Cross section measurement on 139La (γ,γ') below neutron separation energy

Details Cross section measurement on 139La (γ,γ') below neutron separation energy Cross section measurement on 139La (γ,γ') below neutron separation energy

Jun 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aipc.1238..228m&link_type=abstract

TOURS SYMPOSIUM ON NUCLEAR PHYSICS AND ASTROPHYSICS-VII. AIP Conference Proceedings, Volume 1238, pp. 228-230 (2010).

Physics

Nuclear Physics

Neutron Sources, Scintillators, Electrostatic Accelerators, Electron Beams, Neutron Sources, Scintillation Detectors, Electrostatic Accelerators, Beam Characteristics

Scientific paper

The γ-ray strength function is an important input quantity for the determination of the photoreaction rate and the neutron capture rate for astrophysics as well as for nuclear technologies. Recent studies show that extra γ-ray strength near the neutron separation energy Sn (pygmy resonance) affects the stellar reaction rate strongly. In this work, the photoabsorption cross section for 139La below Sn was measured using bremsstrahlung produced at the electron accelerator ELBE of Eorschungszentrum Dresden-Rossendorf with an electron beam of 11.5 MeV kinetic energy. Experimental result of 139La is presented.

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