About: Accumulation of the Hf-178m2 isomeric nuclei through spallation with internediate-energy protons of tantalum and rhenium targets.

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About: Accumulation of the Hf-178m2 isomeric nuclei through spallation with internediate-energy protons of tantalum and rhenium targets. Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The productivity of the spallation reactionc at proton energies of 100-660 MeV for accumulation of the radioactive isotopes and isomers has been studied experimentally. Spectra of Ta and Re targets actived at Dubna synchrocyclotron were measured using the methods of radiochemistry and gamma spectroscopy, Many radioactive products of the spallation and fission reactions are indentified, and their yields are compared with the LAHET code simulations. Cross-sections cm and isomer-to ground state rations sigma(m)/sigma(g) are deduced for nuclear isomers, in particular, for high-spin isomers, as Hf-178m2, Hf-179m2 and Lu-177. Spin distributions for the spallation-residue nuclei are estimated to understand the sigma(m)/sigma(g), ratios. Possibilities to optimize the methods for the long-lived isomers production are discussed, and it would be a necessary step on theway to accululate Such exotic radionuclides in milligram amout under reasonable cost and radiation safety conditions. The productivity of the spallation reactionc at proton energies of 100-660 MeV for accumulation of the radioactive isotopes and isomers has been studied experimentally. Spectra of Ta and Re targets actived at Dubna synchrocyclotron were measured using the methods of radiochemistry and gamma spectroscopy, Many radioactive products of the spallation and fission reactions are indentified, and their yields are compared with the LAHET code simulations. Cross-sections cm and isomer-to ground state rations sigma(m)/sigma(g) are deduced for nuclear isomers, in particular, for high-spin isomers, as Hf-178m2, Hf-179m2 and Lu-177. Spin distributions for the spallation-residue nuclei are estimated to understand the sigma(m)/sigma(g), ratios. Possibilities to optimize the methods for the long-lived isomers production are discussed, and it would be a necessary step on theway to accululate Such exotic radionuclides in milligram amout under reasonable cost and radiation safety conditions. (en)
Title	Accumulation of the Hf-178m2 isomeric nuclei through spallation with internediate-energy protons of tantalum and rhenium targets. Accumulation of the Hf-178m2 isomeric nuclei through spallation with internediate-energy protons of tantalum and rhenium targets. (en)
skos:prefLabel	Accumulation of the Hf-178m2 isomeric nuclei through spallation with internediate-energy protons of tantalum and rhenium targets. Accumulation of the Hf-178m2 isomeric nuclei through spallation with internediate-energy protons of tantalum and rhenium targets. (en)
skos:notation	RIV/61389005:_____/02:49020173!RIV/2003/AV0/A49003/N
http://linked.open.../vavai/riv/strany	448;468
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(KSK2067107), Z(AV0Z1048901)
http://linked.open...iv/cisloPeriodika	1/3
http://linked.open...vai/riv/dodaniDat	2003
http://linked.open...aciTvurceVysledku	Adam, Jindřich
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav jaderné fyziky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	637349
http://linked.open...ai/riv/idVysledku	RIV/61389005:_____/02:49020173
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	protons; spallation; target activation; radionuclides; isomers; cross-section; multistep model (en)
http://linked.open.../riv/klicoveSlovo	protons cross-section spallation multistep model target activation isomers radionuclides
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[C55FE7EECCC3]
http://linked.open...i/riv/nazevZdroje	Nuclear Instruments and Methods in Physics Research. Section A-Accelerators Spectrometers Detectors and Associated Equipment
http://linked.open...in/vavai/riv/obor	BG
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	11 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...vavai/riv/projekt	Applied physics as a basis of technical sciences
http://linked.open...UplatneniVysledku	2002
http://linked.open...v/svazekPeriodika	489
http://linked.open...iv/tvurceVysledku	Adam, Jindřich Lebedev, N. A. Collins, C. B. Karamian, S. A. Popescu, I. I. Ur, C. A. Novgorodov, A. F. Kalinnikov, V. B. Filossov, D. V. Henzl, V. Henzlová, D.
http://linked.open...n/vavai/riv/zamer	Theoretical and experimental investigation of atomic nuclei and exploitation of nuclear methods in interdisciplinary research
issn	0168-9002
number of pages	21 (xsd:int)

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