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Photon scattering experiment on 139La below neutron separation energy at ELBE

  • A. Makinaga
  • , G. Rusev
  • , R. Schwengner
  • , A. R. Junghans
  • , A. Wagner
  • Konan University
  • Helmholtz-Zentrum Dresden-Rossendorf
  • Triangle Universities Nuclear Laboratory

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Gamma strength function is the important input parameter to determine the photodisintegration rate and neutron capture rate for astrophysics and nuclear technologies. To test the model calculation, photon-scattering cross sections were measured for 139La up to the neutron separation energy with bremsstrahlung at an electron kinetic energy of 11.5 MeV. Scattered photons were measured with four 100 % HPGe detectors, and 11B is used to determine the γ flux. The experimental data was analyzed with statistical methods to obtain the intensities of the ground-state transitions and their branching ratios. The present 139La photon scattering cross sections are combined with 139La photoneutron cross sections.

Original languageEnglish
Title of host publicationPerspectives in Nuclear Physics - Proceedings of the 6th Japan-Italy Symposium on Heavy-Ion Physics
Pages289-293
Number of pages5
DOIs
StatePublished - 2009
Externally publishedYes
Event6th Japan-Italy Symposium on Heavy-Ion Physics - Tokai, Japan
Duration: 11 Nov 200815 Nov 2008

Publication series

NameAIP Conference Proceedings
Volume1120
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference6th Japan-Italy Symposium on Heavy-Ion Physics
Country/TerritoryJapan
CityTokai
Period11/11/0815/11/08

Keywords

  • Gamma strength
  • P-process
  • Photon-scattering

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