Study on neutron induced background in the dark matter experiment CRESST:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
2003
|
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | München, Techn. Univ., Diss., 2003 |
| Beschreibung: | IX, 123 Bl. Ill., graph. Darst. |
Internformat
MARC
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| 100 | 1 | |a Wulandari, Hesti R. T. |d 1970- |e Verfasser |0 (DE-588)128530715 |4 aut | |
| 245 | 1 | 0 | |a Study on neutron induced background in the dark matter experiment CRESST |c Hesti R. T. Wulandari |
| 246 | 1 | |a Study on neutron-induced background in the dark matter experiment CRESST | |
| 264 | 1 | |c 2003 | |
| 300 | |a IX, 123 Bl. |b Ill., graph. Darst. | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 500 | |a München, Techn. Univ., Diss., 2003 | ||
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Datensatz im Suchindex
| _version_ | 1807772295259750400 |
|---|---|
| adam_text |
CONTENTS
OVERVIEW
III
ZUSAMMENFASSUNG
V
1.
DARK
MATTER
PROBLEMS
1
1.1
Q
AND
COSMOLOGY
.
1
1.2
DETERMINATIONS
OF
Q
M
AND
A:
OBSERVATIONAL
EVIDENCE
FOR
DARK
MATTER
AND
DARK
ENERGY
IN
THE
UNIVERSE
.
3
1.2.1
LUMINOSITY
DENSITY
X
M/L
.
4
1.2.1.1
MASS
DENSITY
IN
THE
SOLAR
NEIGHBORHOOD
.
4
1.2.1.2
ROTATION
CURVES
AND
DARK
MATTER
IN
GALAXIES
4
1.2.1.3
DARK
MATTER
IN
CLUSTERS
OF
GALAXIES
.
4
1.2.2
BARYONIC
FRACTIONS
IN
GALAXY
CLUSTERS
.
5
1.2.3
LARGE
SCALE
VELOCITY
FLOWS
.
6
1.2.4
POWER
SPECTRUM
OF
MASS
INHOMOGENEITY
.
6
1.2.5
COSMIC
MICROWAVE
BACKGROUND
(CMB)
ANISOTROPY
.
.
7
1.2.6
TYPE
LA
SUPERNOVA
HUBBLE
DIAGRAM
.
7
1.2.7
SUMMARY
OF
THE
EVIDENCE
FOR
DARK
MATTER
AND
DARK
ENERGY
.
8
1.3
DARK
MATTER
CANDIDATES
.
8
1.3.1
BARYONIC
CANDIDATES
.
8
1.3.2
NON-BARYONIC
CANDIDATES
.
9
1.3.2.1
HOT
DARK
MATTER
.
9
1.3.2.2
COLD
DARK
MATTER
.
10
1.4
WIMP
DETECTION
.
12
1.4.1
INDIRECT
DETECTION
.
12
1.4.2
DIRECT
DETECTION
.
12
1.4.2.1
ELASTIC
SCATTERING
CROSS
SECTION
.
13
1.4.2.2
EXPECTED
EVENT
RATE
AND
ENERGY
SPECTRUM
.
14
1.4.2.3
CURRENT
EXPERIMENTS
.
17
1.4.2.4
NEUTRON
BACKGROUND
.
20
VII
VIII
STUDY
ON
NEUTRON-INDUCED
BACKGROUND
IN
THE
DARK
MATTER
EXPERIMENT
CRESST
2.
THE
CRESST
EXPERIMENT
23
2.1
DETECTION
CONCEPT
.
23
2.2
CRESST
SETUP
AT
LNGS
.
26
2.3
RESULTS
OF
CRESST
PHASE
I
.
28
2.4
CRESST
PHASE
II
.
31
3.
BACKGROUND
INDUCED
BY
LOW
ENERGY
NEUTRONS
35
3.1
NEUTRON
FLUX
MEASUREMENTS
AT
LNGS
.
35
3.2
CALCULATION
AND
SIMULATION
OF
THE
LOW
ENERGY
NEUTRON
FLUX
FROM
FISSION
AND
(A,N)
REACTIONS
IN
THE
SURROUNDING
ROCK/CONCRETE
.
38
3.2.1
NEUTRON
PRODUCTION
BY
SPONTANEOUS
FISSION
.
38
3.2.2
NEUTRON
PRODUCTION
BY
(A,N)
REACTIONS
.
39
3.2.3
FLUX
OF
LOW
ENERGY
NEUTRONS
AT
LNGS
.
46
3.3
NEUTRON
BACKGROUND
IN
THE
CURRENT
SETUP
OF
CRESST:
THE
NEED
FOR
NEUTRON
SHIELDING
.
48
3.3.1
MCNP4B
AND
RECOIL
SPECTRUM
.
48
3.3.2
NEUTRON
BACKGROUND
EXPECTATION
IN
CRESST
I
AND
IN
CRESST
II
WITHOUT
NEUTRON
MODERATOR
.
49
3.4
NEUTRON
MODERATOR
.
51
3.4.1
EFFICIENCY
OF
SHIELDING
AND
ALTERNATIVES
.
51
3.4.2
SIMULATION
WITH
A
REALISTIC
SETUP
.
54
3.5
WATER
CONTENT
VARIATION
.
55
3.6
NEUTRONS
PRODUCED
BY
FISSION
IN
THE
LEAD
SHIELD
.
57
4.
MUON-INDUCED
NEUTRON
BACKGROUND
59
4.1
MUONS
AND
COSMIC
RAYS
.
59
4.2
INTERACTIONS
OF
MUONS
WITH
MATTER
.
61
4.2.1
IONIZATION
.
61
4.2.2
BREMSSTRAHLUNG
.
62
4.2.3
DIRECT
E
+
-E
_
PAIR
PRODUCTION
.
63
4.2.4
PHOTONUCLEAR
INTERACTIONS
(DEEP
INELASTIC
SCATTERING
WITH
NUCLEI)
.
64
4.3
MUONS
UNDERGROUND
.
65
4.3.1
VERTICAL
MUON
INTENSITY
.
66
4.3.2
LOCAL
MUON
ENERGY
AND
INTENSITY
AT
LNGS
.
68
4.4
MUON-INDUCED
NEUTRONS
UNDERGROUND
.
69
4.5
HIGH
ENERGY
NEUTRONS
INDUCED
BY
MUONS
IN
THE
LNGS
ROCK
(DEMETYEV
'
S
SPECTRUM)
.
71
4.5.1
SPECTRUM
OF
NEUTRONS
ENTERING
THE
EXPERIMENTAL
HALL
71
4.5.2
COUNT
RATES
OBTAINED
WITH
THE
DEMENTYEV
'
S
SPECTRUM
73
4.6
FULL
SIMULATIONS
OF
MUON-INDUCED
NEUTRONS
FOR
CRESST
.
.
78
4.6.1
MONTE
CARLO
CODES
USED
FOR
THE
SIMULATIONS
.
78
CONTENTS
IX
4.6.2
MUON
FLUX
AND
ENERGY
SPECTRUM
.
79
4.6.3
SIMULATIONS
OF
MUON-INDUCED
NEUTRONS
.
80
4.6.4
ENERGY
SPECTRUM
OF
NEUTRONS
ENTERING
THE
LNGS
HALL
84
4.6.5
EFFECT
OF
SHIELDING
MATERIALS
.
88
4.6.6
RECOIL
SPECTRUM
AND
COUNT
RATE
.
89
4.6.6.1
RECOIL
SPECTRUM
AND
COUNT
RATE
INDUCED
BY
HIGH
ENERGY
NEUTRONS
FROM
THE
ROCK
.
90
4.6.6.2
RECOIL
SPECTRUM
AND
COUNT
RATE
INDUCED
BY
NEUTRONS
PRODUCED
BY
MUONS
IN
THE
EXPERI
MENTAL
SETUP
.
91
5.
THE
LONG
TERM
PERSPECTIVE
FOR
CRESST
AND
FUTURE
EXPERIMENTS
93
5.1
LONG
TERM
PERSPECTIVE
FOR
CRESST
.
93
5.2
UPGRADING
OF
CURRENT
EXPERIMENTS
.
95
5.3
FUTURE
DIRECT
DETECTION
PROJECTS
.
95
6.
SUMMARY
AND
OUTLOOK
99
LIST
OF
FIGURES
105
LIST
OF
TABLES
109
BIBLIOGRAPHY
111
ACKNOWLEDGMENTS
121 |
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| author_facet | Wulandari, Hesti R. T. 1970- |
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| author_sort | Wulandari, Hesti R. T. 1970- |
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| bvnumber | BV017663359 |
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| ctrlnum | (OCoLC)76594264 (DE-599)BVBBV017663359 |
| discipline | Physik |
| format | Book |
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| genre | (DE-588)4113937-9 Hochschulschrift gnd-content |
| genre_facet | Hochschulschrift |
| id | DE-604.BV017663359 |
| illustrated | Illustrated |
| indexdate | 2024-08-19T00:06:46Z |
| institution | BVB |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-010624121 |
| oclc_num | 76594264 |
| open_access_boolean | |
| owner | DE-91 DE-BY-TUM DE-12 |
| owner_facet | DE-91 DE-BY-TUM DE-12 |
| physical | IX, 123 Bl. Ill., graph. Darst. |
| publishDate | 2003 |
| publishDateSearch | 2003 |
| publishDateSort | 2003 |
| record_format | marc |
| spelling | Wulandari, Hesti R. T. 1970- Verfasser (DE-588)128530715 aut Study on neutron induced background in the dark matter experiment CRESST Hesti R. T. Wulandari Study on neutron-induced background in the dark matter experiment CRESST 2003 IX, 123 Bl. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier München, Techn. Univ., Diss., 2003 Myoneninduzierte Kernreaktion (DE-588)4377866-5 gnd rswk-swf Dunkle Materie (DE-588)4230260-2 gnd rswk-swf CRESST Teilchendetektor (DE-588)4838359-4 gnd rswk-swf Neutronenstrahlung (DE-588)4221352-6 gnd rswk-swf Computersimulation (DE-588)4148259-1 gnd rswk-swf Hintergrundstrahlung (DE-588)4349192-3 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content CRESST Teilchendetektor (DE-588)4838359-4 s Hintergrundstrahlung (DE-588)4349192-3 s Neutronenstrahlung (DE-588)4221352-6 s Computersimulation (DE-588)4148259-1 s DE-604 Dunkle Materie (DE-588)4230260-2 s Myoneninduzierte Kernreaktion (DE-588)4377866-5 s 1\p DE-604 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=010624121&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis 1\p cgwrk 20201028 DE-101 https://d-nb.info/provenance/plan#cgwrk |
| spellingShingle | Wulandari, Hesti R. T. 1970- Study on neutron induced background in the dark matter experiment CRESST Myoneninduzierte Kernreaktion (DE-588)4377866-5 gnd Dunkle Materie (DE-588)4230260-2 gnd CRESST Teilchendetektor (DE-588)4838359-4 gnd Neutronenstrahlung (DE-588)4221352-6 gnd Computersimulation (DE-588)4148259-1 gnd Hintergrundstrahlung (DE-588)4349192-3 gnd |
| subject_GND | (DE-588)4377866-5 (DE-588)4230260-2 (DE-588)4838359-4 (DE-588)4221352-6 (DE-588)4148259-1 (DE-588)4349192-3 (DE-588)4113937-9 |
| title | Study on neutron induced background in the dark matter experiment CRESST |
| title_alt | Study on neutron-induced background in the dark matter experiment CRESST |
| title_auth | Study on neutron induced background in the dark matter experiment CRESST |
| title_exact_search | Study on neutron induced background in the dark matter experiment CRESST |
| title_full | Study on neutron induced background in the dark matter experiment CRESST Hesti R. T. Wulandari |
| title_fullStr | Study on neutron induced background in the dark matter experiment CRESST Hesti R. T. Wulandari |
| title_full_unstemmed | Study on neutron induced background in the dark matter experiment CRESST Hesti R. T. Wulandari |
| title_short | Study on neutron induced background in the dark matter experiment CRESST |
| title_sort | study on neutron induced background in the dark matter experiment cresst |
| topic | Myoneninduzierte Kernreaktion (DE-588)4377866-5 gnd Dunkle Materie (DE-588)4230260-2 gnd CRESST Teilchendetektor (DE-588)4838359-4 gnd Neutronenstrahlung (DE-588)4221352-6 gnd Computersimulation (DE-588)4148259-1 gnd Hintergrundstrahlung (DE-588)4349192-3 gnd |
| topic_facet | Myoneninduzierte Kernreaktion Dunkle Materie CRESST Teilchendetektor Neutronenstrahlung Computersimulation Hintergrundstrahlung Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=010624121&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| work_keys_str_mv | AT wulandarihestirt studyonneutroninducedbackgroundinthedarkmatterexperimentcresst |