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Lindström, G; Ahmed, M; Albergo, S; Anderson, D; Augelli, V; Bacchetta, N; Bartalini, P; Bates, R; Biggeri, U; Bisello, D; Boemi, D; Borchi, E; Burger, P; Campabadal, F; Chilingarov, A; Ciampolini, P; Cindro, V; Creanza, D; Da Via, C; Davies, G; De Boer, W; Dell’Orso, R; Dezillie, B; Eremin, V; Evrard, O; Fanourakis, G; Feick, H; Focardi, E; Fonseca, L; Fretwurst, E; Fuster, J; Gabathuler, K; Glaser, M; Hall, G; Heising, S; Holmes-Siedle, A; Hughes, G; Jones, B.K; Jungermann, L; Kohout, Z; Kramberger, G; Kuhnke, M; Kwan, S; Lemeilleur, F; Leroy, C; Li, Z; Ligonzo, T; Linhart, V; Litovchenko, P; Loukas, D; Lozano, M; Luczynski, Z; Lutz, G; MacEvoy, B; Manolopoulos, S; Markou, A; Martinez, C; Messineo, A; Moll, M; Oshea, V; Parrini, G; Passeri, D; Petre, D; Pickford, A; Pintilie, I; Pospisil, S; Raine, C; Ratoff, P.N; Richter, R.H; Roy, P; Ruzin, A; Ryazanov, A.I; Santocchia, A; Schiavulli, L; Sicho, P; Slysz, W; Smith, K; Stolze, K; Sundby Avset, B; Svensson, B; Tivarus, C; Tricomi, A; Tzamarias, S; Valvo, G; Vasilescu, A; Vayaki, A; Verbitskaya, E; Verdini, P; Vrba, V; Watts, S; Weber, E.R; Wegrzecki, M; Wegrzecka, I; Wheadon, R; Wilhelm, I; Wunstorf, R; Wüstenfeld, J; Wyss, J; Zankel, K; Žontar, D
Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment, 07/2001, Letnik: 466, Številka: 2Journal Article
The RD48 (ROSE) collaboration has succeeded to develop radiation hard silicon detectors, capable to withstand the harsh hadron fluences in the tracking areas of LHC experiments. In order to reach this objective, a defect engineering technique was employed resulting in the development of Oxygen enriched FZ silicon (DOFZ), ensuring the necessary O-enrichment of about 2×10 17 O/cm 3 in the normal detector processing. Systematic investigations have been carried out on various standard and oxygenated silicon diodes with neutron, proton and pion irradiation up to a fluence of 5×10 14 cm −2 (1 MeV neutron equivalent). Major focus is on the changes of the effective doping concentration (depletion voltage). Other aspects (reverse current, charge collection) are covered too and the appreciable benefits obtained with DOFZ silicon in radiation tolerance for charged hadrons are outlined. The results are reliably described by the “Hamburg model”: its application to LHC experimental conditions is shown, demonstrating the superiority of the defect engineered silicon. Microscopic aspects of damage effects are also discussed, including differences due to charged and neutral hadron irradiation.
