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  1. 0 資料タイプ別
  2. 02 学位論文
  1. 230 大学院自然科学研究科
  2. 60 博士学位論文
  3. 10 博士学位論文

Measurement of decay amplitudes and triple product correlations in B +→J /ψ K *+

http://hdl.handle.net/10191/1477
acec16c0-39d3-4e7c-b19d-b3bcc4763f03
名前 / ファイル ライセンス アクション
13_0004.pdf 本文 (29.6 MB)
Item type 学位論文 / Thesis or Dissertation(1)
公開日 2007-04-23
タイトル
タイトル Measurement of decay amplitudes and triple product correlations in B +→J /ψ K *+
タイトル
言語 en
タイトル Measurement of decay amplitudes and triple product correlations in B +→J /ψ K *+
言語
言語 eng
キーワード
主題Scheme Other
主題 decay amplitude
キーワード
主題Scheme Other
主題 triple product correlation
キーワード
主題Scheme Other
主題 B→J
キーワード
主題Scheme Other
主題 4k*
資源タイプ
資源 http://purl.org/coar/resource_type/c_46ec
タイプ thesis
その他のタイトル
その他のタイトル B +→J /ψ K *+における崩壊振幅とtriple product correlationsの測定
著者 Onuki, Yoshiyuki

× Onuki, Yoshiyuki

WEKO 48933

Onuki, Yoshiyuki

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著者別名
識別子
識別子 48934
識別子Scheme WEKO
姓名
姓名 小貫, 良行
抄録
内容記述タイプ Abstract
内容記述 We present a measurement of decay a measure of decay amplitudes in B+ →J/K+ decays based on a 253 fb-1 data sample collected at the γ(4S) resonance with the Bele detector at the KEKB asymmetric-energy e+e- collider. The data corresponds to 275 milion BB meson from B+ → J/k*+ and the K*+ decay into K*+ →K+π0 and Ksπ+ sub-decay modes. The complex decay amplitudes of three helicity final states of B+ → J/K*+(Ksπ+) are measured by a simulataneous fit to three transversity angles. We have extacted decay amplitudes by full anfular analysis with an improved un-binned maximum likehood fit method. We have determined absolute values of three decay amplitudes and two relative phase reporded in neutral B0→ J/K*+. The breakdown existence in charged B+ →J/K*+ is measured 1.59o. We compared with the decay amplitutes between neutral and charged B → J/K* system. The measured amplitudes between charged plus and minus are consistent within the errors except for B± → J/K*±(K*+ → Ksπ±). The difference is measured 2.39o in opposite charge sign. With the decay amplitudes measured in charged B+ → J/K*+, we extract the triple product correlation parameter which has a sensitivity to the R-party violating beyond the Standard Model. These results are consistent with the Standard Model.
内容記述
内容記述タイプ Other
内容記述 新大博(理)乙第55号
書誌情報 p. 1-114, 発行日 2005-09-20
出版者
出版者 新潟大学大学院自然科学研究科
著者版フラグ
値 author
学位名
学位名 博士(理学)
学位授与機関
学位授与機関名
学位授与機関名 新潟大学
学位授与年月日
学位授与年月日 2005-09-20
学位授与番号
学位授与番号 13101乙第2028号
学位記番号
内容記述タイプ Other
内容記述 新大博(理)乙第55号
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