Gamma-ray spectroscopy at the limits: first observation of rotational bands in 255Lr.

Ketelhut, S; Greenlees, P T; Ackermann, D; Antalic, S; Clément, E; Darby, I G; Dorvaux, O; Drouart, A; Eeckhaudt, S; Gall, B J P; Görgen, A; Grahn, T; Gray-Jones, C; Hauschild, K; Herzberg, R-D; Hessberger, F P; Jakobsson, U; Jones, G D; Jones, P; Julin, R; Juutinen, S; Khoo, T-L; Korten, W; Leino, M; Leppänen, A-P; Ljungvall, J; Moon, S; Nyman, M; Obertelli, A; Pakarinen, J; Parr, E; Papadakis, P; Peura, P; Piot, J; Pritchard, A; Rahkila, P; Rostron, D; Ruotsalainen, P; Sandzelius, M; Sarén, J; Scholey, C; Sorri, J; Steer, A; Sulignano, B; Theisen, Ch; Uusitalo, J; Venhart, M; Zielinska, M; Bender, M; Heenen, P-H

Ketelhut, S; Greenlees, P T; Ackermann, D; Antalic, S; Clément, E; Darby, I G; Dorvaux, O; Drouart, A; Eeckhaudt, S; Gall, B J P; Görgen, A; Grahn, T; Gray-Jones, C; Hauschild, K; Herzberg, R-D; Hessberger, F P; Jakobsson, U; Jones, G D; Jones, P; Julin, R; Juutinen, S; Khoo, T-L; Korten, W; Leino, M; Leppänen, A-P; Ljungvall, J; Moon, S; Nyman, M; Obertelli, A; Pakarinen, J; Parr, E; Papadakis, P; Peura, P; Piot, J; Pritchard, A; Rahkila, P; Rostron, D; Ruotsalainen, P; Sandzelius, M; Sarén, J; Scholey, C; Sorri, J; Steer, A; Sulignano, B; Theisen, Ch; Uusitalo, J; Venhart, M; Zielinska, M; Bender, M; Heenen, P-H.

Affiliation

Ketelhut S; Department of Physics, University of Jyväskylä, FIN-40014 Jyväskylä, Finland. steffen.ketelhut@phys.jyu.fi

Phys Rev Lett ; 102(21): 212501, 2009 May 29.

Article in En | MEDLINE | ID: mdl-19519098

ABSTRACT

ABSTRACT

The rotational band structure of 255Lr has been investigated using advanced in-beam gamma-ray spectroscopic techniques. To date, 255Lr is the heaviest nucleus to be studied in this manner. One rotational band has been unambiguously observed and strong evidence for a second rotational structure was found. The structures are tentatively assigned to be based on the 1/2-[521] and 7/2-[514] Nilsson states, consistent with assignments from recently obtained alpha decay data. The experimental rotational band dynamic moment of inertia is used to test self-consistent mean-field calculations using the Skyrme SLy4 interaction and a density-dependent pairing force.

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Collection: 01-internacional Database: MEDLINE Language: En Journal: Phys Rev Lett Year: 2009 Type: Article Affiliation country: Finland

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Collection: 01-internacional Database: MEDLINE Language: En Journal: Phys Rev Lett Year: 2009 Type: Article Affiliation country: Finland