Measurement of the top quark pair production cross section in the muon-electron decay channel at s = TeV with the CMS experiment:
Gespeichert in:
| 1. Verfasser: | |
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| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
Hamburg
DESY
2011
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| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | Zsfassung in dt. und engl. Sprache |
| Beschreibung: | VI, 129 S. graph. Darst. |
Internformat
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| 245 | 1 | 0 | |a Measurement of the top quark pair production cross section in the muon-electron decay channel at s = TeV with the CMS experiment |c vorgelegt von Markus Marienfeld |
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Datensatz im Suchindex
| _version_ | 1804148340764442624 |
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| adam_text | IMAGE 1
CONTENTS
1 INTRODUCTION 1
2 STANDARD MODEL OF PARTICLE PHYSICS 3
2.1 OVERVIEW 3
2.2 QUARKS AND LEPTONS 3
2.3 INTERACTIONS AND GAUGE INVARIANCE 5
2.3.1 PRINCIPLE OF GAUGE INVARIANCE 5
2.3.2 UNIFIED ELECTROMAGNETIC AND WEAK INTERACTION 6
2.3.3 QUANTUM CHROMODYNAMICS 10
2.4 STRUCTURE OF THE PROTON 13
3 PHYSICS OF THE TOP QUARK 17
3.1 PRODUCTION AND DECAY OF TOP QUARKS 17
3.2 MEASUREMENTS OF TOP QUARK PROPERTIES 21
4 LHC AND CMS EXPERIMENT 25
4.1 LARGE HADRON COLLIDER 25
4.2 COMPACT MUON SOLENOID 27
4.2.1 SUPERCONDUCTING MAGNET 29
4.2.2 INNER TRACKING SYSTEM 29
4.2.3 CALORIMETRY 31
4.2.4 MUON SYSTEM 33
4.2.5 TRIGGER AND DATA ACQUISITION 35
4.2.6 DATA QUALITY MONITORING 37
4.2.7 LUMINOSITY MEASUREMENT 39
5 SIMULATION AND EVENT RECONSTRUCTION 41
5.1 MONTE CARLO SIMULATION 42
5.2 OBJECT RECONSTRUCTION 43
5.2.1 MUON RECONSTRUCTION 44
5.2.2 ELECTRON RECONSTRUCTION 47
5.2.3 JET RECONSTRUCTION 53
5.2.4 B JET IDENTIFICATION 57
5.2.5 MISSING TRANSVERSE ENERGY 58
5.2.6 PARTICLE-FLOW RECONSTRUCTION 59
BIBLIOGRAFISCHE INFORMATIONEN HTTP://D-NB.INFO/1013705459
DIGITALISIERT DURCH
IMAGE 2
VI CONTENTS
6 EVENT SELECTION 63
6.1 DATA SAMPLES 64
6.2 EVENT CLEANING AND TRIGGER SELECTION 65
6.3 MUON SELECTION 67
6.4 ELECTRON SELECTION 69
6.5 DILEPTON SELECTION 73
6.6 JET SELECTION 74
6.7 MISSING TRANSVERSE ENERGY SELECTION 76
6.8 EVENT YIELDS 77
6.9 SELECTED EQUALLY-CHARGED LEPTON PAIRS 80
7 CROSS SECTION MEASUREMENTS 83
7.1 SYSTEMATIC UNCERTAINTIES 83
7.1.1 EXPERIMENTAL UNCERTAINTIES 83
7.1.2 THEORETICAL UNCERTAINTIES 89
7.1.3 LUMINOSITY UNCERTAINTY 90
7.2 INCLUSIVE CROSS SECTION 91
7.3 KINEMATIC EVENT RECONSTRUCTION 92
7.4 PERFORMANCE OF B-TAGGING 97
7.5 COMPARISON TO OTHER RESULTS 99
7.6 DIFFERENTIAL CROSS SECTIONS 100
8 OUTLOOK 109
9 SUMMARY AND CONCLUSIONS 115
A SELECTED CANDIDATE EVENTS 117
A.I TOP QUARK CANDIDATE EVENTS 117
A.2 DIBOSON WZ CANDIDATE EVENT . .. 121
BIBLIOGRAPHY 123
TABLE OF FIGURES 127
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| spelling | Marienfeld, Markus Verfasser (DE-588)1013780612 aut Measurement of the top quark pair production cross section in the muon-electron decay channel at s = TeV with the CMS experiment vorgelegt von Markus Marienfeld Hamburg DESY 2011 VI, 129 S. graph. Darst. txt rdacontent n rdamedia nc rdacarrier Zsfassung in dt. und engl. Sprache Hamburg, Univ., Diss., 2011 (DE-588)4113937-9 Hochschulschrift gnd-content DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=024381661&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Marienfeld, Markus Measurement of the top quark pair production cross section in the muon-electron decay channel at s = TeV with the CMS experiment |
| subject_GND | (DE-588)4113937-9 |
| title | Measurement of the top quark pair production cross section in the muon-electron decay channel at s = TeV with the CMS experiment |
| title_auth | Measurement of the top quark pair production cross section in the muon-electron decay channel at s = TeV with the CMS experiment |
| title_exact_search | Measurement of the top quark pair production cross section in the muon-electron decay channel at s = TeV with the CMS experiment |
| title_full | Measurement of the top quark pair production cross section in the muon-electron decay channel at s = TeV with the CMS experiment vorgelegt von Markus Marienfeld |
| title_fullStr | Measurement of the top quark pair production cross section in the muon-electron decay channel at s = TeV with the CMS experiment vorgelegt von Markus Marienfeld |
| title_full_unstemmed | Measurement of the top quark pair production cross section in the muon-electron decay channel at s = TeV with the CMS experiment vorgelegt von Markus Marienfeld |
| title_short | Measurement of the top quark pair production cross section in the muon-electron decay channel at s = TeV with the CMS experiment |
| title_sort | measurement of the top quark pair production cross section in the muon electron decay channel at s tev with the cms experiment |
| topic_facet | Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=024381661&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| work_keys_str_mv | AT marienfeldmarkus measurementofthetopquarkpairproductioncrosssectioninthemuonelectrondecaychannelatstevwiththecmsexperiment |