About: New Measurement of the Thermal-capture Cross Section for the Minor Isotope 180W

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About: New Measurement of the Thermal-capture Cross Section for the Minor Isotope 180W Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://dx.doi.org/10.1016/j.nds.2014.08.026
Description	Tungsten occurs naturally in five isotopic forms; four of them, 182,183,184,186W, contribute significantly to the overall elemental abundance (with each contribution between 14 and 30 %), whereas 180W only occurs at the 0.12 % level and is a minor isotope. Given its very low abundance, a precise measurement of the thermal neutron-capture cross section is extremely challenging. This work reports a new value of the thermal neutron-capture cross section from a direct 180W(n,γ) measurement using a guided-thermal beam at the Budapest Research Reactor, incident upon an 11.35 % enriched sample to induce prompt γ-ray activation within the sample. The thermal-capture cross section was determined as the sum of experimentally observed partial neutron-capture γ-ray cross sections feeding the ground state directly, and, the modeled contribution from the (unobserved) ground-state feeding predicted from statistical-model calculations using the Monte Carlo program DICEBOX. The preliminary value of the 180W(n,γ) thermal neutron-capture cross section is 20.5(42) b. Tungsten occurs naturally in five isotopic forms; four of them, 182,183,184,186W, contribute significantly to the overall elemental abundance (with each contribution between 14 and 30 %), whereas 180W only occurs at the 0.12 % level and is a minor isotope. Given its very low abundance, a precise measurement of the thermal neutron-capture cross section is extremely challenging. This work reports a new value of the thermal neutron-capture cross section from a direct 180W(n,γ) measurement using a guided-thermal beam at the Budapest Research Reactor, incident upon an 11.35 % enriched sample to induce prompt γ-ray activation within the sample. The thermal-capture cross section was determined as the sum of experimentally observed partial neutron-capture γ-ray cross sections feeding the ground state directly, and, the modeled contribution from the (unobserved) ground-state feeding predicted from statistical-model calculations using the Monte Carlo program DICEBOX. The preliminary value of the 180W(n,γ) thermal neutron-capture cross section is 20.5(42) b. (en)
Title	New Measurement of the Thermal-capture Cross Section for the Minor Isotope 180W New Measurement of the Thermal-capture Cross Section for the Minor Isotope 180W (en)
skos:prefLabel	New Measurement of the Thermal-capture Cross Section for the Minor Isotope 180W New Measurement of the Thermal-capture Cross Section for the Minor Isotope 180W (en)
skos:notation	RIV/00216208:11320/14:10289529!RIV15-MSM-11320___
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GA13-07117S)
http://linked.open...iv/cisloPeriodika	neuveden
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Krtička, Milan
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	Univerzita Karlova v Praze / Matematicko-fyzikální fakulta
http://linked.open...dnocenehoVysledku	32423
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/14:10289529
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	180W; Isotope; Minor; for; Section; Cross; Thermal-capture; Measurement; New (en)
http://linked.open.../riv/klicoveSlovo	180W Isotope Minor Thermal-capture New for Measurement Cross Section
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[9E9C45EA4573]
http://linked.open...i/riv/nazevZdroje	Nuclear Data Sheets
http://linked.open...in/vavai/riv/obor	BG
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	10 (xsd:int)
http://linked.open...vavai/riv/projekt	Statistical approaches to quantum many-body systems
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	119
http://linked.open...iv/tvurceVysledku	Krtička, Milan Firestone, R. B. Hurst, A. M. Szentmiklosi, L.
issn	0090-3752
number of pages	3 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.nds.2014.08.026
http://localhost/t...ganizacniJednotka	11320

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