Photoactivation of the p-nucleus 92Mo with bremsstrahlung at ELBE

Details Photoactivation of the p-nucleus 92Mo with bremsstrahlung at ELBE Photoactivation of the p-nucleus 92Mo with bremsstrahlung at ELBE

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010jphcs.202a2014e&link_type=abstract

Journal of Physics: Conference Series, Volume 202, Issue 1, pp. 012014 (2010).

Physics

Scientific paper

In nuclear network calculations especially the p-nucleus 92Mo is frequently underproduced. Since experimental data of the photodisintegration of 92Mo so far do not exist, it was necessary to measure the reaction yields with the photoactivation method using the brems-strahlung facility ELBE at FZ Dresden-Rossendorf. Also the reaction 100Mo(γ,n) could be tested while irradiating Mo samples of natural composition. The photon fluence was measured with nuclear resonance fluorescence (NRF) of strong and well-known transitions in 11B. As a normalization standard the photoactivation reaction 197Au(γ,n) was used. For the 65 s half-life of 91mMo a fast pneumatic delivery was used. The photoactivation yields of the (γ,p) and (γ,n) reactions are compared to yield integrals of the bremsstrahlung spectral shape folded with the cross sections derived from Hauser-Feshbach nuclear model calculations using the TALYS program and cross sections from earlier experiments.

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