Studies for the optimization of the HMPID CsI-RICH detector

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Autores principales: Di Mauro, A, Morsch, Andreas, Nappi, E, Paic, G, Piuz, François, Cozza, D, Di Bari, D, Barbosa, J
Lenguaje:eng
Publicado: 2000
Materias:
Detectors and Experimental Techniques
Acceso en línea:http://cds.cern.ch/record/689405
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author Di Mauro, A
Morsch, Andreas
Nappi, E
Paic, G
Piuz, François
Cozza, D
Di Bari, D
Barbosa, J
author_facet Di Mauro, A
Morsch, Andreas
Nappi, E
Paic, G
Piuz, François
Cozza, D
Di Bari, D
Barbosa, J
author_sort Di Mauro, A
collection CERN
description <HTML> <HEAD> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=windows-1252"> <META NAME="Generator" CONTENT="Microsoft Word 97"> <TITLE>EUROPEAN ORGANIZATION FOR NUCLEAR RESEARCH</TITLE> <META NAME="Template" CONTENT="Z:\P32\MSO97PRO\OFFICE\html.dot"> </HEAD> <BODY LINK="#0000ff" VLINK="#800080"> <P ALIGN="CENTER">EUROPEAN ORGANIZATION FOR NUCLEAR RESEARCH</P> <P ALIGN="CENTER">&nbsp;</P> <P ALIGN="RIGHT">ALICE/2000-26</P> <P ALIGN="RIGHT">Internal Note/HMPID</P> <P ALIGN="RIGHT">7 November 2000</P> <P ALIGN="RIGHT">&nbsp;</P> <B><FONT SIZE=5><P ALIGN="CENTER">Studies for the optimization of the HMPID CsI-RICH detector</P> </B></FONT><P ALIGN="CENTER">&nbsp;</P> <P ALIGN="CENTER">&nbsp;</P> <P ALIGN="CENTER">&nbsp;</P> <FONT FACE="Times New Roman"><P ALIGN="CENTER">J. Barbosa, A. Di Mauro, A. Morsch, E. Nappi, G. Pai&#263;, F. Piuz</P> </FONT><I><P ALIGN="CENTER">CERN, Geneva, Switzerland</P> </I><P ALIGN="CENTER">D. Cozza, D. Di Bari</P> <I><P ALIGN="CENTER">INFN and Dipartimento Interateneo di Fisica dell'Universit&aacute; di Bari, Italy</P> </I><P ALIGN="CENTER">&nbsp;</P> <P ALIGN="CENTER">&nbsp;</P> <P ALIGN="CENTER">&nbsp;</P> <P ALIGN="CENTER">&nbsp;</P> <B><FONT SIZE=4><P ALIGN="CENTER">Abstract</P> </B></FONT><P ALIGN="JUSTIFY">The optimization of the HMPID RICH geometrical parameters has been performed with beam tests and Monte Carlo simulations. The results show that with a radiator having 50% larger thickness than the 10 mm so far adopted, the detector can be operated at a gain reduced by the same factor, thus decreasing the photon feedback background and improving the stability of operation in presence of heavily ionizing events. In addition, the use of a low gain has the remarkable advantage of providing a reserve of photoelectrons which could be exploited by increasing the gain, in the case of a degradation of the CsI photocathodes quantum efficiency.</P></BODY> </HTML>
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institution Organización Europea para la Investigación Nuclear
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publishDate 2000
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spelling cern-6894052019-09-30T06:29:59Zhttp://cds.cern.ch/record/689405engDi Mauro, AMorsch, AndreasNappi, EPaic, GPiuz, FrançoisCozza, DDi Bari, DBarbosa, JStudies for the optimization of the HMPID CsI-RICH detectorDetectors and Experimental Techniques<HTML> <HEAD> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=windows-1252"> <META NAME="Generator" CONTENT="Microsoft Word 97"> <TITLE>EUROPEAN ORGANIZATION FOR NUCLEAR RESEARCH</TITLE> <META NAME="Template" CONTENT="Z:\P32\MSO97PRO\OFFICE\html.dot"> </HEAD> <BODY LINK="#0000ff" VLINK="#800080"> <P ALIGN="CENTER">EUROPEAN ORGANIZATION FOR NUCLEAR RESEARCH</P> <P ALIGN="CENTER">&nbsp;</P> <P ALIGN="RIGHT">ALICE/2000-26</P> <P ALIGN="RIGHT">Internal Note/HMPID</P> <P ALIGN="RIGHT">7 November 2000</P> <P ALIGN="RIGHT">&nbsp;</P> <B><FONT SIZE=5><P ALIGN="CENTER">Studies for the optimization of the HMPID CsI-RICH detector</P> </B></FONT><P ALIGN="CENTER">&nbsp;</P> <P ALIGN="CENTER">&nbsp;</P> <P ALIGN="CENTER">&nbsp;</P> <FONT FACE="Times New Roman"><P ALIGN="CENTER">J. Barbosa, A. Di Mauro, A. Morsch, E. Nappi, G. Pai&#263;, F. Piuz</P> </FONT><I><P ALIGN="CENTER">CERN, Geneva, Switzerland</P> </I><P ALIGN="CENTER">D. Cozza, D. Di Bari</P> <I><P ALIGN="CENTER">INFN and Dipartimento Interateneo di Fisica dell'Universit&aacute; di Bari, Italy</P> </I><P ALIGN="CENTER">&nbsp;</P> <P ALIGN="CENTER">&nbsp;</P> <P ALIGN="CENTER">&nbsp;</P> <P ALIGN="CENTER">&nbsp;</P> <B><FONT SIZE=4><P ALIGN="CENTER">Abstract</P> </B></FONT><P ALIGN="JUSTIFY">The optimization of the HMPID RICH geometrical parameters has been performed with beam tests and Monte Carlo simulations. The results show that with a radiator having 50% larger thickness than the 10 mm so far adopted, the detector can be operated at a gain reduced by the same factor, thus decreasing the photon feedback background and improving the stability of operation in presence of heavily ionizing events. In addition, the use of a low gain has the remarkable advantage of providing a reserve of photoelectrons which could be exploited by increasing the gain, in the case of a degradation of the CsI photocathodes quantum efficiency.</P></BODY> </HTML>ALICE-INT-2000-26CERN-ALICE-INT-2000-26oai:cds.cern.ch:6894052000
spellingShingle Detectors and Experimental Techniques
Di Mauro, A
Morsch, Andreas
Nappi, E
Paic, G
Piuz, François
Cozza, D
Di Bari, D
Barbosa, J
Studies for the optimization of the HMPID CsI-RICH detector
title Studies for the optimization of the HMPID CsI-RICH detector
title_full Studies for the optimization of the HMPID CsI-RICH detector
title_fullStr Studies for the optimization of the HMPID CsI-RICH detector
title_full_unstemmed Studies for the optimization of the HMPID CsI-RICH detector
title_short Studies for the optimization of the HMPID CsI-RICH detector
title_sort studies for the optimization of the hmpid csi-rich detector
topic Detectors and Experimental Techniques
url http://cds.cern.ch/record/689405
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AT piuzfrancois studiesfortheoptimizationofthehmpidcsirichdetector
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AT dibarid studiesfortheoptimizationofthehmpidcsirichdetector
AT barbosaj studiesfortheoptimizationofthehmpidcsirichdetector

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