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Identification of l...
Identification of low-lying proton-based intruder states in Pb189-193
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Van de Vel, K. (author)
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Andreyev, A. N. (author)
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Huyse, M. (author)
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Van Duppen, P. (author)
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Cocks, J. F. C. (author)
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Dorvaux, O. (author)
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Greenlees, P. T. (author)
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Helariutta, K. (author)
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Jones, P. (author)
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Julin, R. (author)
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Juutinen, S. (author)
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Kettunen, H. (author)
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Kuusiniemi, P. (author)
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Leino, M. (author)
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Muikku, M. (author)
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Nieminen, P. (author)
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Eskola, K. (author)
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- Wyss, Ramon (author)
- KTH,Fysik
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(creator_code:org_t)
- 2002
- 2002
- English.
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In: Physical Review C. Nuclear Physics. - 0556-2813 .- 1089-490X. ; 65:6
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Low-lying proton-based intruder states have been observed in the odd-mass isotopes Pb-189,Pb-191,Pb-193 in experiments at the RITU gas-filled recoil separator. The identification has been performed by observing the fine structure in the alpha decay of the parent Po-193,Po-195,Po-197 nuclei in prompt coincidence with conversion electrons and gamma rays in the daughter lead isotopes. Along with the literature data these results establish a systematics of intruder states in the odd-mass lead isotopes from Pb-197 down to Pb-185. Interpretation of these states involves the coupling of the 1i(13/2) or 3p(3/2) odd neutron to the 0(+) state in the oblate minimum in the even-mass lead core. Conversion coefficients have been determined for some of the transitions, revealing mixing between the coexisting states. The experimental results are compared to potential energy surface calculations.
Keyword
- alpha-decay
- shape coexistence
- excited-states
- fine-structure
- mass nuclei
- isotopes
- transitions
- pb-188
- shell
- pb
Publication and Content Type
- ref (subject category)
- art (subject category)
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To the university's database
- By the author/editor
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Van de Vel, K.
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Andreyev, A. N.
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Huyse, M.
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Van Duppen, P.
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Cocks, J. F. C.
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Dorvaux, O.
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show more...
-
Greenlees, P. T.
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Helariutta, K.
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Jones, P.
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Julin, R.
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Juutinen, S.
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Kettunen, H.
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Kuusiniemi, P.
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Leino, M.
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Muikku, M.
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Nieminen, P.
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Eskola, K.
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Wyss, Ramon
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show less...
- Articles in the publication
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Physical Review ...
- By the university
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Royal Institute of Technology