Investigation of Re-186 via radiative thermal-neutron capture on Re-185

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F16%3A10331973" target="_blank" >RIV/00216208:11320/16:10331973 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1103/PhysRevC.93.054319" target="_blank" >http://dx.doi.org/10.1103/PhysRevC.93.054319</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1103/PhysRevC.93.054319" target="_blank" >10.1103/PhysRevC.93.054319</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Investigation of Re-186 via radiative thermal-neutron capture on Re-185

Popis výsledku v původním jazyce

Partial gamma-ray production cross sections and the total radiative thermal-neutron capture cross section for the Re-185(n,gamma) Re-186 reaction were measured using the Prompt Gamma Activation Analysis facility at the Budapest Research Reactor with an enriched Re-185 target. The Re-186 cross sections were standardized using well-known Cl-35(n,gamma) Cl-36 cross sections from irradiation of a stoichiometric (ReCl3)-Re-nat target. The resulting cross sections for transitions feeding the Re-186 ground state from low-lying levels below a cutoff energy of E-c = 746 keV were combined with a modeled probability of ground-state feeding from levels above E-c to arrive at a total cross section of sigma(0) = 111(6) b for radiative thermal-neutron capture on Re-185. A comparison of modeled discrete-level populations with measured transition intensities led to proposed revisions for seven tentative spin-parity assignments in the adopted level scheme for Re-186. Additionally, 102 primary gamma rays were measured, including 50 previously unknown. A neutron-separation energy of S-n = 6179.59(5) keV was determined from a global least-squares fit of the measured gamma-ray energies to the known Re-186 decay scheme. The total capture cross section and separation energy results are comparable to earlier measurements of these values.

Název v anglickém jazyce

Investigation of Re-186 via radiative thermal-neutron capture on Re-185

Popis výsledku anglicky

Partial gamma-ray production cross sections and the total radiative thermal-neutron capture cross section for the Re-185(n,gamma) Re-186 reaction were measured using the Prompt Gamma Activation Analysis facility at the Budapest Research Reactor with an enriched Re-185 target. The Re-186 cross sections were standardized using well-known Cl-35(n,gamma) Cl-36 cross sections from irradiation of a stoichiometric (ReCl3)-Re-nat target. The resulting cross sections for transitions feeding the Re-186 ground state from low-lying levels below a cutoff energy of E-c = 746 keV were combined with a modeled probability of ground-state feeding from levels above E-c to arrive at a total cross section of sigma(0) = 111(6) b for radiative thermal-neutron capture on Re-185. A comparison of modeled discrete-level populations with measured transition intensities led to proposed revisions for seven tentative spin-parity assignments in the adopted level scheme for Re-186. Additionally, 102 primary gamma rays were measured, including 50 previously unknown. A neutron-separation energy of S-n = 6179.59(5) keV was determined from a global least-squares fit of the measured gamma-ray energies to the known Re-186 decay scheme. The total capture cross section and separation energy results are comparable to earlier measurements of these values.

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/GA13-07117S" target="_blank" >GA13-07117S: Statistické přístupy ke kvantovým mnohočásticovým systémům</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2016

Kód důvěrnosti údajů

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

Název periodika

PHYSICAL REVIEW C

ISSN

2469-9985

e-ISSN

—

Svazek periodika

93

Číslo periodika v rámci svazku

5

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

19

Strana od-do

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Kód UT WoS článku

000376253300001

EID výsledku v databázi Scopus

2-s2.0-84969822588