Measurement of the D (d,p) T Reaction in Ti for 2.5<E_d<6.5keV and Electron Screening in Metal

概要

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In order to study the electron screening effect on low-energy nuclear reactions in rnetals, theD-FD reaction in Ti was investigated. lVIeasured were thick target yields of protons eznitted inthe D (d, p)T reaction from the bombardnaent of Ti metal with deuteron energies between 2.5 and6.5 keV. The obtained yields were compared with those predicted by using the parameterizationof cross sections at higher energies. It was found that the reaction rates in Ti are slightlyenhanced over those of the bare D-l-D reaction for Ea< 4.3keV, and the enhancernent can beinterpreted as caused by the electron screening. The electron screening potential in Ti is deducedfor the first time to be 19 i 12 eV.
社団法人日本物理学会の論文
1997-01-15