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Statements

Subject Item
n2:RIV%2F61389005%3A_____%2F05%3A00021099%21RIV06-AV0-61389005
rdf:type
n14:Vysledek skos:Concept
dcterms:description
A recently developed algebraic version of the collective model has shown that a full range of Bohr model calculations can be executed in bases that range continuously from those of a spherical vibrator to a beta-vibrational Wilets-Jean limit. Thus, the establishment of close relationships between the algebraic structure of this model and the IBM is of special importance because one can learn from the complementary perspectives they afford. In this paper, we show by calculations that the familiar rotor-gamma vibrational spectra of the Bohr model can be obtained in the IBM by the addition of a scalar cubic in the quadrupole moment operators, of the type considered recently by Van Isacker, to an O(6) Hamiltonian. Simple fits of the low-lying spectra, electromagnetic transition rates and moments of inertia of the ground and gamma bands of Dy-162 and Er-168 are presented. A recently developed algebraic version of the collective model has shown that a full range of Bohr model calculations can be executed in bases that range continuously from those of a spherical vibrator to a beta-vibrational Wilets-Jean limit. Thus, the establishment of close relationships between the algebraic structure of this model and the IBM is of special importance because one can learn from the complementary perspectives they afford. In this paper, we show by calculations that the familiar rotor-gamma vibrational spectra of the Bohr model can be obtained in the IBM by the addition of a scalar cubic in the quadrupole moment operators, of the type considered recently by Van Isacker, to an O(6) Hamiltonian. Simple fits of the low-lying spectra, electromagnetic transition rates and moments of inertia of the ground and gamma bands of Dy-162 and Er-168 are presented. Nedávno vyvinutá algebraická verze kolektivního modelu ukázala na možnost provádět výpočty v rámci Bohrova kolektivniho modelu v bázi, která spojitě probíhá od sférického vibrátoru až k beta-vibrační Wilets-Jeanove limitě. Nalezení vztahu mezi algebraickou strukturou tohoto modelu a IBM je tak obzvláště důležité, protože lze využít jejich komplementárního charakteru k získáni nových informací. V tomto článku je ukázáno, že rotačně-gamma vibrační spektra Bohrova modelu mohou být v IBM popsána pomocí skalární kubické interakce v kvadrupólových momentech. Interakce tohoto typu byla nedávno studována P. Van Isackerem. Jsou presentovány fity nizkoležících stavů, elektromagnetických přechodů a momentu setrvačnosti základního pasu a gamma pásu jader 162Dy a 168 Er.
dcterms:title
The O(6) description of the nuclear rotation O(6) popis jaderných rotací The O(6) description of the nuclear rotation
skos:prefLabel
The O(6) description of the nuclear rotation The O(6) description of the nuclear rotation O(6) popis jaderných rotací
skos:notation
RIV/61389005:_____/05:00021099!RIV06-AV0-61389005
n3:strany
957;972
n3:aktivita
n10:Z
n3:aktivity
Z(AV0Z10480505)
n3:cisloPeriodika
8
n3:dodaniDat
n17:2006
n3:domaciTvurceVysledku
n5:4156587
n3:druhVysledku
n15:J
n3:duvernostUdaju
n11:S
n3:entitaPredkladatele
n13:predkladatel
n3:idSjednocenehoVysledku
535287
n3:idVysledku
RIV/61389005:_____/05:00021099
n3:jazykVysledku
n4:eng
n3:klicovaSlova
IBM model; interating-Boson model; colletive states
n3:klicoveSlovo
n8:interating-Boson%20model n8:colletive%20states n8:IBM%20model
n3:kodStatuVydavatele
CZ - Česká republika
n3:kontrolniKodProRIV
[321A435B2280]
n3:nazevZdroje
Czechoslovak Journal of Physics
n3:obor
n16:BG
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
2
n3:rokUplatneniVysledku
n17:2005
n3:svazekPeriodika
55
n3:tvurceVysledku
Thiamová, Gabriela Rowe, D.
n3:zamer
n9:AV0Z10480505
s:issn
0011-4626
s:numberOfPages
16