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| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 張寶棣 | zh_TW |
| dc.contributor.advisor | Pao-Ti Chang | en |
| dc.contributor.author | 陳文翊 | zh_TW |
| dc.contributor.author | Wen-Yi Chen | en |
| dc.date.accessioned | 2024-09-10T16:17:29Z | - |
| dc.date.available | 2024-09-11 | - |
| dc.date.copyright | 2024-09-10 | - |
| dc.date.issued | 2024 | - |
| dc.date.submitted | 2024-08-13 | - |
| dc.identifier.citation | F. Abudinén, C. Kiesling, and T. Kuhr. Development of a B0 flavor tagger and performance study of a novel time-dependent CP analysis of the decay B0-gt;pi0pi0 at Belle II. PhD thesis, Munich, Ludwig-Maximilians-Universität, Munich, 2018. Presented on 19 10 2018.
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| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/95480 | - |
| dc.description.abstract | 我們測量了B -> h η 在Belle II，衰變和電荷宇稱破壞的實驗結果。我們分析了在Υ(4S)共振態下積分亮度共362反飛靶的正負電子對撞數據。 | zh_TW |
| dc.description.abstract | We report on updated measurements of branching fractions and CP-violating charge asymmetries in charmless hadronic B -> h η decays at Belle II. We analyze samples of the full LS1 data set corresponding to 362 of integrated luminosity recorded at the Υ(4S) resonance. | en |
| dc.description.provenance | Submitted by admin ntu (admin@lib.ntu.edu.tw) on 2024-09-10T16:17:28Z No. of bitstreams: 0 | en |
| dc.description.provenance | Made available in DSpace on 2024-09-10T16:17:29Z (GMT). No. of bitstreams: 0 | en |
| dc.description.tableofcontents | Acknowledgements i
摘要iii Abstract v Contents vii List of Figures xi List of Tables xix Chapter 1 Prologue 3 1.1 Standard Model 3 1.2 The Cabibbo-Kobayashi-Maskawa matrix 3 1.3 CP Violation 6 1.3.1 Direct CP Violation in charmless B decay 6 1.4 Charmless B → hη decays 7 Chapter 2 Belle II Detector 9 2.1 SuperKEKB Accelerator 9 2.2 Belle II Detector 10 Chapter 3 Introduction and Motivation 13 Chapter 4 Data Samples 17 Chapter 5 Selection and Reconstruction 19 5.1 Reconstruction Modes 19 5.2 Reconstruction and Baseline Selection 19 5.3 Continuum Suppression 23 5.4 Final Selection 28 5.5 Sample Composition 30 Chapter 6 Extraction of Physics Parameters 39 6.1 Fitter Details 41 6.1.1 Fitter for B+ → ηK+ ,B+ → ηπ+ 41 6.1.2 Fitter for B0 → ηK0S 43 6.2 PDF shapes 43 6.2.1 Fit shapes for B+ → ηh+ 43 6.2.2 Fit shapes for B0 → ηK0S 49 6.3 Fitter Validation 49 6.3.1 Fit to Simulated Data 49 6.3.2 Validation using Pseudo-experiments 51 Chapter 7 Control Channels 71 7.1 B0 → D0(→ K+π−)π0 72 7.2 B+ → D0( → K+π−π0) π+ 74 Chapter 8 PID correction 79 Chapter 9 π0 and η efficiency correction 81 Chapter 10 Systematic Uncertainties 83 10.1 Tracking efficiency 83 10.2 B ¯B pair counting 83 10.3 f+−/f00 83 10.4 η Reconstruction Efficiency 85 10.5 K0S Reconstruction Efficiency 85 10.6 CS selection 86 10.7 PID correction 86 10.8 Fudge Factors 87 10.9 Modeling 87 References 89 Appendix A — Description of BDT training variables for B → ηh 93 Appendix B — Data-MC comparison of training variables 97 Appendix C — B ¯B background studies 105 C.1 B ¯B background components in B+ → K+η 105 C.1.1 B+ → K+η, η → π+π−π0 sample 105 C.1.2 B+ → K+η, η → γγ sample 105 C.2 B ¯B background components in B+ → π+η 105 C.2.1 B+ → π+η, η → π+π−π0 sample 105 C.2.2 B+ → π+η, η → γγ sample 109 C.3 B ¯B background components in B0 → K0Sη 109 C.3.1 B0 → K0Sη, η → π+π−π0 sample 109 C.3.2 B0 → K0Sη, η → γγ sample 109 | - |
| dc.language.iso | en | - |
| dc.subject | Belle II實驗 | zh_TW |
| dc.subject | B衰變 | zh_TW |
| dc.subject | Belle II | en |
| dc.subject | B meson | en |
| dc.subject | charmless decay | en |
| dc.title | 用Moriond 2023 Dataset量測B+ -> K+ η, B+ -> π+ η, B0 -> KS0 η的衰變和電荷宇稱破壞 | zh_TW |
| dc.title | Measurement of the Branching Ratio and Direct CP Asymmetry of B+ -> K+ η, B+ -> π+ η, B0 -> KS0 η using the Moriond 2023 Dataset | en |
| dc.type | Thesis | - |
| dc.date.schoolyear | 112-2 | - |
| dc.description.degree | 碩士 | - |
| dc.contributor.oralexamcommittee | 趙元;徐靜戈;張敏娟 | zh_TW |
| dc.contributor.oralexamcommittee | Yuan Chao;Jing-Ge Shiu;Ming-Chuan Chang | en |
| dc.subject.keyword | Belle II實驗,B衰變, | zh_TW |
| dc.subject.keyword | B meson,charmless decay,Belle II, | en |
| dc.relation.page | 112 | - |
| dc.identifier.doi | 10.6342/NTU202404192 | - |
| dc.rights.note | 未授權 | - |
| dc.date.accepted | 2024-08-14 | - |
| dc.contributor.author-college | 理學院 | - |
| dc.contributor.author-dept | 物理學系 | - |
| 顯示於系所單位： | 物理學系 | |
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