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Characterization of a gamma-ray tracking array : A comparison of GRETINA and Gammasphere using a 60Co source

Lauritsen, T. ; Korichi, A. ; Zhu, S. ; Wilson, A. N. ; Weisshaar, D. ; Dudouet, J. ; Ayangeakaa, A. D. ; Carpenter, M. P. ; Campbell, C. M. and Clément, E. , et al. (2016) In Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 836. p.46-56
Abstract

In this paper, we provide a formalism for the characterization of tracking arrays with emphasis on the proper corrections required to extract their photopeak efficiencies and peak-to-total ratios. The methods are first applied to Gammasphere, a well characterized 4π array based on the principle of Compton suppression, and subsequently to GRETINA. The tracking efficiencies are then discussed and some guidelines as to what clustering angle to use in the tracking algorithm are presented. It was possible, using GEANT4 simulations, to scale the measured efficiencies up to the expected values for the full 4π implementation of GRETA.

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organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Efficiency measurements, Gammasphere, GRETA, GRETINA, Nuclear structure, Segmented germanium detectors, γ-Ray spectroscopy, γ-Ray tracking
in
Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
volume
836
pages
11 pages
publisher
Elsevier
external identifiers
  • scopus:84983806503
  • wos:000385601400007
ISSN
0168-9002
DOI
10.1016/j.nima.2016.07.027
language
English
LU publication?
yes
id
9518df85-d5df-4bf7-9f06-ce009aad77a7
date added to LUP
2016-10-13 08:49:51
date last changed
2024-06-14 15:33:06
@article{9518df85-d5df-4bf7-9f06-ce009aad77a7,
  abstract     = {{<p>In this paper, we provide a formalism for the characterization of tracking arrays with emphasis on the proper corrections required to extract their photopeak efficiencies and peak-to-total ratios. The methods are first applied to Gammasphere, a well characterized 4π array based on the principle of Compton suppression, and subsequently to GRETINA. The tracking efficiencies are then discussed and some guidelines as to what clustering angle to use in the tracking algorithm are presented. It was possible, using GEANT4 simulations, to scale the measured efficiencies up to the expected values for the full 4π implementation of GRETA.</p>}},
  author       = {{Lauritsen, T. and Korichi, A. and Zhu, S. and Wilson, A. N. and Weisshaar, D. and Dudouet, J. and Ayangeakaa, A. D. and Carpenter, M. P. and Campbell, C. M. and Clément, E. and Crawford, H. L. and Cromaz, M. and Fallon, P. and Greene, J. P. and Janssens, R. V F and Khoo, T. L. and Lalovic, Natasa and Lee, I. Y. and Macchiavelli, A. O. and Perez-Vidal, R. M. and Pietri, S. and Radford, D. C. and Ralet, D. and Riley, L. A. and Seweryniak, D. and Stezowski, O.}},
  issn         = {{0168-9002}},
  keywords     = {{Efficiency measurements; Gammasphere; GRETA; GRETINA; Nuclear structure; Segmented germanium detectors; γ-Ray spectroscopy; γ-Ray tracking}},
  language     = {{eng}},
  month        = {{11}},
  pages        = {{46--56}},
  publisher    = {{Elsevier}},
  series       = {{Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment}},
  title        = {{Characterization of a gamma-ray tracking array : A comparison of GRETINA and Gammasphere using a <sup>60</sup>Co source}},
  url          = {{http://dx.doi.org/10.1016/j.nima.2016.07.027}},
  doi          = {{10.1016/j.nima.2016.07.027}},
  volume       = {{836}},
  year         = {{2016}},
}