Study of ny my charged current interactions and search for ny my ny tau oscillations in the channel tau- my- ny my ny tau with the NOMAD detector at the CERN wideband neutrino beam:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | German |
| Veröffentlicht: |
1997
|
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | VIII, 192 S. graph. Darst. |
Internformat
MARC
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| 245 | 1 | 0 | |a Study of ny my charged current interactions and search for ny my ny tau oscillations in the channel tau- my- ny my ny tau with the NOMAD detector at the CERN wideband neutrino beam |c vorgelegt von Burkhard Schmidt |
| 264 | 1 | |c 1997 | |
| 300 | |a VIII, 192 S. |b graph. Darst. | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 502 | |a Dortmund, Univ., Diss. | ||
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Datensatz im Suchindex
| _version_ | 1812453186969010176 |
|---|---|
| adam_text |
CONTENTS
INTRODUCTION 1
1 REVIEW OF NEUTRINO PHYSICS 3
1.1 HISTORY. 3
1.2 THEORETICAL FRAMEWORK. 4
1.2.1 DESCRIPTION OF NEUTRINOS. 5
1.2.2 MODELS OF NEUTRINO MASS . . . -R-. 7
1.2.3 FORMALISM OF NEUTRINO OSCILLATIONS. 11
1.3 EXPERIMENTAL SITUATION. 16
1.3.1 DIRECT MASS MEASUREMENTS. 17
1.3.2 DOUBLE BETA DECAY. 19
1.3.3 NEUTRINO OSCILLATION EXPERIMENTS. 21
1.3.4 ATMOSPHERIC AND SOLAR NEUTRINOS. 27
1.3.5 IMPLICATIONS. 34
1.4 NEUTRINOS IN ASTROPHYSICS AND COSMOLOGY . 35
1.4.1 NEUTRINOS AS DARK MATTER CANDIDATES. 35
1.4.2 COSMOLOGICAL CONSTRAINTS ON THE NEUTRINO MASS . 37
2 THE NOMAD EXPERIMENT 39
2.1 SEARCH FOR
VM - VT OSCILLATION WITH NOMAD. 39
2.1.1 LEPTONIC R-DECAY CHANNELS . 40
2.1.2 HADRONIC R-DECAY CHANNELS. 42
2.1.3 COMBINED SENSITIVITY. 43
2.2 THE CERN NEUTRINO BEAM. 45
2.2.1 THE GEOMETRY OF THE WIDEBAND BEAMLINE. 45
2.2.2 THE NEUTRINO BEAM COMPOSITION. 46
2.3 THE NOMAD DETECTOR. 48
2.3.1 FRONT CALORIMETER. 50
2.3.2 VETO COUNTERS. 51
2.3.3 DRIFT CHAMBERS. 52
2.3.4 TRANSITION RADIATION DETECTOR. 54
2.3.5 PRESHOWER DETECTOR. 56
2.3.6 ELECTROMAGNETIC CALORIMETER. 56
2.3.7 HADRON CALORIMETER. 59
2.3.8 MUON CHAMBERS . 60
I
BIBLIOGRAFISCHE INFORMATIONEN
HTTP://D-NB.INFO/951154184
II
CONTENTS
2.3.9 THE DATA-AQUISITION-SYSTEM. 62
3 THE TRIGGER SYSTEM 65
3.1 THE TRIGGER HODOSCOPES. 65
3.1.1 THE SCINTILLATORS . 65
3.1.2 THE PHOTOMULTIPLIERS. 68
3.1.3 READOUT ELECTRONICS. 72
3.1.4 MONITORING AND SLOW CONTROL. 73
3.1.5 TRIGGER COUNTER EFFICIENCIES. 75
3.2 THE MOTRINO MODULE. 77
3.2.1 OVERVIEW .
77
3.2.2 LAYOUT. 78
3.2.3 FUNCTIONALITIES . 80
3.3 TRIGGER TYPES AND TRIGGER EFFICIENCIES. 83
3.3.1 MAIN NEUTRINO TRIGGER. 83
3.3.2 FCAL TRIGGERS. 85
3.3.3 ECAL TRIGGER. 87
3.3.4 CHORUS-NOMAD TRIGGER. 88
3.3.5 MUON TRIGGERS. 88
4 SIMULATION AND RECONSTRUCTION OF NEUTRINO EVENTS 91
4.1 MONTE CARLO PRODUCTION.
91
4.1.1 BEAM SIMULATION. 91
4.1.2 EVENT GENERATION. 92
4.1.3 DETECTOR SIMULATION . 93
4.2 THE NOMAD DATA.
93
4.3 EVENT RECONSTRUCTION. 95
4.3.1 SELECTION OF NEUTRINO INTERACTIONS. 95
4.3.2 TRACKING AND MOMENTUM MEASUREMENT. 96
4.3.3 VERTEX FINDING AND FITTING.
97
4.3.4 CLUSTERING AND ENERGY MEASUREMENT IN THE ECAL.101
4.4 PARTICLE IDENTIFICATION.105
4.4.1 ELECTRON IDENTIFICATION.105
4.4.2 MUON IDENTIFICATION.106
4.5 SELECTION OF ^-CHARGED-CURRENT EVENTS.107
4.5.1 EVENT STATISTICS.108
4.5.2 SELECTION EFFICIENCY AND BACKGROUND ESTIMATION.109
4.6 DATA AND MONTE CARLO COMPARISON.110
4.6.1 MULTIPLICITY DISTRIBUTIONS .
112
4.6.2 INCLUSIVE PARTICLE DISTRIBUTIONS AND RATIO.112
4.6.3 COMPARISON WITH ABSOLUTE BEAM PREDICTIONS.114
CONTENTS
III
5 KINEMATICAL PROPERTIES OF ^-CHARGED-CURRENT EVENTS 119
5.1 FORMALISM OF DEEP INELASTIC NEUTRINO-NUCLEON SCATTERING.119
5.2 RECONSTRUCTION OF THE NEUTRINO ENERGY.122
5.2.1 ENERGY RESOLUTION.123
5.2.2 COMPARISON BETWEEN DATA AND MONTE CARLO.123
5.2.3 COMPARISON WITH BEAM SIMULATIONS.126
5.3 THE KINEMATICAL VARIABLES. 129
5.3.1 RESOLUTION STUDIES.129
5.3.2 COMPARISON BETWEEN DATA AND MONTE CARLO.129
5.4 STUDY OF THE MISSING TRANSVERSE MOMENTUM.133
5.4.1 CLASSIFICATION OF THE DIFFERENT CONTRIBUTIONS TO P3
YY
TAA.134
5.4.2 THE PR-SIGNIFICANCE.136
5.4.3 COMPARISON BETWEEN DATA AND MONTE CARLO.139
5.4.4 IMPLICATIONS FOR THE R~ -4 NUTU^ SEARCH.142
5.5 EVENT TOPOLOGY IN THE TRANSVERSE PLANE.143
5.5.1 ANGULAR DISTRIBUTIONS FIMH AND ^ 143
5.5.2 PR-ASYMMETRY. 144
5.5.3 THE
PFP**' COMPONENT NORMAL TO PT(IU").144
6 SEARCH FOR 4
VT OSCILLATIONS IN THE CHANNEL R~ -4 FM VR 149
6.1 SELECTION CRITERIA FOR R" -4 EVENTS.149
6.1.1 EVENT QUALITY CUTS .149
6.1.2 KINEMATICAL EVENT SELECTION .153
6.1.3 EVENT SELECTION USING THE LIKELIHOOD RATIO METHOD.161
6.2 BACKGROUND TO THE R~ -4 N'URV^ SEARCH.162
6.2.1 I/^-CHARGED-CURRENT EVENT.162
6.2.2 Z/^-NEUTRAL-CURRENT EVENT.164
6.2.3 SEARCH FOR P+ CANDIDATES.164
6.3 CORRECTION FACTORS TO THE
T~
-4
P~
I YFW MONTE CARLO.167
6.3.1 THE R-MASS EFFECT.167
6.3.2 THE R-POLARIZATION EFFECT.169
6.4 DATA-SIMULATOR FOR THE R~ -4 PTVRV^ DECAY.170
6.4.1 RELIABILITY OF THE METHOD.171
6.4.2 T~ - PTVTV^ EFFICIENCY DETERMINATION.174
6.4.3 ESTIMATION OF SYSTEMATIC ERRORS ON THE R-EFFICIENCY.176
6.5 OSCILLATION LIMIT CALCULATION.177
SUMMARY AND CONCLUSIONS 179
REFERENCES 181
ACKNOWLEDGEMENTS 192 |
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| genre_facet | Hochschulschrift |
| id | DE-604.BV011606156 |
| illustrated | Illustrated |
| indexdate | 2024-10-09T16:07:32Z |
| institution | BVB |
| language | German |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-007818448 |
| oclc_num | 164828796 |
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| owner | DE-355 DE-BY-UBR DE-12 DE-83 DE-11 DE-188 |
| owner_facet | DE-355 DE-BY-UBR DE-12 DE-83 DE-11 DE-188 |
| physical | VIII, 192 S. graph. Darst. |
| publishDate | 1997 |
| publishDateSearch | 1997 |
| publishDateSort | 1997 |
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| spelling | Schmidt, Burkhard Verfasser aut Study of ny my charged current interactions and search for ny my ny tau oscillations in the channel tau- my- ny my ny tau with the NOMAD detector at the CERN wideband neutrino beam vorgelegt von Burkhard Schmidt 1997 VIII, 192 S. graph. Darst. txt rdacontent n rdamedia nc rdacarrier Dortmund, Univ., Diss. Neutrinooszillation (DE-588)4171620-6 gnd rswk-swf Tau-Neutrino (DE-588)4228008-4 gnd rswk-swf Myonneutrino (DE-588)4170956-1 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Myonneutrino (DE-588)4170956-1 s Tau-Neutrino (DE-588)4228008-4 s Neutrinooszillation (DE-588)4171620-6 s DE-604 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=007818448&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Schmidt, Burkhard Study of ny my charged current interactions and search for ny my ny tau oscillations in the channel tau- my- ny my ny tau with the NOMAD detector at the CERN wideband neutrino beam Neutrinooszillation (DE-588)4171620-6 gnd Tau-Neutrino (DE-588)4228008-4 gnd Myonneutrino (DE-588)4170956-1 gnd |
| subject_GND | (DE-588)4171620-6 (DE-588)4228008-4 (DE-588)4170956-1 (DE-588)4113937-9 |
| title | Study of ny my charged current interactions and search for ny my ny tau oscillations in the channel tau- my- ny my ny tau with the NOMAD detector at the CERN wideband neutrino beam |
| title_auth | Study of ny my charged current interactions and search for ny my ny tau oscillations in the channel tau- my- ny my ny tau with the NOMAD detector at the CERN wideband neutrino beam |
| title_exact_search | Study of ny my charged current interactions and search for ny my ny tau oscillations in the channel tau- my- ny my ny tau with the NOMAD detector at the CERN wideband neutrino beam |
| title_full | Study of ny my charged current interactions and search for ny my ny tau oscillations in the channel tau- my- ny my ny tau with the NOMAD detector at the CERN wideband neutrino beam vorgelegt von Burkhard Schmidt |
| title_fullStr | Study of ny my charged current interactions and search for ny my ny tau oscillations in the channel tau- my- ny my ny tau with the NOMAD detector at the CERN wideband neutrino beam vorgelegt von Burkhard Schmidt |
| title_full_unstemmed | Study of ny my charged current interactions and search for ny my ny tau oscillations in the channel tau- my- ny my ny tau with the NOMAD detector at the CERN wideband neutrino beam vorgelegt von Burkhard Schmidt |
| title_short | Study of ny my charged current interactions and search for ny my ny tau oscillations in the channel tau- my- ny my ny tau with the NOMAD detector at the CERN wideband neutrino beam |
| title_sort | study of ny my charged current interactions and search for ny my ny tau oscillations in the channel tau my ny my ny tau with the nomad detector at the cern wideband neutrino beam |
| topic | Neutrinooszillation (DE-588)4171620-6 gnd Tau-Neutrino (DE-588)4228008-4 gnd Myonneutrino (DE-588)4170956-1 gnd |
| topic_facet | Neutrinooszillation Tau-Neutrino Myonneutrino Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=007818448&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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