Right-handed sneutrino dark matter in supersymmetric B - L model
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We show that the lightest right-handed sneutrino in TeV scale supersymmetric B - L model with inverse seesaw mechanism is a viable candidate for cold dark matter. We find that it accounts for the observed dark matter relic abundance in a wide range of parameter space. The spin-independent cross section of B - L right-handed sneutrino is consistent with the recent results CDMS II and XENON experiments and it is detectable in future direct detection experiments. Although the B-L right-handed sneutrinos annihilate into leptons, the PAMELA results can not be explained in this model unless a huge boost factor is considered. Also the muon flux generated by B -L right-handed sneutrino in the galactic center is smaller than Super-Kamiokande's upper bound. © SISSA 2011.
収録刊行物
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- Journal of High Energy Physics
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Journal of High Energy Physics 2011 (7), 026-, 2011-01-01
Springer Verlag / SISSA
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詳細情報 詳細情報について
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- CRID
- 1050282810919068672
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- NII論文ID
- 120003497611
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- NII書誌ID
- AA11380940
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- ISSN
- 11266708
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- Web Site
- http://hdl.handle.net/2297/29515
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- 本文言語コード
- en
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- 資料種別
- journal article
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- データソース種別
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- IRDB
- CiNii Articles