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Coulomb excitation ...
Coulomb excitation of Sn-110 using REX-ISOLDE
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- Ekström, Andreas (author)
- Lund University,Lunds universitet,Kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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- Cederkäll, Joakim (author)
- Lund University,Lunds universitet,Kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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Hurst, A. (author)
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- Fahlander, Claes (author)
- Lund University,Lunds universitet,Kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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Banu, A. (author)
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Butler, P. (author)
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Eberth, J. (author)
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Gorska, M. (author)
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Habs, D. (author)
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Huyse, M. (author)
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Kester, O. (author)
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Niedermayer, O. (author)
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Nilsson, Thomas, 1965 (author)
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Pantea, M. (author)
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Scheit, H. (author)
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Schwalm, D. (author)
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Sletten, G. (author)
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Ushasi, D. P. (author)
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Van Duppen, P. (author)
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Warr, N. (author)
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Weisshaar, D. (author)
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(creator_code:org_t)
- 2006
- 2006
- English.
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In: Physica Scripta. - 1402-4896 .- 0031-8949. ; T125, s. 190-191
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Abstract
Subject headings
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- In this paper, we report the preliminary result from the first Coulomb excitation experiment at REX-ISOLDE (Habs et al 1998 Nucl. Instrum. Methods B 139 128) using neutron-deficient Sn-beams. The motivation of the experiment is to deduce the reduced transition probability, B(E2; 2(+) -> 0(+)), for the sequence of neutron deficient, unstable, even-even Sn- isotopes from Sn-110 to ultimately Sn-110. Safe Coulomb excitation using a radioactive beam opens up a new path to study the lifetime of the first excited 2(+) state in these isotopes. The de-excitation path following fusion-evaporation reactions will for the even-even Sn isotopes pass via an isomeric 6(+) state, located at higher energy, which thus hampers measurements of the lifetime of the first excited state using, e. g., recoil-distance methods. For this reason the reduced transition probability of the first excited 2(+) state has remained unknown in this chain of isotopes although the B(E2) value of the stable isotope Sn-112 was measured approximately 30 years ago (see, e. g., Stelson et al 1970 Phys. Rev. C 2 2015). Our experiment is thus the first to accomplish a measurement of this quantity in Sn-110. It is believed that the determination of the B(E2) value in Sn-110 will indicate the turnover point from a trend of increasing B(E2) values for the heavier isotopes to a trend characterized by less collectivity. Our first preliminary result indicates that this assumption may well be correct.
Subject headings
- NATURVETENSKAP -- Fysik -- Subatomär fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Subatomic Physics (hsv//eng)
Publication and Content Type
- kon (subject category)
- ref (subject category)
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- By the author/editor
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Ekström, Andreas
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Cederkäll, Joaki ...
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Hurst, A.
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Fahlander, Claes
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Banu, A.
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Butler, P.
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show more...
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Eberth, J.
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Gorska, M.
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Habs, D.
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Huyse, M.
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Kester, O.
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Niedermayer, O.
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Nilsson, Thomas, ...
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Pantea, M.
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Scheit, H.
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Schwalm, D.
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Sletten, G.
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Ushasi, D. P.
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Van Duppen, P.
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Warr, N.
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Weisshaar, D.
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Subatomic Physic ...
- Articles in the publication
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Physica Scripta
- By the university
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Chalmers University of Technology
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Lund University