The Dynamic Range of Ultra-High Resolution Cryogenic Gamma-ray Spectrometers

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We are developing high-resolution cryogenic gamma-ray spectrometers for nuclear science and non-proliferation applications. The gamma-ray detectors are composed of a bulk superconducting Sn foil absorber attached to multilayer Mo/Cu transition-edge sensors (TES). The energy resolution achieved with a 1 x 1 x 0.25 mm{sup 3} Sn absorber is 50 -90eV for {gamma}-rays up to 100 keV and it decreases for large absorber sizes. We discuss the trade-offs between energy resolution and dynamic range, as well as development of TES arrays for higher count rates and better sensitivity.

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7 p. (0.1 MB)

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Ali, S; Terracol, S F; Drury, O B & Friedrich, S August 10, 2005.

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We are developing high-resolution cryogenic gamma-ray spectrometers for nuclear science and non-proliferation applications. The gamma-ray detectors are composed of a bulk superconducting Sn foil absorber attached to multilayer Mo/Cu transition-edge sensors (TES). The energy resolution achieved with a 1 x 1 x 0.25 mm{sup 3} Sn absorber is 50 -90eV for {gamma}-rays up to 100 keV and it decreases for large absorber sizes. We discuss the trade-offs between energy resolution and dynamic range, as well as development of TES arrays for higher count rates and better sensitivity.

Physical Description

7 p. (0.1 MB)

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PDF-file: 7 pages; size: 0.1 Mbytes

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  • Presented at: Low Temperature Detectors (LTD) 11, Tokyo, Japan, Jul 31 - Aug 05, 2005

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  • Report No.: UCRL-CONF-214511
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 877802
  • Archival Resource Key: ark:/67531/metadc873154

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • August 10, 2005

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  • Sept. 21, 2016, 2:29 a.m.

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  • April 17, 2017, 12:44 p.m.

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Ali, S; Terracol, S F; Drury, O B & Friedrich, S. The Dynamic Range of Ultra-High Resolution Cryogenic Gamma-ray Spectrometers, article, August 10, 2005; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc873154/: accessed May 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.