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20 April 2024

» arxiv » hep-ex/0212037

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Beam Test of Silicon Strip Sensors for the ZEUS Micro Vertex Detector
L.A.T. Bauerdick ; E. Borsato ; C. Burgard ; T. Carli ; R. Carlin ; M. Casaro ; V. Chiochia ; F. Dal Corso ; D. Dannheim ; A. Garfagnini ; A. Kappes ; R. Klanner ; E. Koffeman ; B. Koppitz ; U. Koetz ; E. Maddox ; M. Milite ; M. Moritz ; J.S.T. Ng ; M.C. Petrucci ; I. Redondo ; J. Rautenberg ; H. Tiecke ; M. Turcato ; J.J. Velthuis ; A. Weber ;
Date:	16 Dec 2002
Journal:	Nucl.Instrum.Meth. A501 (2003) 340-358
Subject:	hep-ex
Abstract:	For the HERA upgrade, the ZEUS experiment has designed and installed a high precision Micro Vertex Detector (MVD) using single sided micro-strip sensors with capacitive charge division. The sensors have a readout pitch of 120 microns, with five intermediate strips (20 micron strip pitch). An extensive test program has been carried out at the DESY-II testbeam facility. In this paper we describe the setup developed to test the ZEUS MVD sensors and the results obtained on both irradiated and non-irradiated single sided micro-strip detectors with rectangular and trapezoidal geometries. The performances of the sensors coupled to the readout electronics (HELIX chip, version 2.2) have been studied in detail, achieving a good description by a Monte Carlo simulation. Measurements of the position resolution as a function of the angle of incidence are presented, focusing in particular on the comparison between standard and newly developed reconstruction algorithms.
Source:	arXiv, hep-ex/0212037
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