Journal
PHYSICS LETTERS B
Volume 686, Issue 2-3, Pages 162-165Publisher
ELSEVIER
DOI: 10.1016/j.physletb.2010.02.037
Keywords
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Funding
- World Premier International Research Center Initiative, MEXT, Japan
- US DOE [DE-AC03-76SF00098]
- NSF [PHY-04-57315]
- Japan Society for Promotion of Science (JSPS) [20540257, 21740169]
- Grants-in-Aid for Scientific Research [21740169, 20540257] Funding Source: KAKEN
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Kibble mechanism drastically underestimates the production of point-like topological defects, as confirmed recently in atomic and condensed matter systems If non-thermally produced, they can be cosmological dark matter of mass 1-10 PeV or heavier If thermalized, skyrimon of mass 1-10 TeV is also a viable dark matter candidate, whose decay may explain e(+/-) spectra in cosmic rays recently measured by PAMELA, FERMI, and HESS Collaborations Models that produce magnetic monopoles below the inflation scale, such as Pati-Salam unification, are ruled out unless new annihilation mechanism for monopoles is introduced (C) 2010 Elsevier B V All rights reserved
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