Higher-order predictions for supersymmetric particle decays:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
2012
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| Schlagworte: | |
| Online-Zugang: | kostenfrei https://nbn-resolving.org/urn:nbn:de:bvb:91-diss-20120620-1098760-1-2 Inhaltsverzeichnis |
| Beschreibung: | IX, 178 S. graph. Darst. |
Internformat
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Datensatz im Suchindex
| _version_ | 1804149353947856896 |
|---|---|
| adam_text | IMAGE 1
CONTENTS
1 INTRODUCTION 1
2 THEORETICAL FRAMEWORK 5
2.1 THE STANDARD MODEL OF PARTICLE PHYSICS 5
2.1.1 SHORTCOMINGS 9
2.2 SUPERSYMMETRY AND THE MSSM 10
2.2.1 MOTIVATION 10
2.2.2 FROM SUSY TO THE MSSM 11
2.2.3 THE PARTICLE SPECTRUM OF THE MSSM 16
3 D E C A Y W I D T H S A N D BRANCHING RATIOS 2 3
3.1 TREE-LEVEL 23
3.2 NEXT-TO-LEADING ORDER 24
4 M E T H O D S IN PERTURBATION T H E O R Y 2 7
4.1 ULTRAVIOLET SINGULARITIES 27
4.1.1 REGULARIZATION SCHEMES 28
4.1.2 RCNORINALIZATION - 28
4.1.3 RENORMALIZATION OF THE MSSM 31
4.1.4 RESUMMATION IN THE B / B SECTOR 53
4.2 INFRARED SINGULARITIES 53
4.2.1 SOFT BREMSSTRAHLUNG 54
4.2.2 COLLINCAR BREMSSTRAHLUNG 55
4.3 DEPENDENT MASSES IN HIGHER ORDER CALCULATIONS 56
4.4 COMPUTATION METHODS 56
5 SQUARK DECAYS: INTRODUCTION 5 9
5.1 SQUARKS A T THE LHC 59
5.2 SQUARK DECAYS: PHENOMENOLOGICAL OVERVIEW 60
5.3 SQUARK DECAYS: CALCULATIONS 62
6 SQUARK DECAYS: PROCESS-SPECIFIC CALCULATIONS 6 5
6.1 Q A - Q X F AND Q A Q X ? * - 65
HTTP://D-NB.INFO/1027671381
IMAGE 2
VIII CONTENTS
6.1.1 COUNTERTERM LAGRANGIAN 65
6.1.2 FEYNMAN DIAGRAMS 67
6.1.3 PARTIAL DECAY WIDTHS AND BRANCHING RATIOS 67
6.2 Q A - QG 69
6.2.1 COUNTERTERM LAGRANGIAN 69
6.2.2 FEYNMAN DIAGRAMS 70
6.2.3 PARTIAL DCCAY WIDTH AND BRANCHING RATIOS 71
6.2.4 COLOR FACTORS 72
6.3 Q A - AND QA - GJW* 73
6.3.1 FEYNMAN DIAGRAMS 73
6.3.2 PARTIAL DECAY WIDTH AND BRANCHING RATIOS 74
6.3.3 DEPENDENT MASSES IN SQNARK-SQUARK-GOLDSTONC VERTICES 76
6.4 Q A - % H 0 , H , A 0 A N D J - (FAFF1*1 77
6.4.1 COUNTERTERM LAGRANGIAN 77
6.4.2 FEYNMAN DIAGRAMS 80
6.4.3 PARTIAL DECAY WIDTHS AND BRANCHING RATIOS 81
6.4.4 (HP, H ) 82
6.4.5 REAL RADIATION 83
6.4.6 Q ^ Q U A 0 , ^ ) 84
7 SQUARK DECAYS: NUMERICAL EVALUATION 8 7
7.1 INPUT PARAMETERS 87
7.1.1 SOFT AND COLLINCAR CUTS 92
7.2 NUMERICAL EVALUATION 93
7.2.1 DEPENDENT MASSES 97
7.3 PARAMETER DEPENDENCES 99
7.3.1 SCALE DEPENDENCE 99
7.3.2 DEPENDENCE ON TAN /? 99
7.3.3 DEPENDENCE ON IRIA 102
7.3.4 DEPENDENCE ON A T AND A/, 104
7.3.5 PARAMETER SCAN OVER M SUSY AND MS 105
7.4 QUARK JET P R DISTRIBUTION 112
7.5 COMPARISON WITH SFOLD 115
8 GLUINO DECAYS 1 1 9
8.1 OVERVIEW 119
8.2 DECAY WIDTH 119
8.3 NUMERICAL EVALUATION 121
8.4 DEPENDENCE ON THE SQUARK MASSES 123
IMAGE 3
CONTENTS IX
9 H I G G S - B O S O N DECAYS INTO SFERMIONS, NEUTRALINOS A N D
CHARGINOS 1 2 7
9.1 OVERVIEW 127
9.2 AMPLITUDES 128
9.2.1 # - $ 128
9.2.2 H - K I] 128
9.2.3 # - X X 130
9.3 DECAY WIDTHS 136
9.3.1 H / H - A B 136
9.3.2 A / H - T A B 137
9.4 NUMERICAL EVALUATION 137
9.4.1 H - + X X 140
9.4.2 H P ^ X T X L 141
9.4.3 143
9.4.4 143
9.5 COMPARISION WITH HFOLD -145
10 CONCLUSIONS 1 4 7
A B R E M S S T R A H L U N G INTEGRALS 1 5 1
B RENORMALIZATION C O N S T A N T S 1 5 3
B.L R A FXI 153
B.2 ? A RBV 154
B.3 ? AI?BS 154
B-4 S X I X J 156
C F E Y N M A N RULES 1 5 7
C.L Q S I F X K 157
C.2 & 158
C.3 Q SQ*V 159
C.4 C[ S Q L S 159
C 5 SXNXI 160
D I N P U T PARAMETERS 1 6 3
A C K N O W L E D G M E N T S 1 7 9
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| spelling | Landwehr, Ananda Demian Patrick Verfasser (DE-588)1027671292 aut Higher-order predictions for supersymmetric particle decays Ananda Demian Patrick Landwehr 2012 IX, 178 S. graph. Darst. txt rdacontent n rdamedia nc rdacarrier München, Techn. Univ., Diss., 2012 Supersymmetrie (DE-588)4128574-8 gnd rswk-swf Erweiterung (DE-588)4128080-5 gnd rswk-swf Supersymmetrisches Teilchen (DE-588)4300239-0 gnd rswk-swf Standardmodell Elementarteilchenphysik (DE-588)4297710-1 gnd rswk-swf Zerfall (DE-588)4067675-4 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Supersymmetrisches Teilchen (DE-588)4300239-0 s Zerfall (DE-588)4067675-4 s Standardmodell Elementarteilchenphysik (DE-588)4297710-1 s Erweiterung (DE-588)4128080-5 s Supersymmetrie (DE-588)4128574-8 s DE-604 Erscheint auch als Online-Ausgabe urn:nbn:de:bvb:91-diss-20120620-1098760-1-2 http://mediatum.ub.tum.de/node?id=1098760 Verlag kostenfrei Volltext https://nbn-resolving.org/urn:nbn:de:bvb:91-diss-20120620-1098760-1-2 Resolving-System DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=025179381&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Landwehr, Ananda Demian Patrick Higher-order predictions for supersymmetric particle decays Supersymmetrie (DE-588)4128574-8 gnd Erweiterung (DE-588)4128080-5 gnd Supersymmetrisches Teilchen (DE-588)4300239-0 gnd Standardmodell Elementarteilchenphysik (DE-588)4297710-1 gnd Zerfall (DE-588)4067675-4 gnd |
| subject_GND | (DE-588)4128574-8 (DE-588)4128080-5 (DE-588)4300239-0 (DE-588)4297710-1 (DE-588)4067675-4 (DE-588)4113937-9 |
| title | Higher-order predictions for supersymmetric particle decays |
| title_auth | Higher-order predictions for supersymmetric particle decays |
| title_exact_search | Higher-order predictions for supersymmetric particle decays |
| title_full | Higher-order predictions for supersymmetric particle decays Ananda Demian Patrick Landwehr |
| title_fullStr | Higher-order predictions for supersymmetric particle decays Ananda Demian Patrick Landwehr |
| title_full_unstemmed | Higher-order predictions for supersymmetric particle decays Ananda Demian Patrick Landwehr |
| title_short | Higher-order predictions for supersymmetric particle decays |
| title_sort | higher order predictions for supersymmetric particle decays |
| topic | Supersymmetrie (DE-588)4128574-8 gnd Erweiterung (DE-588)4128080-5 gnd Supersymmetrisches Teilchen (DE-588)4300239-0 gnd Standardmodell Elementarteilchenphysik (DE-588)4297710-1 gnd Zerfall (DE-588)4067675-4 gnd |
| topic_facet | Supersymmetrie Erweiterung Supersymmetrisches Teilchen Standardmodell Elementarteilchenphysik Zerfall Hochschulschrift |
| url | http://mediatum.ub.tum.de/node?id=1098760 https://nbn-resolving.org/urn:nbn:de:bvb:91-diss-20120620-1098760-1-2 http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=025179381&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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