Systematic study of the features of the streamer discharge by means of pulse shape analysis

Several measurements were performed with a streamer tube on a muon beam in different geometric and operational configurations. The use of a wave form digitizer in recording streamer pulses produced by minimum ionizing particles allowed the discrimination between single and multiple streamer discharges. The rate of occurrence of multi-streamer pulses as a function of different parameters has been measured. Also, the dependence of charge and pulse shape on the angle of the track with respect to the wire were studied. The analysis of pulse shape can be used to improve the comprehension of the phenomenology of the streamer discharge, putting constraints on the existing models.