About: Improved lead and bismuth (n,gamma) cross sections and their astrophysical impact

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	A series of (n,gamma) neutron capture measurements on the lead isotopes and bismuth have been carried Out at the CERN n_TOF installation in the neutron energy range from 1 eV up to 1 MeV. At n_TOF, contaminations due to scattered neutrons were reduced down to a negligible level by using improved gamma-ray detectors with very low neutron sensitivity. The background level has been determined precisely from a complementary measurement. Other experimental effects related to the electronic threshold in the detectors and the angular distribution of the prompt gamma-rays were investigated via Monte Carlo simulations and could be taken in account in the analysis of the capture data. With this set of measurements the energy differential (n,gamma) cross sections of Pb-204,Pb-206,Pb-207 and Bi-209 have been determined with good accuracy. The information obtained in this work becomes of interest for constraining r-process calculations and in particular for the Th/U cosmochronometer. A series of (n,gamma) neutron capture measurements on the lead isotopes and bismuth have been carried Out at the CERN n_TOF installation in the neutron energy range from 1 eV up to 1 MeV. At n_TOF, contaminations due to scattered neutrons were reduced down to a negligible level by using improved gamma-ray detectors with very low neutron sensitivity. The background level has been determined precisely from a complementary measurement. Other experimental effects related to the electronic threshold in the detectors and the angular distribution of the prompt gamma-rays were investigated via Monte Carlo simulations and could be taken in account in the analysis of the capture data. With this set of measurements the energy differential (n,gamma) cross sections of Pb-204,Pb-206,Pb-207 and Bi-209 have been determined with good accuracy. The information obtained in this work becomes of interest for constraining r-process calculations and in particular for the Th/U cosmochronometer. (en)
Title	Improved lead and bismuth (n,gamma) cross sections and their astrophysical impact Improved lead and bismuth (n,gamma) cross sections and their astrophysical impact (en)
skos:prefLabel	Improved lead and bismuth (n,gamma) cross sections and their astrophysical impact Improved lead and bismuth (n,gamma) cross sections and their astrophysical impact (en)
skos:notation	RIV/00216208:11320/08:00206473!RIV10-MSM-11320___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(LA08015), Z(MSM0021620859)
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Bečvář, František Krtička, Milan
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
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	371694
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/08:00206473
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Improved; bismuth; gamma; cross; sections; their; astrophysical; impact (en)
http://linked.open.../riv/klicoveSlovo	cross gamma bismuth impact their Improved sections astrophysical
http://linked.open...ontrolniKodProRIV	[941AAD94D562]
http://linked.open...v/mistoKonaniAkce	Francie
http://linked.open...i/riv/mistoVydani	Francie
http://linked.open...i/riv/nazevZdroje	INTERNATIONAL CONFERENCE ON NUCLEAR DATA FOR SCIENCE AND TECHNOLOGY
http://linked.open...in/vavai/riv/obor	BG
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Collaboration of the Czech Republic with CERN
http://linked.open...UplatneniVysledku	2008
http://linked.open...iv/tvurceVysledku	Bečvář, František Krtička, Milan Domingo-Pardo, Cesar
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open...ain/vavai/riv/wos	000268672000142
http://linked.open.../riv/zahajeniAkce	2008-01-01 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Výzkum vlastností jader a subjaderných částic a jejich interakcí
number of pages	4 (xsd:int)
http://purl.org/ne...btex#hasPublisher	E D P SCIENCES
https://schema.org/isbn	978-2-7598-0091-9
http://localhost/t...ganizacniJednotka	11320

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