Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
MCNPX Simulations for Neutron Cross Section Measurements
KTH, School of Engineering Sciences (SCI), Physics, Reactor Physics.
2010 (English)Licentiate thesis, comprehensive summary (Other academic)
Abstract [en]

This thesis presents MCNPX simulations of the SCANDAL set-up used at the Theodor Svedberg Laboratory for neutron scattering cross-section measurements. The thesis describes processes and data important for the upcoming off-line data analysis. In the experiment, neutrons scattered off the target are converted to protons which are stopped in scintillator crystals. The results of presented simulations include a description of the proton spectra in dependence of the neutron-to-proton conversion angle, calculation of the hit position gates and a study of the converter describing the role of its chemical composition and also the role of other plastic scintillator on the proton spectra.

Place, publisher, year, edition, pages
Stockholm: KTH , 2010. , ix, 28 p.
Series
Trita-FYS, ISSN 0280-316X
Keyword [en]
MCNPX, neutron, cross section
Identifiers
URN: urn:nbn:se:kth:diva-12929ISBN: 978-91-7415-643-0 (print)OAI: oai:DiVA.org:kth-12929DiVA: diva2:319691
Presentation
2010-05-25, FA32, AlbaNova, Stockholm, Stockholm, 12:38 (English)
Opponent
Supervisors
Note
QC 20100520Available from: 2010-05-20 Created: 2010-05-19 Last updated: 2012-02-23Bibliographically approved
List of papers
1. MCNPX simulations of the SCANDAL setup for measurement of neutron scattering cross section at 175MeV
Open this publication in new window or tab >>MCNPX simulations of the SCANDAL setup for measurement of neutron scattering cross section at 175MeV
Show others...
2010 (English)In: Physica Scripta, ISSN 0031-8949, E-ISSN 1402-4896, Vol. 81, no 6, 065202- p.Article in journal (Refereed) Published
Abstract [en]

The Scattered Nucleon Detection Assembly (SCANDAL) setup at The Svedberg Laboratory has been used to produce neutron elastic scattering cross section data at 175MeV for bismuth and iron. This work presents MCNPX simulations of the experimental setup and aims to describe processes and data important for the upcoming off-line data analysis. In the experiment, neutrons scattered off the target are converted to protons, which are stopped in scintillator crystals. The results include a description of the proton spectra dependence on the neutron-to-proton conversion angle, suggesting a cut at a conversion angle of 15.2 degrees. Calculation of the hit position gates indicates high proton leakage from the crystals. A study of the converter describes the role of its chemical composition and also the role of other plastic scintillators on the proton spectra. The neutron-to-proton conversion efficiency of the converter simulated by MCNPX is 5.1x10(-4) and corresponds to theoretical predictions.

Keyword
INTRANUCLEAR CASCADE CALCULATION, FACILITY
National Category
Physical Sciences
Identifiers
urn:nbn:se:kth:diva-27531 (URN)10.1088/0031-8949/81/06/065202 (DOI)000278412300008 ()2-s2.0-77953213233 (Scopus ID)
Funder
Swedish Research Council
Note
QC 20101217Available from: 2010-12-17 Created: 2010-12-13 Last updated: 2012-08-06Bibliographically approved
2. Neutron elastic scattering cross-section measurements at 175 MeV
Open this publication in new window or tab >>Neutron elastic scattering cross-section measurements at 175 MeV
2010 (English)In: International Conference on Nuclear Data for Science and Technology, 2010Conference paper, Published paper (Refereed)
National Category
Physical Sciences
Identifiers
urn:nbn:se:kth:diva-12964 (URN)
Note
QC 20100520Available from: 2010-05-20 Created: 2010-05-20 Last updated: 2011-02-03Bibliographically approved

Open Access in DiVA

fulltext(808 kB)615 downloads
File information
File name FULLTEXT01.pdfFile size 808 kBChecksum SHA-512
6edde87f9cd5ed551e66a3e36dbf878e499c48f7111ecc71caa7fafa9f186f7d88de5cf2cfc137791f5569e434eacfff104b102ebf8b50bf1bb17847e9549abd
Type fulltextMimetype application/pdf

Search in DiVA

By author/editor
Tesinsky, Milan
By organisation
Reactor Physics

Search outside of DiVA

GoogleGoogle Scholar
Total: 615 downloads
The number of downloads is the sum of all downloads of full texts. It may include eg previous versions that are now no longer available

isbn
urn-nbn

Altmetric score

isbn
urn-nbn
Total: 266 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf