2009-09-26

A Prototype Detector for Dark Matter

Prototype Developed To Detect Dark Matter

ScienceDaily (Sep. 25, 2009) — A team of researchers from the University of Zaragoza (UNIZAR) and the Institut d'Astrophysique Spatiale (IAS, in France) has developed a "scintillating bolometer" -- a device that the scientists will use in efforts to detect the dark matter of the universe, and which has been tested at the Canfranc Underground Laboratory in Huesca, Spain.

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This is the BGO scintillator crystal (right, blue) and germanium disc (left)
Image comment: This is the BGO scintillator crystal (right, blue) and germanium disc (left)
Image credits: IAS / SINC
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This is the experimental arrangement in the Underground Laboratory Canfranc
Image comment: This is the experimental arrangement in the Underground Laboratory Canfranc
Image credits: IAS / SINC

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Dark matter

In astronomy and cosmology, dark matter is hypothetical matter that is undetectable by its emitted radiation, but whose presence can be inferred from gravitational effects on visible matter.[1] According to present observations of structures larger than galaxies, as well as Big Bang cosmology, dark matter and dark energy could account for the vast majority of the mass in the observable universe.

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File:Gravitationell-lins-4.jpg
Strong gravitational lensing as observed by the Hubble Space Telescope in Abell 1689 indicates the presence of dark matter
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File:COSMOS 3D dark matter map.jpg
3D map of the large-scale distribution of dark matter, reconstructed from measurements of weak gravitational lensing with the Hubble Space Telescope.
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File:DarkMatterPie.jpg
Estimated distribution of dark matter and dark energy in the universe
clipped from en.wikipedia.org
Bolometer

A bolometer is a device for measuring the energy of incident electromagnetic radiation. It was invented in 1878 by the American astronomer Samuel Pierpont Langley.

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Sources:
  1. Prototype Developed To Detect Dark Matter
  2. Dark Matter Detection-Device Prototype Created - It could find out if the stuff exists once and for all - Softpedia
  3. Dark Matter Detection-Device Prototype Created - image 1 detail - Softpedia
  4. Dark Matter Detection-Device Prototype Created - image 2 detail - Softpedia
  5. Dark matter - Wikipedia, the free encyclopedia
  6. Bolometer - Wikipedia, the free encyclopedia
  7. Desarrollan un prototipo para detectar materia oscura / Noticias / SINC - Servicio de Información y Noticias Científicas
  8. FECYT. Spanish Science and Technology Foundation.
  9. Institut d'astrophysique spatiale - Content_mic
Related:
  1. Desarrollan un prototipo para detectar materia oscura / Galería vídeos / SINC - Servicio de Información y Noticias Científicas
  2. Prototype developed to detect dark matter
  3. A Prototype Detector for Dark Matter in the Milky Way | Universe Today
  4. Prototype developed to detect dark matter
  5. Prototype Developed To Detect Dark Matter - Space News - redOrbit
  6. SpringerLink - Journal Article
  7. ScienceDirect - Optical Materials : A BGO scintillating bolometer as dark matter detector prototype