Suche nach Supersymmetrie mit Verletzung der R-Parität im 4-Leptonen-Kanal bei CDF:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | German |
| Veröffentlicht: |
1999
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| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | X, 115 S. graph. Darst. : 30 cm |
Internformat
MARC
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| 245 | 1 | 0 | |a Suche nach Supersymmetrie mit Verletzung der R-Parität im 4-Leptonen-Kanal bei CDF |c von Armin Köngeter |
| 264 | 1 | |c 1999 | |
| 300 | |a X, 115 S. |b graph. Darst. : 30 cm | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
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| 502 | |a Karlsruhe, Univ., Diss., 1999 | ||
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Datensatz im Suchindex
| _version_ | 1812461115310866432 |
|---|---|
| adam_text |
CONTENTS
0 ZUSAMMENFASSUNG I
1 INTRODUCTION 1
2 THE STANDARD MODEL OF PARTICLE PHYSICS 2
3 SUPERSYMMETRY 8
3.1 THE CONCEPT OF SUPERSYMMETRY. 8
3.1.1 THE HYDROGEN ATOM. 8
3.2 SUPERSYMMETRY IN PARTICLE PHYSICS . 12
3.3 MINIMAL SUPERGRAVITY. 16
3.4 RENORMALISATION. 18
3.5 SUSY PARTICLES AND THEIR MASSES.~. 22
3.5.1 THE MASSES OF THE CHARGINOS. 22
3.5.2 THE MASSES OF THE NEUTRALINOS . . 24
3.5.3 THE SFERMION MASSES. 25
3.5.4 THE MASS OF THE GLUINO . 26
3.6 INTRODUCTION TO R-PARITY VIOLATION. 26
3.7 MOTIVATION FOR R-PARITY VIOLATING SUSY. 27
3.8 THE DECAY OF LSPS. 30
4 SUPERSYMMETRY AT COLLIDERS 32
4.1 PARTICLE PHYSICS AT HADRON COLLIDERS . 32
4.2 SPARTICLE PRODUCTION. 35
4.2.1 GLUINO PAIR PRODUCTION. 35
4.2.2 SQUARK PRODUCTION. 36
4.2.3 SLEPTON PRODUCTION. 36
4.2.4 CHARGINO-NEUTRALINO PRODUCTION . . 37
4.3 SPARTICLE DECAYS WITHOUT R-PARITY VIOLATION. 38
4.3.1 SQUARK AND GLUINO DECAYS. 39
4.3.2 DECAYS OF CHARGINOS, NEUTRALINOS AND SLEPTONS. 40
5 THE TEVATRON AND CDF 42
5.1 THE TEVATRON. 42
5.2 THE CDF DETECTOR. 43
5.2.1 THE TRACKING SYSTEM. 44
5.2.2 CALORIMETERS. 46
5.2.3 THE MUON CHAMBERS. 47
5.2.4 THE BEAM BEAM COUNTERS. 49
5.2.5 THE TRIGGER SYSTEM. 49
BIBLIOGRAFISCHE INFORMATIONEN
HTTP://D-NB.INFO/958301093
6 MONTE CARLO SIMULATIONS 52
6.1 SIMULATING THE SIGNAL PROCESS. 52
6.2 SIMULATING BACKGROUND PROCESSES. 54
6.3 DETECTOR SIMULATION. 54
7 LSP DECAYS INTO LEPTONS 55
7.1 KINEMATICS OF THE SIGNAL EVENTS. 55
7.2 IDENTIFYING LEPTONS IN THE SIGNAL. 55
7.2.1 THE ORIGIN OF LEPTONS IN THE SIGNAL SCENARIOS. 56
7.2.2 THE LEPTONIC BRANCHING RATIO IN CASCADE DECAYS. 58
7.3 THE INFLUENCE OF THE CASCADE DECAYS ON THE SIGNAL STRENGTH. 63
7.4 SIGNAL CROSS SECTIONS AND EFFICIENCIES. 64
8 DATA SAMPLE AND EVENT SELECTION 67
9 STANDARD MODEL BACKGROUND
9.1 REAL LEPTON BACKGROUND . . .
9.2 FAKE LEPTON BACKGROUND . . .
9.2.1 EVENT BASED FAKE RATE
9.2.2 TRACK BASED FAKE RATE
73
77
I
NJPJT
80
10 EXPERIMENTAL RESULTS 91
10.1 THE THREE LEPTON EVENTS. 91
10.1.1 VERIFICATION OF THE BACKGROUND CALCULATION. 91
10.1.2 COMPARISON WITH THE CDF TRILEPTON ANALYSIS. 94
10.2 THE FOUR LEPTON CANDIDATE EVENT . 95
11 SYSTEMATIC AND THEORETICAL UNCERTAINTIES 99
11.1 THEORETICAL UNCERTAINTIES. 99
11.2 SYSTEMATIC UNCERTAINTIES. 99
12 LIMIT ON R-PARITY VIOLATING SUSY 102
12.1 CROSS SECTION LIMIT. 102
12.2 LIMIT IN THE MI/2-MO PLANE. 103
12.3 COMPARISON WITH OTHER SUSY SEARCHES AT CDF . 103
A THE PARAMETERS OF THE RGES 109
A.L GAUGE COUPLINGS. 109
A.2 YUKAWA COUPLINGS . 109
BIBLIOGRAPHY 111
ACKNOWLEDGEMENTS 115 |
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| author_facet | Köngeter, Armin |
| author_role | aut |
| author_sort | Köngeter, Armin |
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| classification_tum | PHY 420d PHY 418d |
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| discipline | Physik |
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| genre_facet | Hochschulschrift |
| id | DE-604.BV013089148 |
| illustrated | Illustrated |
| indexdate | 2024-10-09T18:13:32Z |
| institution | BVB |
| language | German |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-008915849 |
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| physical | X, 115 S. graph. Darst. : 30 cm |
| publishDate | 1999 |
| publishDateSearch | 1999 |
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| spelling | Köngeter, Armin Verfasser aut Suche nach Supersymmetrie mit Verletzung der R-Parität im 4-Leptonen-Kanal bei CDF von Armin Köngeter 1999 X, 115 S. graph. Darst. : 30 cm txt rdacontent n rdamedia nc rdacarrier Karlsruhe, Univ., Diss., 1999 Neutralino (DE-588)4376154-9 gnd rswk-swf Tevatron (DE-588)4577796-2 gnd rswk-swf Zerfall (DE-588)4067675-4 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Tevatron (DE-588)4577796-2 s Neutralino (DE-588)4376154-9 s Zerfall (DE-588)4067675-4 s DE-604 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=008915849&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Köngeter, Armin Suche nach Supersymmetrie mit Verletzung der R-Parität im 4-Leptonen-Kanal bei CDF Neutralino (DE-588)4376154-9 gnd Tevatron (DE-588)4577796-2 gnd Zerfall (DE-588)4067675-4 gnd |
| subject_GND | (DE-588)4376154-9 (DE-588)4577796-2 (DE-588)4067675-4 (DE-588)4113937-9 |
| title | Suche nach Supersymmetrie mit Verletzung der R-Parität im 4-Leptonen-Kanal bei CDF |
| title_auth | Suche nach Supersymmetrie mit Verletzung der R-Parität im 4-Leptonen-Kanal bei CDF |
| title_exact_search | Suche nach Supersymmetrie mit Verletzung der R-Parität im 4-Leptonen-Kanal bei CDF |
| title_full | Suche nach Supersymmetrie mit Verletzung der R-Parität im 4-Leptonen-Kanal bei CDF von Armin Köngeter |
| title_fullStr | Suche nach Supersymmetrie mit Verletzung der R-Parität im 4-Leptonen-Kanal bei CDF von Armin Köngeter |
| title_full_unstemmed | Suche nach Supersymmetrie mit Verletzung der R-Parität im 4-Leptonen-Kanal bei CDF von Armin Köngeter |
| title_short | Suche nach Supersymmetrie mit Verletzung der R-Parität im 4-Leptonen-Kanal bei CDF |
| title_sort | suche nach supersymmetrie mit verletzung der r paritat im 4 leptonen kanal bei cdf |
| topic | Neutralino (DE-588)4376154-9 gnd Tevatron (DE-588)4577796-2 gnd Zerfall (DE-588)4067675-4 gnd |
| topic_facet | Neutralino Tevatron Zerfall Hochschulschrift |
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