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Influence of radiation damage on the performance of a lead/scintillator calorimeter investigated with 1–6 GeV electrons

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Title: Influence of radiation damage on the performance of a lead/scintillator calorimeter investigated with 1–6 GeV electrons
Authors: Bohnet, I., Kummerow, D., Wick, K. klaus.wick@desy.de
Source: Nuclear Instruments & Methods in Physics Research Section A. Sep2002, Vol. 490 Issue 1/2, p90. 11p.
Subjects: Scintillators, Gamma ray sources, Germanium compounds
Abstract: The influence of radiation damage on energy resolution, linearity and uniformity of an electromagnetic lead/scintillator calorimeter was studied experimentally with 1–6 GeV electrons. Plastic scintillators and wavelength shifter bars were irradiated uniformly with γ rays. Both were identical with those of the ZEUS uranium calorimeter. The attenuation length of the scintillators was determined from bench tests of single scintillator tiles and from beam tests of the whole calorimeter. After exposure to a dose of 10 kGy the attenuation length of the scintillators decreased by a factor of 2. The experimental results show that the irradiation of the nearly 2 m long wavelength shifter bars affects the calorimeter much more than the damage of the scintillators which were only 19 cm long. Damaged and undamaged sections of the calorimeter were scanned with a moving radioactive γ source (60Co). The results demonstrate that the 60Co monitor system is a very precise tool to detect radiation damage in a sampling calorimeter. [Copyright &y& Elsevier]
Copyright of Nuclear Instruments & Methods in Physics Research Section A is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
An: 7865140
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  Data: Influence of radiation damage on the performance of a lead/scintillator calorimeter investigated with 1–6 GeV electrons
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  Data: <searchLink fieldCode="AR" term="%22Bohnet%2C+I%2E%22">Bohnet, I.</searchLink><br /><searchLink fieldCode="AR" term="%22Kummerow%2C+D%2E%22">Kummerow, D.</searchLink><br /><searchLink fieldCode="AR" term="%22Wick%2C+K%2E%22">Wick, K.</searchLink><i> klaus.wick@desy.de</i>
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  Data: <searchLink fieldCode="JN" term="%22Nuclear+Instruments+%26+Methods+in+Physics+Research+Section+A%22">Nuclear Instruments & Methods in Physics Research Section A</searchLink>. Sep2002, Vol. 490 Issue 1/2, p90. 11p.
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  Data: <searchLink fieldCode="DE" term="%22Scintillators%22">Scintillators</searchLink><br /><searchLink fieldCode="DE" term="%22Gamma+ray+sources%22">Gamma ray sources</searchLink><br /><searchLink fieldCode="DE" term="%22Germanium+compounds%22">Germanium compounds</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The influence of radiation damage on energy resolution, linearity and uniformity of an electromagnetic lead/scintillator calorimeter was studied experimentally with 1–6 GeV electrons. Plastic scintillators and wavelength shifter bars were irradiated uniformly with <f>γ</f> rays. Both were identical with those of the ZEUS uranium calorimeter. The attenuation length of the scintillators was determined from bench tests of single scintillator tiles and from beam tests of the whole calorimeter. After exposure to a dose of 10 kGy the attenuation length of the scintillators decreased by a factor of 2. The experimental results show that the irradiation of the nearly 2 m long wavelength shifter bars affects the calorimeter much more than the damage of the scintillators which were only 19 cm long. Damaged and undamaged sections of the calorimeter were scanned with a moving radioactive <f>γ</f> source (60Co). The results demonstrate that the 60Co monitor system is a very precise tool to detect radiation damage in a sampling calorimeter. [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Nuclear Instruments & Methods in Physics Research Section A is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1016/S0168-9002(02)01057-4
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      – Code: eng
        Text: English
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        PageCount: 11
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      – SubjectFull: Scintillators
        Type: general
      – SubjectFull: Gamma ray sources
        Type: general
      – SubjectFull: Germanium compounds
        Type: general
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      – TitleFull: Influence of radiation damage on the performance of a lead/scintillator calorimeter investigated with 1–6 GeV electrons
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            NameFull: Bohnet, I.
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              Text: Sep2002
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              Y: 2002
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              Value: 490
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