Study of small-cell 3D silicon pixel detectors for the high luminosity LHC

E. Currás,J. Duarte-Campderrós,M. Fernández,A. García,G. Gómez,J. González,R. Jaramillo, D. Moya,I. Vila,S. Hidalgo,M. Manna,G. Pellegrini,D. Quirion, D. Pitzl,A. Ebrahimi,T. Rohe, S. Wiederkehr

Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment（2019）

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摘要

A study of 3D pixel sensors of cell size 50μm×50μm fabricated at IMB-CNM using double-sided n-on-p 3D technology is presented. Sensors were bump-bonded to the ROC4SENS readout chip. For the first time in such a small-pitch hybrid assembly, the sensor response to ionizing radiation in a test beam of 5.6 GeV electrons was studied. Results for non-irradiated sensors are presented, including efficiency, charge sharing, signal-to-noise, and resolution for different incidence angles.

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关键词

Silicon radiation detector,Small pitch pixel sensors

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