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Bauer, C.; Baumann, I.; Bräuer, M.; Eberle, M.; Fallot-Burghardt, W.; Grigoriev, E.; Hofmann, W.; Hüpper, A.; Klefenz, F.; Knöpfle, K.T.; Leffers, G.; Perschke, T.; Rieling, J.; Schmelling, M.; Schwingenheuer, B.; Sexauer, E.; Seybold, L.; Spengler, J.; StDenis, R.; Trunk, U.; Wanke, R.; Abt, I.; Fox, H.; Moshous, B.; Riechmann, K.; Rietz, M.; Ruebsam, R.; Wagner, W.
Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment, 11/1998, Letnik: 418, Številka: 1Journal Article
The HERA- B collaboration is building a detector to realize the ambitious goal of observing CP violation in decays of neutral B-mesons. A central element of the apparatus is the silicon vertex detector used to selectively trigger on these decays in a high charged particle multiplicity background environment and to reconstruct secondary vertices from such decays with high precision. The vertex detector, the supporting infrastructure and first results using prototype detectors are described. Results include imaging of the proton interaction region on the HERA- B target, hit distributions in the detector planes, and alignment of the detectors with each other and the target.
