NDLI: DEPFET beam test results — Pixel properties studied at micron level resolution

Content Provider	IEEE Xplore Digital Library
Author	Kodys, P.
Copyright Year	2010
Description	Author affiliation: Faculty of Mathematics and Physics, Institute of Particle and Nuclear Physics, Charles University, V Holesovickach 2, 18000 Prague, Czech Republic (Kodys, P.)
Abstract	Fully depleted DEPFET active pixel sensors designed for ILC vertex detector were tested at CERN SPS using beams of pions and electrons with energies between 40 and 120 GeV. The sensors tested were 450 μm thick prototypes with pixel size between 20 and 32 μm. The paper presents a brief overview of measurement and analysis, followed by a selection of results focused on detailed in-pixel variation of resolution, cluster size and charge collection. Reliable determination of detectors' intrinsic resolutions was reached by numerical separation the contributions of multiple scattering, telescope precision and intrinsic resolutions to tracking residuals. The intrinsic resolutions obtained are around 1 μm and were determined with typical accuracy of 0.1 μm, as confirmed by simulation studies. For the material presented in this paper, the resolutions serve as a useful analysis tool. Special effect studies included edge distortions, gain variation and η distributions. Some interesting effects arising from the layout of the readout structures are described.
Starting Page	1021
Ending Page	1024
File Size	3790410
Page Count	4
File Format	PDF
ISBN	9781424491063
ISSN	10957863
e-ISBN	9781424491056
DOI	10.1109/NSSMIC.2010.5873920
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-10-30
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Pixel Detectors Spatial resolution Systematics Logic gates Measurement by laser beam η correction silicon pixel detector detector resolution spatial resolution DEPFET beam test
Content Type	Text
Resource Type	Article

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