The FoCal prototype - an extremely fine-grained electromagnetic calorimeter using CMOS pixel sensors

A prototype of a Si-W EM calorimeter was built with Monolithic Active Pixel Sensors as the active elements. With a pixel size of 30 μm it allows digital calorimetry, i.e. the particle's energy is determined by counting pixels, not by measuring the energy deposited. Although of modest size, with...

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Autores principales: de Haas, A.P., Nooren, G., Peitzmann, T., Reicher, M., Rocco, E., Röhrich, D., Ullaland, K., van den Brink, A., van Leeuwen, M., Wang, H., Yang, S., Zhang, C.
Lenguaje:eng
Publicado: 2017
Materias:
hep-ex
Particle Physics - Experiment
physics.ins-det
Detectors and Experimental Techniques
Acceso en línea:https://dx.doi.org/10.1088/1748-0221/13/01/P01014
http://cds.cern.ch/record/2287523
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author de Haas, A.P.
Nooren, G.
Peitzmann, T.
Reicher, M.
Rocco, E.
Röhrich, D.
Ullaland, K.
van den Brink, A.
van Leeuwen, M.
Wang, H.
Yang, S.
Zhang, C.
author_facet de Haas, A.P.
Nooren, G.
Peitzmann, T.
Reicher, M.
Rocco, E.
Röhrich, D.
Ullaland, K.
van den Brink, A.
van Leeuwen, M.
Wang, H.
Yang, S.
Zhang, C.
author_sort de Haas, A.P.
collection CERN
description A prototype of a Si-W EM calorimeter was built with Monolithic Active Pixel Sensors as the active elements. With a pixel size of 30 μm it allows digital calorimetry, i.e. the particle's energy is determined by counting pixels, not by measuring the energy deposited. Although of modest size, with a width of only four Moliere radii, it has 39 million pixels. In this article the construction and tuning of the prototype is described. Results from beam tests are compared with predictions of GEANT-based Monte Carlo simulations. The shape of showers caused by electrons is shown in unprecedented detail. Results for energy and position resolution are also given.
id cern-2287523
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2017
record_format invenio
spelling cern-22875232021-05-03T20:32:25Zdoi:10.1088/1748-0221/13/01/P01014http://cds.cern.ch/record/2287523engde Haas, A.P.Nooren, G.Peitzmann, T.Reicher, M.Rocco, E.Röhrich, D.Ullaland, K.van den Brink, A.van Leeuwen, M.Wang, H.Yang, S.Zhang, C.The FoCal prototype - an extremely fine-grained electromagnetic calorimeter using CMOS pixel sensorshep-exParticle Physics - Experimentphysics.ins-detDetectors and Experimental TechniquesA prototype of a Si-W EM calorimeter was built with Monolithic Active Pixel Sensors as the active elements. With a pixel size of 30 μm it allows digital calorimetry, i.e. the particle's energy is determined by counting pixels, not by measuring the energy deposited. Although of modest size, with a width of only four Moliere radii, it has 39 million pixels. In this article the construction and tuning of the prototype is described. Results from beam tests are compared with predictions of GEANT-based Monte Carlo simulations. The shape of showers caused by electrons is shown in unprecedented detail. Results for energy and position resolution are also given.A prototype of a Si-W EM calorimeter was built with Monolithic Active Pixel Sensors as the active elements. With a pixelsize of 30 $\mu$m it allows digital calorimetry, i.e. the particles' energy is determined by counting pixels, not by measuring the energy deposited. Although of modest size, with a width of only four Moliere radii, it has 39 million pixels. We describe the construction and tuning of the prototype and present results from beam tests and compare them with predictions of GEANT-based Monte Carlo simulations. We show the shape of showers caused by electrons in unprecedented detail. Results for energy and position resolution will also be given.arXiv:1708.05164oai:cds.cern.ch:22875232017-08-17
spellingShingle hep-ex
Particle Physics - Experiment
physics.ins-det
Detectors and Experimental Techniques
de Haas, A.P.
Nooren, G.
Peitzmann, T.
Reicher, M.
Rocco, E.
Röhrich, D.
Ullaland, K.
van den Brink, A.
van Leeuwen, M.
Wang, H.
Yang, S.
Zhang, C.
The FoCal prototype - an extremely fine-grained electromagnetic calorimeter using CMOS pixel sensors
title The FoCal prototype - an extremely fine-grained electromagnetic calorimeter using CMOS pixel sensors
title_full The FoCal prototype - an extremely fine-grained electromagnetic calorimeter using CMOS pixel sensors
title_fullStr The FoCal prototype - an extremely fine-grained electromagnetic calorimeter using CMOS pixel sensors
title_full_unstemmed The FoCal prototype - an extremely fine-grained electromagnetic calorimeter using CMOS pixel sensors
title_short The FoCal prototype - an extremely fine-grained electromagnetic calorimeter using CMOS pixel sensors
title_sort focal prototype - an extremely fine-grained electromagnetic calorimeter using cmos pixel sensors
topic hep-ex
Particle Physics - Experiment
physics.ins-det
Detectors and Experimental Techniques
url https://dx.doi.org/10.1088/1748-0221/13/01/P01014
http://cds.cern.ch/record/2287523
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