Détecteur de tridents dans les émulsions photographiques nucléaires |
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Authors: | A Henchoz |
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Institution: | (1) Institut de Physique Nucléaire, Université de Lausanne, Lausanne, Suisse |
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Abstract: | Summary The direct creation of an electron-positron pair by a high-energy charged particle manifests itself in a certain type of track configuration which is known as a trident. A device for automatic scanning and detection of tridents in nuclear emulsion is described. The device consists of two main parts: a TV camera which analyses the magnified image of the emulsion and a logical detection unit which counts all the observed tracks and also counts the track configurations which may correspond to tridents. The performance of the apparatus is discussed. |
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