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

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.,García L. Castillo, 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.

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment（2020）

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摘要

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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关键词

Low Gain Avalanche Detector,Radiation,Timing detector

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