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  1. B100 理学部/理学研究科
  2. B100d 学位論文
  3. 博士論文(理博・論理博)

An indirect search for WIMPs in the Sun and the Earth using upward-going muon events in Super-Kamiokande

http://hdl.handle.net/2237/14904
http://hdl.handle.net/2237/14904
891ac095-ccbd-4439-863f-fd4f6c6855e3
名前 / ファイル ライセンス アクション
k9175.pdf k9175.pdf (15.0 MB)
Item type 学位論文 / Thesis or Dissertation(1)
公開日 2011-05-30
タイトル
タイトル An indirect search for WIMPs in the Sun and the Earth using upward-going muon events in Super-Kamiokande
言語 en
その他のタイトル
その他のタイトル Super-Kamiokandeにおける上向きミューオン事象を用いた太陽及び地球方向WIMP間接探索
言語 ja
著者 Tanaka, Takayuki

× Tanaka, Takayuki

WEKO 40887

en Tanaka, Takayuki

Search repository
田中, 隆之

× 田中, 隆之

WEKO 40888

ja 田中, 隆之

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
抄録
内容記述 We present the result of an indirect search for high energy neutrinos from WIMP annihilation in the Sun and in the Earth using upward-going muon events at Super-Kamiokande. Datasets from SKI-SKIII (3109.6 days) were used for the analysis. We looked for excesses of neutrino signal from the Sun and the Earth as compared with the expected atmospheric neutrino background in three types of upward-going muon categories: stopping, nonshowering, and showering. No significant excess was observed. The 90% C.L. upper limits of upward-going muon flux induced by WIMPs of 100 GeV/c2 which annihilate in the Sun were 2.1 ×10^3 km^−2 y^−1 and 1.3 ×10^3 km^−2 y^−1 for the soft and hard annihilation channels, respectively. Those of the Earth were 1.1 ×10^3 km^−2 y^−1 and 9.0 ×10^2 km^−2 y^−1 for the soft and hard annihilation channels, respectively. The flux limits from the Sun correspond to upper limits of 4.5 ×10^−3 pb and 2.7 ×10^−4 pb for spin-dependent WIMP-nucleon scattering cross sections in the soft and hard annihilation channels, respectively. Those from the Earth correspond to upper limits of 8.1×10^−6 pb and 7.0 ×10^−7 pb for spin-independent WIMP-nucleon scattering cross sections in the soft and hard annihilation channels, respectively.
言語 en
内容記述タイプ Abstract
内容記述
内容記述 名古屋大学博士学位論文 学位の種類:博士(理学) (課程) 学位授与年月日:平成23年3月25日
言語 ja
内容記述タイプ Other
言語
言語 eng
資源タイプ
資源 http://purl.org/coar/resource_type/c_db06
タイプ doctoral thesis
書誌情報
発行日 2011-03-25
学位名
言語 ja
学位名 博士(理学)
学位授与機関
学位授与機関識別子Scheme kakenhi
学位授与機関識別子 13901
言語 ja
学位授与機関名 名古屋大学
言語 en
学位授与機関名 Nagoya University
学位授与年度
学位授与年度 2010
学位授与年月日
学位授与年月日 2011-03-25
学位授与番号
学位授与番号 甲第9175号
著者版フラグ
値 publisher
URI
識別子 http://hdl.handle.net/2237/14904
識別子タイプ HDL
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