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Centrifugal stretching from lifetime measurements in the 170Hf ground state band

M.K. Smith ; V. Werner ; J.R. Terry ; N.A. Pietralla ; P. Petkov ; Z. Berant ; R.J. Casperson ; Andreas Martin Heinz (Institutionen för fundamental fysik, Subatomär fysik) ; G. Henning ; R. Lüttke ; J. Qian ; B. Shoraka ; G.I. Rainovski ; E.S. Williams ; R.P. Winkler
Physical Review C - Nuclear Physics (0556-2813). Vol. 87 (2013), 4,
[Artikel, refereegranskad vetenskaplig]

Centrifugal stretching in the deformed rare-earth nucleus 170Hf is investigated using high-precision lifetime measurements, performed with the New Yale Plunger Device at Wright Nuclear Structure Laboratory, Yale University. Excited states were populated in the fusion-evaporation reaction 124Sn(50Ti,4n)170Hf at a beam energy of 195 MeV. Recoil distance doppler shift data were recorded for the ground state band through the J=16+ level. The measured B(E2) values and transition quadrupole moments improve on existing data and show increasing β deformation in the ground state band of 170Hf. The results are compared to descriptions by a rigid rotor and by the confined β-soft rotor model. © 2013 American Physical Society.

Denna post skapades 2014-01-13. Senast ändrad 2015-03-30.
CPL Pubid: 192188


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Institutioner (Chalmers)

Institutionen för fundamental fysik, Subatomär fysik (2005-2013)



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