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Study of the ALICE Investigator chip in view of the requirements at CLIC

CLIC is an option for a future high energy linear $e^{+}e^{−}$ collider at CERN in the post-LHC era. The CLIC machine is designed to reach centre-of-mass energies ranging from a few hundred GeV up to 3 TeV. To achieve high precision measurements, e.g. of the Higgs- width, challenging requirements ar...

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Autores principales: Munker, Ruth Magdalena, Dannheim, Dominik, Fiergolski, Adrian, Van Hoorne, Jacobus Willem, Hynds, Daniel, Klempt, Wolfgang, Nurnberg, Andreas Matthias, Sielewicz, Krzysztof Marek, Snoeys, Walter
Lenguaje:eng
Publicado: 2017
Materias:
Acceso en línea:http://cds.cern.ch/record/2284145
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author Munker, Ruth Magdalena
Dannheim, Dominik
Fiergolski, Adrian
Van Hoorne, Jacobus Willem
Hynds, Daniel
Klempt, Wolfgang
Nurnberg, Andreas Matthias
Sielewicz, Krzysztof Marek
Snoeys, Walter
author_facet Munker, Ruth Magdalena
Dannheim, Dominik
Fiergolski, Adrian
Van Hoorne, Jacobus Willem
Hynds, Daniel
Klempt, Wolfgang
Nurnberg, Andreas Matthias
Sielewicz, Krzysztof Marek
Snoeys, Walter
author_sort Munker, Ruth Magdalena
collection CERN
description CLIC is an option for a future high energy linear $e^{+}e^{−}$ collider at CERN in the post-LHC era. The CLIC machine is designed to reach centre-of-mass energies ranging from a few hundred GeV up to 3 TeV. To achieve high precision measurements, e.g. of the Higgs- width, challenging requirements are imposed on the CLIC detector. A single point tracking resolution of 7 μm and a material budget of 1-2%$X_{0}$ per layer are required for the tracker. Moreover, to suppress background hits from beam-beam interactions, a precise time slicing of hits of 10 ns is needed. To address these requirements, a large area silicon tracker is foreseen for the detector at CLIC. In this context, integrated technologies are promising candidates to achieve large scale production and low material budget. The Investigator chip is a test chip developed for the ALICE Inner Tracking System upgrade, implemented in a 180 nm CMOS process on a high resistivity substrate. It contains various test-matrices with analogue functionality, which are read out by external sampling ADCs. This paper introduces the process and technology of the Investigator chip, describes the data taking and reconstruction setup and presents results on spatial and timing resolutions, as well as efficiency measurements, for a pixel pitch of 28 μm.
id cern-2284145
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2017
record_format invenio
spelling cern-22841452019-09-30T06:29:59Zhttp://cds.cern.ch/record/2284145engMunker, Ruth MagdalenaDannheim, DominikFiergolski, AdrianVan Hoorne, Jacobus WillemHynds, DanielKlempt, WolfgangNurnberg, Andreas MatthiasSielewicz, Krzysztof MarekSnoeys, WalterStudy of the ALICE Investigator chip in view of the requirements at CLICDetectors and Experimental TechniquesCLIC is an option for a future high energy linear $e^{+}e^{−}$ collider at CERN in the post-LHC era. The CLIC machine is designed to reach centre-of-mass energies ranging from a few hundred GeV up to 3 TeV. To achieve high precision measurements, e.g. of the Higgs- width, challenging requirements are imposed on the CLIC detector. A single point tracking resolution of 7 μm and a material budget of 1-2%$X_{0}$ per layer are required for the tracker. Moreover, to suppress background hits from beam-beam interactions, a precise time slicing of hits of 10 ns is needed. To address these requirements, a large area silicon tracker is foreseen for the detector at CLIC. In this context, integrated technologies are promising candidates to achieve large scale production and low material budget. The Investigator chip is a test chip developed for the ALICE Inner Tracking System upgrade, implemented in a 180 nm CMOS process on a high resistivity substrate. It contains various test-matrices with analogue functionality, which are read out by external sampling ADCs. This paper introduces the process and technology of the Investigator chip, describes the data taking and reconstruction setup and presents results on spatial and timing resolutions, as well as efficiency measurements, for a pixel pitch of 28 μm.CLICdp-Note-2017-004oai:cds.cern.ch:22841452017
spellingShingle Detectors and Experimental Techniques
Munker, Ruth Magdalena
Dannheim, Dominik
Fiergolski, Adrian
Van Hoorne, Jacobus Willem
Hynds, Daniel
Klempt, Wolfgang
Nurnberg, Andreas Matthias
Sielewicz, Krzysztof Marek
Snoeys, Walter
Study of the ALICE Investigator chip in view of the requirements at CLIC
title Study of the ALICE Investigator chip in view of the requirements at CLIC
title_full Study of the ALICE Investigator chip in view of the requirements at CLIC
title_fullStr Study of the ALICE Investigator chip in view of the requirements at CLIC
title_full_unstemmed Study of the ALICE Investigator chip in view of the requirements at CLIC
title_short Study of the ALICE Investigator chip in view of the requirements at CLIC
title_sort study of the alice investigator chip in view of the requirements at clic
topic Detectors and Experimental Techniques
url http://cds.cern.ch/record/2284145
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