• [1]

    . Antonelli A et al.Nuclear Instruments and Methods,1990,A354:352 2. Hawkes C M et al.Nuclear Instruments and Methods,1990,A292:329—3363. Papadopoulos L.Nuclear Instruments and Methods,1997,A401:322—3284. CERN Program Library Writeup Q121,PAW (Physics Analysis Work-station),19925. Steven S S et al.IEEE Trans.Nucl.Sci.,1972,NS 19:356