Neutron-induced fission cross section of U-234 measured at the CERN n_TOF facility

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F14%3A10283624" target="_blank" >RIV/00216208:11320/14:10283624 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1103/PhysRevC.89.044606" target="_blank" >http://dx.doi.org/10.1103/PhysRevC.89.044606</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1103/PhysRevC.89.044606" target="_blank" >10.1103/PhysRevC.89.044606</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Neutron-induced fission cross section of U-234 measured at the CERN n_TOF facility

Popis výsledku v původním jazyce

The neutron-induced fission cross section of U-234 has been measured at the CERN n_TOF facility relative to the standard fission cross section of U-235 from 20 keV to 1.4 MeV and of U-238 from 1.4 to 200 MeV. A fast ionization chamber (FIC) was used as afission fragment detector with a detection efficiency of no less than 97%. The high instantaneous flux and the low background characterizing the n_TOF facility resulted in wide-energy-range data (0.02 to 200 MeV), with high energy resolution, high statistics, and systematic uncertainties bellow 3%. Previous investigations around the energy of the fission threshold revealed structures attributed to beta-vibrational levels, which have been confirmed by the present measurements. Theoretical calculations have been performed, employing the TALYS code with model parameters tuned to fairly reproduce the experimental data.

Název v anglickém jazyce

Neutron-induced fission cross section of U-234 measured at the CERN n_TOF facility

Popis výsledku anglicky

The neutron-induced fission cross section of U-234 has been measured at the CERN n_TOF facility relative to the standard fission cross section of U-235 from 20 keV to 1.4 MeV and of U-238 from 1.4 to 200 MeV. A fast ionization chamber (FIC) was used as afission fragment detector with a detection efficiency of no less than 97%. The high instantaneous flux and the low background characterizing the n_TOF facility resulted in wide-energy-range data (0.02 to 200 MeV), with high energy resolution, high statistics, and systematic uncertainties bellow 3%. Previous investigations around the energy of the fission threshold revealed structures attributed to beta-vibrational levels, which have been confirmed by the present measurements. Theoretical calculations have been performed, employing the TALYS code with model parameters tuned to fairly reproduce the experimental data.

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

BG - Jaderná, atomová a molekulová fyzika, urychlovače

OECD FORD obor

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Projekt

<a href="/cs/project/LG13031" target="_blank" >LG13031: Spolupráce ČR s CERN</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2014

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Physical Review C - Nuclear Physics

ISSN

0556-2813

e-ISSN

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Svazek periodika

89

Číslo periodika v rámci svazku

4

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

11

Strana od-do

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Kód UT WoS článku

000341496900002

EID výsledku v databázi Scopus

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