboration. Details on mechanical construction, electronic read-out, results on efficiency and accuracy are presented. (6 refs)