About: Estimation of the spallation-residue angular momentum in p+Ta, Re reactions

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About: Estimation of the spallation-residue angular momentum in p+Ta, Re reactions Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Yields and cross-sections for the radioactive isotope production have been, determined via gamma-activity measurements after irradiation of the Ta and Re targets by protons with energies from 100 to 660 MeV. Mass-distribution of the reaction products contains two wide peaks corresponded to the spallation and fission product nuclei, respectively. High-spin Hf and Lu isomers are among the detected nuclides. The spallation-residue angular momentum, I, has been estimated basing on the determined isomer-to-ground state ratio, sigma(m)/sigma(g), and using, known systematics of sigma(m)/sigma(g), versus I. Non zero value of spin I should increase a probability of fission. Measured fission-to-spallation ratio is indeed higher than predicted by the Monte Carlo code simulation without angular momenta in account. Yields and cross-sections for the radioactive isotope production have been, determined via gamma-activity measurements after irradiation of the Ta and Re targets by protons with energies from 100 to 660 MeV. Mass-distribution of the reaction products contains two wide peaks corresponded to the spallation and fission product nuclei, respectively. High-spin Hf and Lu isomers are among the detected nuclides. The spallation-residue angular momentum, I, has been estimated basing on the determined isomer-to-ground state ratio, sigma(m)/sigma(g), and using, known systematics of sigma(m)/sigma(g), versus I. Non zero value of spin I should increase a probability of fission. Measured fission-to-spallation ratio is indeed higher than predicted by the Monte Carlo code simulation without angular momenta in account. (en) Výtěžky a účinné průřezy produkce radioaktivních izotopů jsou určovány prostřednictvím gama aktivačních měření po ozáření terčíků Ta a Re protony s energiemi od 100 do 660 MeV. (cs)
Title	Odhad úhlového momentu spalačních reziduí v p+Ta, Re reakcích (cs) Estimation of the spallation-residue angular momentum in p+Ta, Re reactions Estimation of the spallation-residue angular momentum in p+Ta, Re reactions (en)
skos:prefLabel	Odhad úhlového momentu spalačních reziduí v p+Ta, Re reakcích (cs) Estimation of the spallation-residue angular momentum in p+Ta, Re reactions Estimation of the spallation-residue angular momentum in p+Ta, Re reactions (en)
skos:notation	RIV/61389005:_____/03:00101862!RIV/2005/MSM/A49005/N
http://linked.open.../vavai/riv/strany	B381;B394
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(ME 134)
http://linked.open...iv/cisloPeriodika	-
http://linked.open...vai/riv/dodaniDat	2005
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	606224
http://linked.open...ai/riv/idVysledku	RIV/61389005:_____/03:00101862
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	protons; spallation; radionuclides (en)
http://linked.open.../riv/klicoveSlovo	protons spallation radionuclides
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[F433453635DD]
http://linked.open...i/riv/nazevZdroje	Czechoslovak Journal of Physics
http://linked.open...in/vavai/riv/obor	BG
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	http://linked.opendata.cz/resource/domain/vavai/projekt/ME%20134
http://linked.open...UplatneniVysledku	2003
http://linked.open...v/svazekPeriodika	53
http://linked.open...iv/tvurceVysledku	Adam, Jindřich Karamian, S. A.
issn	0011-4626
number of pages	14 (xsd:int)

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