Dark matter candidates

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One of the simplest, yet most profound, questions we can ask about the Universe is, how much stuff is in it, and further what is that stuff composed of. Needless to say, the answer to this question has very important implications for the evolution of the Universe, determining both the ultimate fate and the course of structure formation. Remarkably, at this late date in the history of the Universe we still do not have a definitive answer to this simplest of questions---although we have some very intriguing clues. It is known with certainty that most of the material in the ... continued below

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Pages: 9

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Turner, M.S. January 1, 1989.

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Description

One of the simplest, yet most profound, questions we can ask about the Universe is, how much stuff is in it, and further what is that stuff composed of. Needless to say, the answer to this question has very important implications for the evolution of the Universe, determining both the ultimate fate and the course of structure formation. Remarkably, at this late date in the history of the Universe we still do not have a definitive answer to this simplest of questions---although we have some very intriguing clues. It is known with certainty that most of the material in the Universe is dark, and we have the strong suspicion that the dominant component of material in the Cosmos is not baryons, but rather is exotic relic elementary particles left over from the earliest, very hot epoch of the Universe. If true, the Dark Matter question is a most fundamental one facing both particle physics and cosmology. The leading particle dark matter candidates are: the axion, the neutralino, and a light neutrino species. All three candidates are accessible to experimental tests, and experiments are now in progress. In addition, there are several dark horse, long shot, candidates, including the superheavy magnetic monopole and soliton stars. 13 refs.

Physical Description

Pages: 9

Notes

NTIS, PC A02/MF A01 - OSTI; 1.

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  • 3. ESO-CERN symposium on astronomy, cosmology, and fundamental physics, Bologna, Italy, 16 May 1988

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  • Other: DE89006579
  • Report No.: FNAL/C-89/16-A
  • Report No.: CONF-8805229-2
  • Grant Number: AC02-76CH03000
  • Grant Number: AC02-80ER10587
  • Office of Scientific & Technical Information Report Number: 6494342
  • Archival Resource Key: ark:/67531/metadc1206009

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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.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • January 1, 1989

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  • July 5, 2018, 11:11 p.m.

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  • Aug. 8, 2018, 2:06 p.m.

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Turner, M.S. Dark matter candidates, article, January 1, 1989; United States. (digital.library.unt.edu/ark:/67531/metadc1206009/: accessed January 17, 2019), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.