A Study of Laser Photoionization of 177mLu Nuclear Isomer

D’yachkov, A. B.; Горкунов, А. А.; Labozin, A. V.; Makoveeva, K. A.; Миронов, С. М.; Panchenko, V. Ya.; Firsov, V. A.; Tsvetkov, G. O.

doi:10.1134/s0030400x20010087

Cited by 12 publications

(4 citation statements)

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“…This photoionization pathway has a number of advantages over the photoionization scheme reported previously 5 – 10 . They are, The wavelengths of the excitation lasers are easily accessible by high conversion efficiency Rhodamine dye lasers.…”

Section: Resultsmentioning

confidence: 93%

“…Most of the previous work 20 , 21 carried out have reported the data pertaining to the Rydberg series and autoionization states originating from the 5d6s6p 2 D o 3/2,5/2 , 5d6s6p 4 D o 3/2,5/2 and 6s 2 nd 2 D 3/2,5/2 , 6s 2 ns 2 S 1/2 states. D’yachkov et al 5 , 10 have found a strong autoionization level connecting to the 5d6s7s 4 D 3/2 upper level of the 540–535 nm scheme. Further experimental studies on the search for suitable autoionization states connecting to the 6s6p 2 4 P 5/2 upper level of the 573–560 nm scheme is necessary.…”

Section: Resultsmentioning

confidence: 96%

“…Seemingly, AVLIS remains as the only available option for the enrichment of 176 Lu. Kurchatov Institute 5 – 10 , Russia has extensively worked on the isotope separation of Lu isotopes. The experimental facilities required are technologically most demanding, particularly, with respect to the bandwidth of the excitation lasers, which has to be limited to < 100 MHz level.…”

Section: Introductionmentioning

confidence: 99%

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Isotope separation of 176Lu a precursor to 177Lu medical isotope using broadband lasers

Suryanarayana

2021

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A new photoionization scheme accessible by Rhodamine dye lasers is proposed for the isotope separation of 176Lu.$$5d6s^{2}\,{^{2}D_{{3/2}}} (0.0\, {\text{cm}}^{{ - 1}} )\mathop{\longrightarrow}\limits^{{573.8130\, {\text{nm}}}}5d6s6p\,{^{4}F_{{3/2}}^{o}} \left( {17427.28\, {\text{cm}}^{{ - 1}} } \right)\mathop{\longrightarrow}\limits^{{560.3114\, {\text{nm}}}}$$ 5 d 6 s 2 2 D 3 / 2 ( 0.0 cm - 1 ) ⟶ 573.8130 nm 5 d 6 s 6 p 4 F 3 / 2 o 17427.28 cm - 1 ⟶ 560.3114 nm $$6s{6p}^{2}\,{^{4}{P}_{5/2}}\left(35274.5 \,{\text{cm}}^{-1}\right){\to } Autoionization\, State {\to }{Lu}^{+}$$ 6 s 6 p 2 4 P 5 / 2 35274.5 cm - 1 → A u t o i o n i z a t i o n S t a t e → Lu + Optimum conditions for the laser isotope separation have been theoretically computed and compared with the previously reported work. The enrichment of ~ 63% can be obtained with > 22 mg/h production rate even when broadband lasers with bandwidth of 500 MHz are employed for the two step excitation. The simplified system requirements for the photoionization scheme combined with a high production rate of 176Lu than previously reported is expected to reduce the global shortage of 176Lu isotope for medical applications.

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Section: Resultsmentioning

confidence: 93%

Section: Resultsmentioning

confidence: 96%

Section: Introductionmentioning

confidence: 99%

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Isotope separation of 176Lu a precursor to 177Lu medical isotope using broadband lasers

Suryanarayana

2021

Sci Rep

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“…позволяет осуществлять фотоионизацию 177 Lu и 177m Lu с высокой селективностью и эффективностью, что может быть использовано для промышленного получения данных радионуклидов для их медицинского применения [1]. Изотопы лютеция (кроме 170 Lu) имеют ненулевой спин ядра, поэтому все уровни энергии расщеплены в мультиплеты (рис.…”

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