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The data corresponds to 275 milion BB meson from B+\u3000\u2192\u3000J/k*+ and the K*+ decay into K*+ \u2192K+\u03c00 and Ks\u03c0+ sub-decay modes. The complex decay amplitudes of three helicity final states of B+ \u2192\u3000J/K*+(Ks\u03c0+) 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\u2192 J/K*+. The breakdown existence in charged B+ \u2192J/K*+ is measured 1.59o. We compared with the decay amplitutes between neutral and charged B \u2192 J/K* system. The measured amplitudes between charged plus and minus are consistent within the errors except for B\u00b1 \u2192 J/K*\u00b1(K*+ \u2192 Ks\u03c0\u00b1). The difference is measured 2.39o in opposite charge sign. With the decay amplitudes measured in charged B+ \u2192 J/K*+, we extract the triple product correlation parameter which has a sensitivity to the R-party violating beyond the Standard Model. 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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 | |
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Item type | 学位論文 / Thesis or Dissertation(1) | |||||
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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 |
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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 |