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Design and performance of the silicon sensors for the CMS barrel pixel detector


Allkofer, Y; Amsler, C; Bortoletto, D; Chiochia, V; Cremaldi, L; Cucciarelli, S; Dorokhov, A; Hörmann, C; Horisberger, R; Kim, D; Konecki, M; Kotlinski, D; Prokofiev, K; Regenfus, C; Rohe, T; Sanders, D A; Son, S; Swartz, M; Speer, T (2008). Design and performance of the silicon sensors for the CMS barrel pixel detector. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 584(1):25-41.

Abstract

The CMS experiment at the (LHC) includes a hybrid silicon pixel detector for the reconstruction of charged tracks and of the interaction vertices. The barrel region consists of n-in-n sensors with View the MathML source cell size processed on diffusion oxygenated float zone silicon. A biasing grid is implemented and pixel isolation is achieved with the moderated p-spray technique. An extensive test program was carried out on the H2 beam line of the CERN-SPS. In this paper we describe the sensor layout, the beam test setup and the results obtained with both irradiated and non-irradiated prototype devices. Measurements of charge collection, hit detection efficiency, Lorentz angle and spatial resolution are presented.

The CMS experiment at the (LHC) includes a hybrid silicon pixel detector for the reconstruction of charged tracks and of the interaction vertices. The barrel region consists of n-in-n sensors with View the MathML source cell size processed on diffusion oxygenated float zone silicon. A biasing grid is implemented and pixel isolation is achieved with the moderated p-spray technique. An extensive test program was carried out on the H2 beam line of the CERN-SPS. In this paper we describe the sensor layout, the beam test setup and the results obtained with both irradiated and non-irradiated prototype devices. Measurements of charge collection, hit detection efficiency, Lorentz angle and spatial resolution are presented.

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26 citations in Web of Science®
23 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Language:English
Date:1 January 2008
Deposited On:21 Jan 2009 12:11
Last Modified:05 Apr 2016 12:51
Publisher:Elsevier
ISSN:0168-9002
Publisher DOI:10.1016/j.nima.2007.08.151

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