In this paper a vertec detector working as active target is described. It consists of a telescope of nuclear targets sorrounded by two coaxial cylindrical MWPCs, working in the proportional regime. The energy loss in the two 6 mm gaps of the chambers is measured with an accuracy better than 18%. The coordinates of the track along the sense wires are measured using the charge division method with an accuracy of 0.5-1.0%. The efficiency is about 99.5%. This device is used in an experiment concerned with multihadron production on nuclei, coupled with a forward spectrometer in order to detect and recognize grey, black and shower secondary particles.
A vertex detector working as an active target in multi-hadron production on nuclei / E. Albini, M. Artuso, G. Bacchiocchi, G. Bellini, P. D'Angelo, E. Meroni, L. Moroni, F. Ragusa, P.G. Rancoita, S. Sala, M. Szawlowski. - In: NUCLEAR INSTRUMENTS AND METHODS. - ISSN 0029-554X. - 178:1(1980), pp. 49-54. [10.1016/0029-554X(80)90855-1]
A vertex detector working as an active target in multi-hadron production on nuclei
G. Bellini;E. Meroni;F. Ragusa;
1980
Abstract
In this paper a vertec detector working as active target is described. It consists of a telescope of nuclear targets sorrounded by two coaxial cylindrical MWPCs, working in the proportional regime. The energy loss in the two 6 mm gaps of the chambers is measured with an accuracy better than 18%. The coordinates of the track along the sense wires are measured using the charge division method with an accuracy of 0.5-1.0%. The efficiency is about 99.5%. This device is used in an experiment concerned with multihadron production on nuclei, coupled with a forward spectrometer in order to detect and recognize grey, black and shower secondary particles.
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