Cosmic Ray Spectra in Nambu-Goldstone Dark Matter Models

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We discuss the cosmic ray spectra in annihilating/decaying Nambu-Goldstone dark matter models. The recent observed positron/electron excesses at PAMELA and Fermi experiments are well fitted by the dark matter with a mass of 3TeV for the annihilating model, while with a mass of 6TeV for the decaying model. We also show that the Nambu-Goldstone dark matter models predict a distinctive gamma-ray spectrum in a certain parameter space.

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16 pages

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Ibe, Masahiro; /SLAC; Murayama, Hitoshi; /UC, Berkeley /LBL, Berkeley /Tokyo U., IPMU; Shirai, Satoshi; /Tokyo U. /Tokyo U., IPMU et al. June 11, 2010.

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We discuss the cosmic ray spectra in annihilating/decaying Nambu-Goldstone dark matter models. The recent observed positron/electron excesses at PAMELA and Fermi experiments are well fitted by the dark matter with a mass of 3TeV for the annihilating model, while with a mass of 6TeV for the decaying model. We also show that the Nambu-Goldstone dark matter models predict a distinctive gamma-ray spectrum in a certain parameter space.

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16 pages

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  • Journal Name: JHEP 0911:120,2009; Journal Volume: 09; Journal Issue: 11

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  • Report No.: SLAC-PUB-13688
  • Grant Number: AC02-76SF00515
  • Office of Scientific & Technical Information Report Number: 981677
  • Archival Resource Key: ark:/67531/metadc1014306

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Office of Scientific & Technical Information Technical Reports

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  • June 11, 2010

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  • Oct. 14, 2017, 8:36 a.m.

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  • Nov. 2, 2017, 8:09 p.m.

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Ibe, Masahiro; /SLAC; Murayama, Hitoshi; /UC, Berkeley /LBL, Berkeley /Tokyo U., IPMU; Shirai, Satoshi; /Tokyo U. /Tokyo U., IPMU et al. Cosmic Ray Spectra in Nambu-Goldstone Dark Matter Models, article, June 11, 2010; [California]. (digital.library.unt.edu/ark:/67531/metadc1014306/: accessed December 13, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.