A Position Sensitive, Highly Radiation Hard and Fast Hadron Calorimeter for a Lead Ion Experiment at CERN SPS

We present the performance of the Zero Degree Calorimeter (ZDC) built for the NA50 experiment at the CERN SPS. This detector measures the Cherenkov light produced in silica optical fibres embedded in tantalum and offers the double advantage of being highly radiation resistant (up to several Grads) a...

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Autores principales: Dellacasa, G, De Marco, N, Gallio, M, Guaita, P, Musso, A, Piccotti, A, Scomparin, E, Vercellin, Ermanno, Chiavassa, E
Lenguaje:eng
Publicado: 1995
Materias:
Detectors and Experimental Techniques
Acceso en línea:https://dx.doi.org/10.1016/0168-9002(95)00649-4
http://cds.cern.ch/record/689037
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author Dellacasa, G
De Marco, N
Gallio, M
Guaita, P
Musso, A
Piccotti, A
Scomparin, E
Vercellin, Ermanno
Chiavassa, E
author_facet Dellacasa, G
De Marco, N
Gallio, M
Guaita, P
Musso, A
Piccotti, A
Scomparin, E
Vercellin, Ermanno
Chiavassa, E
author_sort Dellacasa, G
collection CERN
description We present the performance of the Zero Degree Calorimeter (ZDC) built for the NA50 experiment at the CERN SPS. This detector measures the Cherenkov light produced in silica optical fibres embedded in tantalum and offers the double advantage of being highly radiation resistant (up to several Grads) and very fast (signal width of the order of 10 ns). It has an active volume of 5x5x65 cm3 with a fibre to tantalum volume ratio 1/17; the fibres are positioned at an angle of 0¡ with respect to the beam direction and have a diameter of 365µm. The measured energy resolution (s/E) is: 30% for protons at 205 GeV and 5% for lead ions at 160 GeV/nucleon. The detector exhibits also very good localising properties since it can detect the impact point of the lead beam on its front face with a precision better than 0.4mm rms.
id cern-689037
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 1995
record_format invenio
spelling cern-6890372019-09-30T06:29:59Zdoi:10.1016/0168-9002(95)00649-4http://cds.cern.ch/record/689037engDellacasa, GDe Marco, NGallio, MGuaita, PMusso, APiccotti, AScomparin, EVercellin, ErmannoChiavassa, EA Position Sensitive, Highly Radiation Hard and Fast Hadron Calorimeter for a Lead Ion Experiment at CERN SPSDetectors and Experimental TechniquesWe present the performance of the Zero Degree Calorimeter (ZDC) built for the NA50 experiment at the CERN SPS. This detector measures the Cherenkov light produced in silica optical fibres embedded in tantalum and offers the double advantage of being highly radiation resistant (up to several Grads) and very fast (signal width of the order of 10 ns). It has an active volume of 5x5x65 cm3 with a fibre to tantalum volume ratio 1/17; the fibres are positioned at an angle of 0¡ with respect to the beam direction and have a diameter of 365µm. The measured energy resolution (s/E) is: 30% for protons at 205 GeV and 5% for lead ions at 160 GeV/nucleon. The detector exhibits also very good localising properties since it can detect the impact point of the lead beam on its front face with a precision better than 0.4mm rms.ALICE-INT-1995-11CERN-ALICE-INT-1995-11oai:cds.cern.ch:6890371995
spellingShingle Detectors and Experimental Techniques
Dellacasa, G
De Marco, N
Gallio, M
Guaita, P
Musso, A
Piccotti, A
Scomparin, E
Vercellin, Ermanno
Chiavassa, E
A Position Sensitive, Highly Radiation Hard and Fast Hadron Calorimeter for a Lead Ion Experiment at CERN SPS
title A Position Sensitive, Highly Radiation Hard and Fast Hadron Calorimeter for a Lead Ion Experiment at CERN SPS
title_full A Position Sensitive, Highly Radiation Hard and Fast Hadron Calorimeter for a Lead Ion Experiment at CERN SPS
title_fullStr A Position Sensitive, Highly Radiation Hard and Fast Hadron Calorimeter for a Lead Ion Experiment at CERN SPS
title_full_unstemmed A Position Sensitive, Highly Radiation Hard and Fast Hadron Calorimeter for a Lead Ion Experiment at CERN SPS
title_short A Position Sensitive, Highly Radiation Hard and Fast Hadron Calorimeter for a Lead Ion Experiment at CERN SPS
title_sort position sensitive, highly radiation hard and fast hadron calorimeter for a lead ion experiment at cern sps
topic Detectors and Experimental Techniques
url https://dx.doi.org/10.1016/0168-9002(95)00649-4
http://cds.cern.ch/record/689037
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