Calibration of the wire positions of the Atlas Muon Chambers and studies of Neutralino decays at LHC:
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| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
2002
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| Subjects: | |
| Online Access: | Inhaltsverzeichnis |
| Item Description: | München, Univ., Fak. für Physik, Diss., 2002 |
| Physical Description: | 110 S. Ill., graph. Darst. |
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| 245 | 1 | 0 | |a Calibration of the wire positions of the Atlas Muon Chambers and studies of Neutralino decays at LHC |c von Sofia Chouridou |
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CONTENTS
1 INTRODUCTION 1
2 THE ATLAS DETECTOR:
AN EXPERIMENT AT THE LHC 3
2.1 THE LARGE HADRON COLLIDER. 3
2.2 PARTICLE PRODUCTION RATES .7. 5
2.3 PHYSICS AT LHC AND DETECTOR REQUIREMENTS. 6
2.3.1 HIGGS PHYSICS. 6
2.3.2 SUPER-SYMMETRIC PARTICLES. 7
2.3.3 HEAVY QUARK PHYSICS. 8
2.3.4 OTHER SEARCHES. 8
2.4 DETECTORS FOR THE LHC . 9
2.5 THE ATLAS DETECTOR. 10
2.5.1 THE MAGNET SYSTEM . 11
2.5.2 THE INNER DETECTOR. 11
2.5.3 CALORIMETRY. 13
2.5.4 THE MUON SPECTROMETER. 14
2.5.5 THE ATLAS TRIGGER SCHEME. 14
3 THE ATLAS MUON SPECTROMETER 17
3.1 MUON SPECTROMETER LAYOUT. 18
3.2 BACKGROUND CONDITIONS. 20
3.3 MUON PRECISION DRIFT CHAMBERS. 22
3.3.1 DESCRIPTION AND OPERATION PRINCIPLE OF THE SINGLE DRIFT TUBE . 22
3.3.2 MONITORED DRIFT TUBE CHAMBERS (MDTS) . 24
3.4 MUON SPECTROMETER PERFORMANCE REQUIREMENTS. 25
3.4.1 MOMENTUM RESOLUTION. 25
3.4.2 RECONSTRUCTION EFFICIENCY. 26
3.5 ALIGNMENT. 27
4 QUALITY ASSURANCE OF THE
MDT CHAMBERS 29
4.1 QUALITY CONTROL FOR THE SINGLE DRIFT TUBES. 30
L
BIBLIOGRAFISCHE INFORMATIONEN
HTTP://D-NB.INFO/964815575
II
CONTENTS
4.2 QUALITY ASSURANCE OF THE MDT CHAMBERS. 33
5 CALIBRATION OF THE WIRE POSITIONS OF A BOS CHAMBER 37
5.1 SET-UP FOR THE AR/N
2/CH4 MEASUREMENTS. 37
5.1.1 ALIGNING THE DRIFT TIME SPECTRA. 39
5.1.2 THE LEAST-SQUARES TRACK RECONSTRUCTION TECHNIQUE. 40
5.1.3 DESCRIPTION OF THE WIRE CALIBRATION METHOD . 42
5.1.4 RESULTS AND COMPARISON WITH THE X-RAY TOMOGRAPH. 45
5.2 SET-UP FOR THE AR/C0
2 MEASUREMENTS. 48
5.2.1 THE GAS CHOICE. 48
5.2.2 SPATIAL RESOLUTION OF THE CHAMBER. 50
5.2.3 RESULTS AND COMPARISON WITH THE X-RAY TOMOGRAPH. 51
5.3 SUMMARY. 54
6 SIMULATION STUDIES OF THE CALIBRATION METHOD 55
6.1 SIMULATION FOR INDIVIDUAL FLOWER PAIRS OF A CHAMBER. 55
6.1.1 SYSTEMATICS DUE TO TO. 59
6.1.2 STATISTICAL EFFECTS. 61
6.2 COMBINING INFORMATION FROM ALL FLOWER PAIRS. 62
6.2.1 STATISTICAL EFFECTS. 65
6.3 SUMMARY. 65
7 NEUTRALINO DECAYS IN ATLAS 67
7.1 MOTIVATION FOR EXTENDING THE STANDARD MODEL. 67
7.2 WHAT IS SUSY?. 69
7.3 MINIMAL SUPERSYMMETRIC STANDARD MODEL (MSSM). 71
7.3.1 SUSY BREAKING. 73
7.3.2 NEUTRALINOS AND CHARGINOS. 74
7.4 MINIMAL SUPERGRAVITY MODEL (MSUGRA). 75
7.4.1 MSUGRA PARAMETER SPACE POINTS AT LHC. 76
7.5 NEUTRALINO DECAY STUDIES IN MSUGRA .'. 80
7.5.1 MAIN CHARACTERISTICS OF THE FOURTH POINT. 80
7.5.2 DILEPTON INVARIANT MASS DISTRIBUTION. 82
7.5.3 MODIFYING THE PARAMETERS OF MSUGRA. 87
7.6 SUMMARY. 97
8 SUMMARY 99
BIBLIOGRAPHY 103 |
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| indexdate | 2024-10-09T18:04:24Z |
| institution | BVB |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-009840256 |
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| spelling | Chouridou, Sofia 1971- Verfasser (DE-588)123916836 aut Calibration of the wire positions of the Atlas Muon Chambers and studies of Neutralino decays at LHC von Sofia Chouridou 2002 110 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier München, Univ., Fak. für Physik, Diss., 2002 Neutralino (DE-588)4376154-9 gnd rswk-swf LHC (DE-588)4398783-7 gnd rswk-swf ATLAS Teilchendetektor (DE-588)4375595-1 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content ATLAS Teilchendetektor (DE-588)4375595-1 s LHC (DE-588)4398783-7 s Neutralino (DE-588)4376154-9 s DE-604 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=009840256&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Chouridou, Sofia 1971- Calibration of the wire positions of the Atlas Muon Chambers and studies of Neutralino decays at LHC Neutralino (DE-588)4376154-9 gnd LHC (DE-588)4398783-7 gnd ATLAS Teilchendetektor (DE-588)4375595-1 gnd |
| subject_GND | (DE-588)4376154-9 (DE-588)4398783-7 (DE-588)4375595-1 (DE-588)4113937-9 |
| title | Calibration of the wire positions of the Atlas Muon Chambers and studies of Neutralino decays at LHC |
| title_auth | Calibration of the wire positions of the Atlas Muon Chambers and studies of Neutralino decays at LHC |
| title_exact_search | Calibration of the wire positions of the Atlas Muon Chambers and studies of Neutralino decays at LHC |
| title_full | Calibration of the wire positions of the Atlas Muon Chambers and studies of Neutralino decays at LHC von Sofia Chouridou |
| title_fullStr | Calibration of the wire positions of the Atlas Muon Chambers and studies of Neutralino decays at LHC von Sofia Chouridou |
| title_full_unstemmed | Calibration of the wire positions of the Atlas Muon Chambers and studies of Neutralino decays at LHC von Sofia Chouridou |
| title_short | Calibration of the wire positions of the Atlas Muon Chambers and studies of Neutralino decays at LHC |
| title_sort | calibration of the wire positions of the atlas muon chambers and studies of neutralino decays at lhc |
| topic | Neutralino (DE-588)4376154-9 gnd LHC (DE-588)4398783-7 gnd ATLAS Teilchendetektor (DE-588)4375595-1 gnd |
| topic_facet | Neutralino LHC ATLAS Teilchendetektor Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=009840256&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| work_keys_str_mv | AT chouridousofia calibrationofthewirepositionsoftheatlasmuonchambersandstudiesofneutralinodecaysatlhc |