Radiation campaign of HPK prototype LGAD sensors for the High-Granularity Timing Detector (HGTD)

We report on the results of a radiation campaign with neutrons and protons of Low Gain Avalanche Detectors (LGAD) produced by Hamamatsu (HPK) as prototypes for the High-Granularity Timing Detector (HGTD) in ATLAS. Sensors with an active thickness of 50μm were irradiated in steps of roughly 2 × up to...

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Detalles Bibliográficos
Autores principales: Shi, X., Ayoub, M.K., da Costa, J. Barreiro Guimarães, Cui, H., Kiuchi, R., Fan, Y., Han, S., Huang, Y., Jing, M., Liang, Z., Liu, B., Liu, J., Lyu, F., Qi, B., Ran, K., Shan, L., Shi, L., Tan, Y., Wu, K., Xiao, S., Yang, T., Yang, Y., Yu, C., Zhao, M., Zhuang, X., Castillo García, L., Gkougkousis, E.L., Grieco, C., Grinstein, S., Leite, M., Saito, G.T., Howard, A., Cindro, V., Kramberger, G., Mandić, I., Mikuž, M., d'Amen, G., Giacomini, G., Rossi, E., Tricoli, A., Chen, H., Ge, J., Li, C., Liang, H., Yang, X., Zhao, L., Zhao, Z., Zheng, X., Atanov, N., Davydov, Y., Grosse-Knetter, J., Lange, J., Quadt, A., Schwickardi, M., Alderweireldt, S., Ferreira, A.S.C., Guindon, S., Kuwertz, E., Rizzi, C., Christie, S., Galloway, Z., Gee, C., Jin, Y., Labitan, C., Lockerby, M., Mazza, S.M., Martinez-Mckinney, F., Padilla, R., Ren, H., Sadrozinski, H.F.-W., Schumm, B., Seiden, A., Wilder, M., Wyatt, W., Zhao, Y., Han, D., Zhang, X.
Lenguaje:eng
Publicado: 2020
Materias:
physics.ins-det
Detectors and Experimental Techniques
Acceso en línea:https://dx.doi.org/10.1016/j.nima.2020.164382
http://cds.cern.ch/record/2741363
Descripción
Sumario:We report on the results of a radiation campaign with neutrons and protons of Low Gain Avalanche Detectors (LGAD) produced by Hamamatsu (HPK) as prototypes for the High-Granularity Timing Detector (HGTD) in ATLAS. Sensors with an active thickness of 50μm were irradiated in steps of roughly 2 × up to a fluence of 3 ×1015neqcm−2 . As a function of the fluence, the collected charge and time resolution of the irradiated sensors will be reported for operation at −30 °C.

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