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Träfflista för sökning "WFRF:(Shlegel V. N.) "

Search: WFRF:(Shlegel V. N.)

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1.
  • Abdelhameed, A. H., et al. (author)
  • First results on sub-GeV spin-dependent dark matter interactions with Li-7
  • 2019
  • In: European Physical Journal C. - : Springer Science and Business Media LLC. - 1434-6044 .- 1434-6052. ; 79:7
  • Journal article (peer-reviewed)abstract
    • In this work, we want to highlight the potential of lithium as a target for spin-dependent dark matter search in cryogenic experiments, with a special focus on the low-mass region of the parameter space. We operated a prototype detector module based on a Li2MoO4 target crystal in an above-ground laboratory. Despite the high background environment, the detector sets a competitive limit on spin-dependent interactions of dark matter particles with protons and neutrons for masses between 1.5 GeV/c(2).
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2.
  • Klamra, Wlodzimierz, et al. (author)
  • Properties of CdWO4 and ZnWO4 at Liquid Nitrogen Temperature
  • 2009
  • In: 2009 IEEE NUCLEAR SCIENCE SYMPOSIUM CONFERENCE RECORD, VOLS 1-5. - 9781424439614 ; , s. 1561-1565
  • Conference paper (peer-reviewed)abstract
    • Two samples of 10 mm diameter and 10 mm height CdWO4 (CdWO) and ZnWO4 (ZnWO) scintillators were studied at room (RT) and liquid nitrogen (LN2) temperature. At room temperature the crystals were coupled to a Photonis XP3212 photomultiplier. During experiments in liquid nitrogen a Large Area Avalanche Photodiode (LAAPD) was used as a photodetector. Measurements of light output, non-proportionality of the light yield and intrinsic resolution as a function of gamma-ray energies were performed at both temperatures. The non-proportionality for the two crystals, likely CaWO4, reveals temperature dependence, to reach the same values at LN2 temperature. Intrinsic energy resolution for both crystals was also changed at LN2 comparing to the data collected at RT. The intrinsic energy resolution was improved below 100 keV and deteriorated for higher energies.
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3.
  • Klamra, Wlodzimierz, et al. (author)
  • Properties of CdWO4 and ZnWO4 scintillators at liquid nitrogen temperature
  • 2012
  • In: Journal of Instrumentation. - 1748-0221. ; 7:3, s. P03011-
  • Journal article (peer-reviewed)abstract
    • Two samples of 10 mm diameter and 10 mm height CdWO4 and ZnWO4 scintillators were studied at room and liquid nitrogen temperatures. At room temperature the crystals were coupled to a Photonis XP3212 photomultiplier. During experiments at low temperatures a Large Area Avalanche Photodiode was used as a photodetector. Measurements of light output, c of the light yield and intrinsic resolution as a function of gamma-ray energies were performed at both temperatures. The non-proportionality for the two crystals reveals temperature dependence, showing a more proportional behavior at liquid nitrogen temperature. Intrinsic energy resolution values for both crystals also show temperature dependence.
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  • Result 1-3 of 3

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