CERN Accelerating science

Published Articles

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2015-03-05
16:44
Operation of a GEM-TPC with pixel readout / Brezina, C (UBONN) ; Desch, K (UBONN) ; Kaminski, J (UBONN) ; Killenberg, M (UBONN) ; Krautscheid, T (UBONN)
A prototype time projection chamber with 26 cm drift length was operated with a short-spaced triple gas electron multiplier (GEM) stack in a setup triggering on cosmic muon tracks. A small part of the anode plane is read out with a CMOS pixel application-specified integrated circuit (ASIC) named Timepix, which provides ultimate readout granularity. [...]
AIDA-PUB-2015-011.- Geneva : CERN, 2015 - Published in : IEEE Transactions on Nuclear Science: 59, no. 6 Fulltext: PDF;

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2015-03-05
16:42
Digital column readout architectures for hybrid pixel detector readout chips / Poikela, T et al.
In this paper, two digital column architectures suitable for sparse readout of data from a pixel matrix in trigger-less applications are presented. Each architecture reads out a pixel matrix of 256 x 256 pixels with a pixel pitch of 55 µm. [...]
AIDA-PUB-2014-021.- Geneva : CERN, 2014 - Published in : JINST: 9 (2014) , no. C01007 Fulltext: PDF;

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2015-03-05
16:39
The charge pump PLL clock generator designed for the 1.56 ns bin size time-to-digital converter pixel array of the Timepix3 readout ASIC / Fu, Y et al.
Timepix3 is a newly developed pixel readout chip which is expected to be operated in a wide range of gaseous and silicon detectors. It is made of 256×256 pixels organized in a square pixel-array with 55 µm pitch. [...]
AIDA-PUB-2014-020.- Geneva : CERN, 2014 - Published in : JINST: 9 (2014) , no. C01052 Fulltext: PDF;

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2015-03-05
16:36
GOSSIPO-4: Evaluation of a Novel PLL-Based TDC-Technique for the Readout of GridPix-Detectors / Brezina, C (UBONN) ; Fu, Y (UBONN) ; Zappon, F (NIKHEF) ; Vn Beuzekom, M (NIKHEF) ; Campbell, M (CERN) ; Desch, K (UBONN) ; Van der Graaf, H (NIKHEF) ; Gromov, V (NIKHEF) ; Kluit, R (NIKHEF) ; Llopart, X (CERN) et al.
The direct readout of Micro-Pattern Gaseous Detectors (MPGDs) with bare pixel chips introduces the need for a new generation of readout electronics featuring a high spatial granularity as well as a highly accurate time measurement in each pixel. GOSSIPO-4, fabricated in a 130 nm CMOS technology, is a demonstrator ASIC investigating the potential of a new TDC-concept that is based on a chip-wide 40 MHz clock which is complemented by an additional 640 MHz clock. [...]
AIDA-PUB-2015-010.- Geneva : CERN, 2015 - Published in : IEEE Transactions on Nuclear Science: 61, no. 2 Fulltext: PDF;

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2015-03-05
16:28
The ATLAS Pixel Insertable B-Layer (IBL) / Hügging, F (UBONN)
The ATLAS Detector will be upgraded for higher intensity running of the LHC. A long shutdown is envisioned in 2016 prior to the so-called Phase I running. [...]
AIDA-PUB-2011-017.- Geneva : CERN, 2011 - Published in : Nucl. Instrum. Meth. A: A (2011) , no. 650, pp. 45-49 Fulltext: PDF;

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2015-03-05
16:27
Validation of GEANT4 Monte Carlo Models with a Highly Granular Scintillator-Steel Hadron Calorimeter / The CALICE collaboration
Calorimeters with a high granularity are a fundamental requirement of the Particle Flow paradigm. This paper focuses on the prototype of a hadron calorimeter with analog readout, consisting of thirty-eight scintillator layers alternating with steel absorber planes. [...]
AIDA-PUB-2013-024.- Geneva : CERN, 2013 - Published in : Journal of Instrumentation: 8 (2013) Fulltext: PDF;

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2015-03-05
16:25
The FEI4 Pixel Readout Integrated Circuit / Garcia-Sciveres, M et al.
A new pixel readout integrated circuit denominated FE-I4 is being designed to meet the requirements of ATLAS experiment upgrades. It will be the largest readout IC produced to date for particle physics applications, filling the maximum allowed reticle area. [...]
AIDA-PUB-2011-016.- Geneva : CERN, 2011 - Published in : Nucl. Instrum. Meth. A: A (2011) , no. 636, pp. S155-S159 Fulltext: PDF;

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2015-03-05
16:22
Development of a versatile and modular test system for ATLAS hybrid pixel detectors / Backhaus, M (UBONN) ; Barbero, M (UBONN) ; Gonella, L (UBONN) ; Grobe-Knetter, J (UNI-Göttingen) ; Hügging, F (UBONN) ; Krüger, H (UBONN) ; Weingarten, J (UNI-Göttingen) ; Wermes, N (UBONN)
The insertable B-Layer upgrade of the ATLAS pixel detector forsees the installation of a fourth pixel layer close to the beam pipe inside the current ATLAS pixel detector. A new readout chip (FE-I4) has been developed to match the increased requirements in terms of radiation hardness and hit occupancy. [...]
AIDA-PUB-2011-015.- Geneva : CERN, 2011 - Published in : Nucl. Instrum. Meth. A: A (2011) , no. 650, pp. 37-40 Fulltext: PDF;

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2015-03-05
16:07
Track segments in hadronic showers in a highly granular scintillator-steel hadron calorimeter / The CALICE collaboration
We investigate the three dimensional substructure of hadronic showers in the CAL- ICE scintillator-steel hadronic calorimeter. The high granularity of the detector is used to find track segments of minimum ionising particles within hadronic showers, providing sensitivity to the spatial structure and the details of secondary particle production in hadronic cascades. [...]
AIDA-PUB-2013-023.- Geneva : CERN, 2013 - Published in : Journal of Instrumentation: 8 (2013) Fulltext: PDF;

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2015-03-05
15:41
Towards minimum material trackers for hep experiments at upgraded luminosities / Gonella, L (UBONN) ; Hügging, F (UBONN) ; Wermes, N (UBONN)
Reducing material in silicon trackers is of major importance for a good detector performance overall, and poses a big challenge in the development of the detectors. To match the low material desirable for trackers in High Energy Physics experiments at upgraded luminosities, special techniques have to be developed to address the main sources of material, i.e. [...]
AIDA-PUB-2011-014.- Geneva : CERN, 2011 - Published in : Nucl. Instrum. Meth. A: A (2011) , no. 650, pp. 202-207 Fulltext: PDF;

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