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- W4286110980 abstract "A 540-535-618 three-step photoionization scheme has been theoretically investigated for the laser isotope separation of <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline> <mml:msup> <mml:mi /> <mml:mrow class=MJX-TeXAtom-ORD> <mml:mn>177</mml:mn> </mml:mrow> </mml:msup> <mml:mrow class=MJX-TeXAtom-ORD> <mml:mi mathvariant=normal>L</mml:mi> <mml:mi mathvariant=normal>u</mml:mi> </mml:mrow> </mml:math> through density matrix formalism. Equations of motion for the three-step photoionization of odd isotopes have been derived. The effects of Doppler broadening, bandwidth and peak power density of excitation lasers, number density of atoms on the degree of enrichment of <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline> <mml:msup> <mml:mi /> <mml:mrow class=MJX-TeXAtom-ORD> <mml:mn>177</mml:mn> </mml:mrow> </mml:msup> <mml:mrow class=MJX-TeXAtom-ORD> <mml:mi mathvariant=normal>L</mml:mi> <mml:mi mathvariant=normal>u</mml:mi> </mml:mrow> </mml:math> and production rate have been studied. Optimum conditions for the laser isotope separation of <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline> <mml:msup> <mml:mi /> <mml:mrow class=MJX-TeXAtom-ORD> <mml:mn>177</mml:mn> </mml:mrow> </mml:msup> <mml:mrow class=MJX-TeXAtom-ORD> <mml:mi mathvariant=normal>L</mml:mi> <mml:mi mathvariant=normal>u</mml:mi> </mml:mrow> </mml:math> for the cases of initial abundances corresponding to the irradiation of natural Lu in low, medium, and high flux reactors have been derived. Under optimum conditions, the production rates of <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline> <mml:msup> <mml:mi /> <mml:mrow class=MJX-TeXAtom-ORD> <mml:mn>177</mml:mn> </mml:mrow> </mml:msup> <mml:mrow class=MJX-TeXAtom-ORD> <mml:mi mathvariant=normal>L</mml:mi> <mml:mi mathvariant=normal>u</mml:mi> </mml:mrow> </mml:math> in ranges of 0.87, 14.5, and 92.5 mg/h can be achieved with degrees of enrichment of 66%, 97%, and 100%, respectively, for the cases of initial abundances corresponding to the irradiation of natural Lu in low, medium, and high flux reactors. It has also been shown that the content of <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline> <mml:msup> <mml:mi /> <mml:mrow class=MJX-TeXAtom-ORD> <mml:mn>177</mml:mn> <mml:mrow class=MJX-TeXAtom-ORD> <mml:mi mathvariant=normal>m</mml:mi> </mml:mrow> </mml:mrow> </mml:msup> <mml:mrow class=MJX-TeXAtom-ORD> <mml:mi mathvariant=normal>L</mml:mi> <mml:mi mathvariant=normal>u</mml:mi> </mml:mrow> </mml:math> in the enriched isotope mixture will be in the range of <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline> <mml:mrow class=MJX-TeXAtom-ORD> <mml:msup> <mml:mrow class=MJX-TeXAtom-ORD> <mml:mn>10</mml:mn> </mml:mrow> <mml:mrow class=MJX-TeXAtom-ORD> <mml:mo>−<!-- − --></mml:mo> <mml:mn>2</mml:mn> </mml:mrow> </mml:msup> </mml:mrow> <mml:mi mathvariant=normal>%<!-- % --></mml:mi> </mml:math> to <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline> <mml:mrow class=MJX-TeXAtom-ORD> <mml:msup> <mml:mrow class=MJX-TeXAtom-ORD> <mml:mn>10</mml:mn> </mml:mrow> <mml:mrow class=MJX-TeXAtom-ORD> <mml:mo>−<!-- − --></mml:mo> <mml:mn>4</mml:mn> </mml:mrow> </mml:msup> </mml:mrow> <mml:mi mathvariant=normal>%<!-- % --></mml:mi> </mml:math> . This provides a comprehensive solution to the application of <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline> <mml:msup> <mml:mi /> <mml:mrow class=MJX-TeXAtom-ORD> <mml:mn>177</mml:mn> </mml:mrow> </mml:msup> <mml:mrow class=MJX-TeXAtom-ORD> <mml:mi mathvariant=normal>L</mml:mi> <mml:mi mathvariant=normal>u</mml:mi> </mml:mrow> </mml:math> for cancer therapy." @default.
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- W4286110980 date "2022-08-23" @default.
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- W4286110980 title "Isotope selective three-step photoionization of <sup>177</sup>Lu" @default.
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- W4286110980 doi "https://doi.org/10.1364/josab.463197" @default.
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