Enhanced mixing of intrinsic states in deformed Hf nuclei | Zendy

E. A. McCutchan | Zendy; R. F. Casten | Zendy; V. Werner | Zendy; E. Williams | Zendy; R. Winkler | Zendy; A. Wolf | Zendy; Z. Berant | Zendy; G. Gürdal | Zendy; J. Qian | Zendy; H. Ai | Zendy; Lynn M. Amon | Zendy; C. W. Beausang | Zendy; D. S. Brenner | Zendy; R. B. Cakirli | Zendy; R. J. Casperson | Zendy; C. Fitzpatrick | Zendy; Daniel Sheinbaum Frank | Zendy; A. B. Garnsworthy | Zendy; A. Heinz | Zendy; R. Lüttke | Zendy; Aaron F. Mertz | Zendy; Y. Öktem | Zendy; N. Pietralla | Zendy; P. H. Regan | Zendy; B. Shoraka | Zendy; J. R. Terry | Zendy; Nicholas J. Thompson | Zendy

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Enhanced mixing of intrinsic states in deformed Hf nuclei

Author(s) -

E. A. McCutchan,

R. F. Casten,

V. Werner,

E. Williams,

R. Winkler,

A. Wolf,

Z. Berant,

G. Gürdal,

J. Qian,

H. Ai,

Lynn M. Amon,

C. W. Beausang,

D. S. Brenner,

R. B. Cakirli,

R. J. Casperson,

C. Fitzpatrick,

Daniel Sheinbaum Frank,

A. B. Garnsworthy,

A. Heinz,

R. Lüttke,

Aaron F. Mertz,

Y. Öktem,

N. Pietralla,

P. H. Regan,

B. Shoraka,

J. R. Terry,

Nicholas J. Thompson

Publication year - 2008

Publication title -

physical review c

Language(s) - English

Resource type - Journals

eISSN - 1089-490X

pISSN - 0556-2813

DOI - 10.1103/physrevc.77.054304

Subject(s) - physics , excited state , mixing (physics) , atomic physics , isotope , spectroscopy , order (exchange) , spin (aerodynamics) , coincidence , nuclear reaction , nuclear physics , quantum mechanics , medicine , alternative medicine , finance , pathology , economics , thermodynamics

Excited low-spin, nonyrast states in {sup 170,172,174}Hf were populated in {beta}{sup +}/{epsilon} decay and studied through off-beam {gamma}-ray spectroscopy. New coincidence data allowed for a substantial revision of the level schemes of {sup 170,172}Hf and a confirmation of the level scheme of {sup 174}Hf. The Hf isotopes represent a unique situation in which a crossing of collective intrinsic excitations occurs, enhancing significantly the effects of mixing. Using branching ratios from excited 2{sup +} states, this mixing is followed and studied. The resulting mixing matrix elements are found to be {approx}30 keV - an order of magnitude larger than estimated previously for nearby nuclei. In the case of {sup 170}Hf, the 2{sub {beta}}{sup +} and 2{sub {gamma}}{sup +} level are shown to be completely mixed.

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