5 research outputs found
Impact of meteorological and environmental factors on the spatial distribution of Fasciola hepatica in beef cattle herds in Sweden
Determining the Prevalence and Seasonality of Fasciola hepatica in Pasture-based Dairy herds in Ireland using a Bulk Tank Milk ELISA
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Electronic excitation in transmission of relativistic H{sup {minus}} ions through thin foils
The authors describe a theoretical model to study the transmission of relativistic H{sup {minus}} ions through thin carbon foils. The approach is based on a Monte Carlo solution of the Langevin equation describing electronic excitations of the atoms during the transport through the foil. Calculations for the subshell populations of outgoing hydrogen atoms are found to be in good agreement with recent experimental data on an absolute scale and show that there exists a propensity for populating extreme Stark states
Full scale relativistic ab initio time dependent caculations for the the L-K vacancy transfer in 208 MeV Ni"2"3"+ on Ge solid target
We present full scale ab initio relativistic calculations for the L-K vacancy transfer in collisions of 208 MeV Ni"2"3"+ on Ge-solid target. Our time dependent Dirac-Fock-Slater method allows to achieve a very accurate quantitative explanation for the experimental impact parameter-dependent Ni-K and Ge-K vacancy probabilities recently measured at GSI. Darmstadt in terms of dynamic creation and annihilation of Ni n=2 shell vacancies in the collision. Our calculations reveal that both the radial and rotational coupling between the molecular levels contribute to the L-K vacancy transfer. (orig.)17 refs.Available from TIB Hannover: RO 801(95-82) / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekSIGLEDEGerman