Measurement of total M shell
photoionization cross sections for Au,Pb, Th and U in the energy region
6–12 keV |
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Authors: | K S Mann K S Kahlon N Singh K L Allawadhi |
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Institution: | (1) Physics Department, Sant Longowal Institute of Engineering & Technology, Longowal, 148 106, Punjab, India;(2) Nuclear Science Laboratories, Physics Department, Punjabi University, Patiala, 147 002, Punjab, India |
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Abstract: | The total M shell relative photoionization
cross-sections for Au, Pb, Th and U have been measured in the energy region
6–12 keV. External conversion K X-rays of suitable elements has been employed
as incident photons to photo ionize the total M shell of elements under
investigation. The method provides relative cross-sections therefore does
not make use of theoretically calculated average M shell fluorescence yields
which involve uncertainties of the order of 20%. No evidence of deviation
from calculated values of cross-sections have been observed within
experimental errors for all incident photon energies. |
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Keywords: | 32 80 -t Photon interactions with atoms 32 80 Fb Photoionization of atoms and ions 32 30 Rj X-ray spectra |
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