Excitation cross-sections of the praseodymium atom
نویسنده
چکیده
Excitation cross-sections of PrI were measured at an electron
منابع مشابه
Calculation of electron impact excitation and ionization cross sections for light elements
The present work is devoted to the calculation of excitation and ionization cross sections and rate coefficients for light elements. The calculation is performed by the complex of programs ATOM-AKM [1]. The algorithms for excitation and ionization are rather different. They will be described in separate sections. Supplementary data associated with this article (cross sections σ, rate coefficien...
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Background & Aim: PET is a very useful and suitable imaging method in nuclear medicine. This method uses positrons with a special energy for imaging. The elements of the lanthanide are suitable for the decay of positrons with a specific energy for use in PET. Praseodymium-139 with a half-life of 4.5 hours is one of the useful elements in the group of lanthanides that can be used in PET. In this...
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We report calculations for exclusive ionization-excitation Compton cross sections, both total and differential in energy transfer, for n = 3–5 of the negative hydrogen ion and the helium atom. We find that, unlike the cross section for n = 1 and 2, the exclusive cross sections for n 3 are not very sensitive to atomic parameters such as geometric size and electron correlation. We discuss differe...
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Excitation and charge transfer cross sections for collisions of protons with hydrogen are calculated by direct solution of the time-dependent Schrödinger equation on a three-dimensional Cartesian lattice. The 2s , 2p , 3s , 3p , and 3d excitation cross sections and the 1s , 2s , 2p , 3s , 3p , and 3d charge transfer cross sections from the 1s ground state at 10-, 40-, and 100-keV incident proto...
متن کاملSpectral studies of praseodymium doped heavy metal borate glass systems
Praseodymium doped HMO glasses are fabricated with the following compositions using conventional melt quenching technique. The compositions of the glass systems are 12 ZnO + 33 B2O3 + (50-x) PbO + (x+10) CaO + 4 Al2O3 + 1 Pr6O11 where (x = 0,10,20,30 and 40 mol %.). Certain physical properties of these systems have been evaluated and reported. Spectral data for all these systems were recorded f...
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تاریخ انتشار 2016