Scissors Mode in Gd Nuclei

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F12%3A10126625" target="_blank" >RIV/00216208:11320/12:10126625 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1051/epjconf/20122104005" target="_blank" >http://dx.doi.org/10.1051/epjconf/20122104005</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1051/epjconf/20122104005" target="_blank" >10.1051/epjconf/20122104005</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Scissors Mode in Gd Nuclei

Popis výsledku v původním jazyce

Spectra of gamma rays following neutron capture at isolated resonances of 6 stable Gd isotopes were measured with highly segmented BaF2 detector DANCE at the Los Alamos LANSCE spallation neutron source. The main emphasis was put on studying the gamma-cascade decay of neutron resonances to get unique information on photon strength. An analysis of the accumulated gamma-ray spectra within the extreme statistical model leads to an inescapable conclusion that scissors mode resonances are built not only on the groundstate, but also on excited levels in all product nuclei studied. The results on summed B(M1)up arrow strength and energy of the scissors mode are compared with systematics of scissors mode parameters for the ground-state transitions deduced fromnuclear resonance fluorescence measurements. A specific feature of our experiments is the investigation of scissors mode of odd nuclei, for which the nuclear resonance fluorescence provides only limited information.

Název v anglickém jazyce

Scissors Mode in Gd Nuclei

Popis výsledku anglicky

Spectra of gamma rays following neutron capture at isolated resonances of 6 stable Gd isotopes were measured with highly segmented BaF2 detector DANCE at the Los Alamos LANSCE spallation neutron source. The main emphasis was put on studying the gamma-cascade decay of neutron resonances to get unique information on photon strength. An analysis of the accumulated gamma-ray spectra within the extreme statistical model leads to an inescapable conclusion that scissors mode resonances are built not only on the groundstate, but also on excited levels in all product nuclei studied. The results on summed B(M1)up arrow strength and energy of the scissors mode are compared with systematics of scissors mode parameters for the ground-state transitions deduced fromnuclear resonance fluorescence measurements. A specific feature of our experiments is the investigation of scissors mode of odd nuclei, for which the nuclear resonance fluorescence provides only limited information.

Druh

O - Ostatní výsledky

CEP obor

BG - Jaderná, atomová a molekulová fyzika, urychlovače

OECD FORD obor

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Projekt

<a href="/cs/project/LA08015" target="_blank" >LA08015: Spolupráce ČR s CERN</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2012

Kód důvěrnosti údajů

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