Systematic study of photoneutron reactions just above the neutron emission threshold:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
München
Verl. Dr. Hut
2008
|
| Ausgabe: | 1. Aufl. |
| Schriftenreihe: | Physik
|
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | IV, 123 S. Ill., graph. Darst. 21 cm |
| ISBN: | 9783899637625 |
Internformat
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| 245 | 1 | 0 | |a Systematic study of photoneutron reactions just above the neutron emission threshold |c von Jens Hasper |
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Datensatz im Suchindex
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| adam_text | CONTENTS 1 INTRODUCTION 1 2 PHYSICS BASICS 5 2.1
NUCLEOSYNTHESISOFELEMENTS 5 2.1.1 THE SOLAR ABUNDANCE DISTRIBUTION 5
2.1.2 STELLAR NUCLEOSYNTHESIS 6 2.1.3 THE S, R, AND P PROCESS 7 2.1.4
PHOTODISINTEGRATION IN THE NUCLEOSYNTHESIS OF HEAVY ELEMENTS 11 2.2
ASTROPHYSICAL IMPLICATION OF GROUND-STATE REACTION RATES 13 2.3
THEORETICAL BASICS OF REACTION-RATECALCULATIONS 19 2.3.1 THE STATISTICAL
MODEL 19 2.3.2 NUCLEAR PHYSICS INPUT 22 3 PHOTOACTIVATION EXPERIMENTS AT
THE S-DALINAC 25 3.1 EXPERIMENTAL TECHNIQUE 25 3.1.1 NORMALIZATION OF
ABSOLUTE CROSS-SECTION PREDICTIONS 29 3.1.2 DETERMINATION OF
GROUND-STATE REACTION RATES 29 3.2 DETERMINATION OF REACTION YIELDS 32
3.2.1 DETECTOR SETUPS 34 3.2.2 DETECTION EFFICIENCY 35 3.2.3 CORRECTION
FOR SELF-ABSORPTION AND TARGET DIMENSIONS 38 3.2.4 TREATMENT OF SUMMING
EFFECTS 39 3.3 DETERMINATION OF THE PHOTON FLUX 43 3.3.1
SPECTRALSHAPEOFBREMSSTRAHLUNG 43 3.3.2 ABSOLUTE NORMALIZATION OF THE
PHOTON FLUX 44 3.4 DETERMINATION OF THE BEAM ENERGY 50 I GESCANNT DURCH
BIBLIOGRAFISCHE INFORMATIONEN HTTP://D-NB.INFO/989216829 DIGITALISIERT
DURCH B.2 DETECTOR DIMENSIONS 112 II CONTENTS 3.4.1 OFFLINE METHOD USING
A DEFLECTING MAGNET 51 3.4.2 DIRECT MEASUREMENT OF BREMSSTRAHLUNG
SPECTRA 52 3.4.3 PHOTOACTIVATION VERY CLOSE TO THE NEUTRON THRESHOLD 54
3.4.4 CHARGE DISTRIBUTION IN A SEGMENTED RADIATOR 56 3.4.5 COMPARISON
AND SUMMARY OF VARIOUS TECHNIQUES 57 3.5 SYSTEMATIC AND STATISTICAL
UNCERTAINTIES 58 4 EXPERIMENTAL RESULTS 61 4.1 PHOTONEUTRON REACTIONSOF
RARE-EARTHISOTOPES 61 4.1.1 EXPERIMENT AND DATA ANALYSIS 61 4.1.2
RESULTS 64 4.2 PHOTONEUTRON REACTIONS NEAR THE NEUTRON-SHELL CLOSURE 69
4.2.1 EXPERIMENT AND DATA ANALYSIS 69 4.2.2 RESULTS 70 4.3 THE
PHOTONEUTRON REACTION OF 192 OS 72 4.3.1 EXPERIMENT AND DATA ANALYSIS 75
4.3.2 RESULTS 77 4.4 THE PHOTONEUTRON REACTIONS OF 191 . 193 IR 79 4.4.1
EXPERIMENT AND DATA ANALYSIS 79 4.4.2 RESULTS 82 4.5 OVERVIEW 85 5
DISCUSSION 89 5.1 SENSITIVITY OF STATISTICAL MODEL CALCULATIONS TO
NUCLEAR PHYSICS INPUT 89 5.2 GLOBAL PREDICTIVE POWER OF STATISTICAL
MODEL CODES 95 6 SUMMARY AND OUTLOOK 99 A PARAMETRIZATION OF
BREMSSTRAHLUNG SPECTRA 109 B INPUT FOR DETECTION-EFFICIENCY CALIBRATIONS
111 B.L CALIBRATION SOURCES 111 C.2 CORRECTION FACTORS FOR SUMMING
EFFECTS 113 C CORRECTION FACTORS FOR THE DETERMINATION OF TARGET
ACTIVITY 113 C.L CORRECTIONS FOR SELF-ABSORPTION AND TARGET DIMENSIONS
113
|
| adam_txt |
CONTENTS 1 INTRODUCTION 1 2 PHYSICS BASICS 5 2.1
NUCLEOSYNTHESISOFELEMENTS 5 2.1.1 THE SOLAR ABUNDANCE DISTRIBUTION 5
2.1.2 STELLAR NUCLEOSYNTHESIS 6 2.1.3 THE S, R, AND P PROCESS 7 2.1.4
PHOTODISINTEGRATION IN THE NUCLEOSYNTHESIS OF HEAVY ELEMENTS 11 2.2
ASTROPHYSICAL IMPLICATION OF GROUND-STATE REACTION RATES 13 2.3
THEORETICAL BASICS OF REACTION-RATECALCULATIONS 19 2.3.1 THE STATISTICAL
MODEL 19 2.3.2 NUCLEAR PHYSICS INPUT 22 3 PHOTOACTIVATION EXPERIMENTS AT
THE S-DALINAC 25 3.1 EXPERIMENTAL TECHNIQUE 25 3.1.1 NORMALIZATION OF
ABSOLUTE CROSS-SECTION PREDICTIONS 29 3.1.2 DETERMINATION OF
GROUND-STATE REACTION RATES 29 3.2 DETERMINATION OF REACTION YIELDS 32
3.2.1 DETECTOR SETUPS 34 3.2.2 DETECTION EFFICIENCY 35 3.2.3 CORRECTION
FOR SELF-ABSORPTION AND TARGET DIMENSIONS 38 3.2.4 TREATMENT OF SUMMING
EFFECTS 39 3.3 DETERMINATION OF THE PHOTON FLUX 43 3.3.1
SPECTRALSHAPEOFBREMSSTRAHLUNG 43 3.3.2 ABSOLUTE NORMALIZATION OF THE
PHOTON FLUX 44 3.4 DETERMINATION OF THE BEAM ENERGY 50 I GESCANNT DURCH
BIBLIOGRAFISCHE INFORMATIONEN HTTP://D-NB.INFO/989216829 DIGITALISIERT
DURCH B.2 DETECTOR DIMENSIONS 112 II CONTENTS 3.4.1 OFFLINE METHOD USING
A DEFLECTING MAGNET 51 3.4.2 DIRECT MEASUREMENT OF BREMSSTRAHLUNG
SPECTRA 52 3.4.3 PHOTOACTIVATION VERY CLOSE TO THE NEUTRON THRESHOLD 54
3.4.4 CHARGE DISTRIBUTION IN A SEGMENTED RADIATOR 56 3.4.5 COMPARISON
AND SUMMARY OF VARIOUS TECHNIQUES 57 3.5 SYSTEMATIC AND STATISTICAL
UNCERTAINTIES 58 4 EXPERIMENTAL RESULTS 61 4.1 PHOTONEUTRON REACTIONSOF
RARE-EARTHISOTOPES 61 4.1.1 EXPERIMENT AND DATA ANALYSIS 61 4.1.2
RESULTS 64 4.2 PHOTONEUTRON REACTIONS NEAR THE NEUTRON-SHELL CLOSURE 69
4.2.1 EXPERIMENT AND DATA ANALYSIS 69 4.2.2 RESULTS 70 4.3 THE
PHOTONEUTRON REACTION OF 192 OS 72 4.3.1 EXPERIMENT AND DATA ANALYSIS 75
4.3.2 RESULTS 77 4.4 THE PHOTONEUTRON REACTIONS OF 191 . 193 IR 79 4.4.1
EXPERIMENT AND DATA ANALYSIS 79 4.4.2 RESULTS 82 4.5 OVERVIEW 85 5
DISCUSSION 89 5.1 SENSITIVITY OF STATISTICAL MODEL CALCULATIONS TO
NUCLEAR PHYSICS INPUT 89 5.2 GLOBAL PREDICTIVE POWER OF STATISTICAL
MODEL CODES 95 6 SUMMARY AND OUTLOOK 99 A PARAMETRIZATION OF
BREMSSTRAHLUNG SPECTRA 109 B INPUT FOR DETECTION-EFFICIENCY CALIBRATIONS
111 B.L CALIBRATION SOURCES 111 C.2 CORRECTION FACTORS FOR SUMMING
EFFECTS 113 C CORRECTION FACTORS FOR THE DETERMINATION OF TARGET
ACTIVITY 113 C.L CORRECTIONS FOR SELF-ABSORPTION AND TARGET DIMENSIONS
113 |
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| author | Hasper, Jens 1981- |
| author_GND | (DE-588)135723582 |
| author_facet | Hasper, Jens 1981- |
| author_role | aut |
| author_sort | Hasper, Jens 1981- |
| author_variant | j h jh |
| building | Verbundindex |
| bvnumber | BV023391081 |
| ctrlnum | (OCoLC)239510938 (DE-599)DNB989216829 |
| dewey-full | 539.7213 |
| dewey-hundreds | 500 - Natural sciences and mathematics |
| dewey-ones | 539 - Modern physics |
| dewey-raw | 539.7213 |
| dewey-search | 539.7213 |
| dewey-sort | 3539.7213 |
| dewey-tens | 530 - Physics |
| discipline | Physik |
| discipline_str_mv | Physik |
| edition | 1. Aufl. |
| format | Thesis Book |
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| indexdate | 2024-07-09T21:17:32Z |
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| isbn | 9783899637625 |
| language | English |
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| physical | IV, 123 S. Ill., graph. Darst. 21 cm |
| publishDate | 2008 |
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| spelling | Hasper, Jens 1981- Verfasser (DE-588)135723582 aut Systematic study of photoneutron reactions just above the neutron emission threshold von Jens Hasper 1. Aufl. München Verl. Dr. Hut 2008 IV, 123 S. Ill., graph. Darst. 21 cm txt rdacontent n rdamedia nc rdacarrier Physik Zugl.: Darmstadt, Techn. Univ., Diss., 2008 Neutronenstreuung (DE-588)4041980-0 gnd rswk-swf Photoneninduzierter Prozess (DE-588)4605453-4 gnd rswk-swf Neutronenemission (DE-588)4171638-3 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Neutronenstreuung (DE-588)4041980-0 s Photoneninduzierter Prozess (DE-588)4605453-4 s Neutronenemission (DE-588)4171638-3 s DE-604 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=016574023&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Hasper, Jens 1981- Systematic study of photoneutron reactions just above the neutron emission threshold Neutronenstreuung (DE-588)4041980-0 gnd Photoneninduzierter Prozess (DE-588)4605453-4 gnd Neutronenemission (DE-588)4171638-3 gnd |
| subject_GND | (DE-588)4041980-0 (DE-588)4605453-4 (DE-588)4171638-3 (DE-588)4113937-9 |
| title | Systematic study of photoneutron reactions just above the neutron emission threshold |
| title_auth | Systematic study of photoneutron reactions just above the neutron emission threshold |
| title_exact_search | Systematic study of photoneutron reactions just above the neutron emission threshold |
| title_exact_search_txtP | Systematic study of photoneutron reactions just above the neutron emission threshold |
| title_full | Systematic study of photoneutron reactions just above the neutron emission threshold von Jens Hasper |
| title_fullStr | Systematic study of photoneutron reactions just above the neutron emission threshold von Jens Hasper |
| title_full_unstemmed | Systematic study of photoneutron reactions just above the neutron emission threshold von Jens Hasper |
| title_short | Systematic study of photoneutron reactions just above the neutron emission threshold |
| title_sort | systematic study of photoneutron reactions just above the neutron emission threshold |
| topic | Neutronenstreuung (DE-588)4041980-0 gnd Photoneninduzierter Prozess (DE-588)4605453-4 gnd Neutronenemission (DE-588)4171638-3 gnd |
| topic_facet | Neutronenstreuung Photoneninduzierter Prozess Neutronenemission Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=016574023&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| work_keys_str_mv | AT hasperjens systematicstudyofphotoneutronreactionsjustabovetheneutronemissionthreshold |