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Oblately deformed isomeric proton-emitting state in 151Lu

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Taylor, M. J., Cullen, D. M., Procter, M. G., Smith, A. J., McFarlane, A., Twist, V., . . . Doncel, M. (2015). Oblately deformed isomeric proton-emitting state in 151Lu. Physical Review C, 91 (4), 044322. doi:10.1103/PhysRevC.91.044322
Published in
Physical Review C
Authors
Taylor, M. J. |
Cullen, D. M. |
Procter, M. G. |
Smith, A. J. |
McFarlane, A. |
Twist, V. |
Alharshan, G. A. |
Ferreira, L. S. |
Maglione, E. |
Auranen, Kalle |
Grahn, Tuomas |
Greenlees, Paul |
Hauschild, Karl |
Herzan, Andrej |
Jakobsson, Ulrika |
Julin, Rauno |
Juutinen, Sakari |
Ketelhut, Steffen |
Konki, Joonas |
Leino, Matti |
Lopez-Martens, Araceli |
Pakarinen, Janne |
Partanen, Jari |
Peura, Pauli |
Rahkila, Panu |
Rinta-Antila, Sami |
Ruotsalainen, Panu |
Sandzelius, Mikael |
Sarén, Jan |
Scholey, Catherine |
Sorri, Juha |
Stolze, Sanna |
Uusitalo, Juha |
Doncel, M.
Date
2015
Discipline
Fysiikka
Copyright
© 2015 American Physical Society. Published in this repository with the kind permission of the publisher.

 
Gamma rays from excited states feeding a proton-emitting isomeric-state in 151Lu have been observed for the first time. Comparison with state-of-the-art nonadiabatic quasiparticle calculations indicates an oblately deformed, 3/2+ proton-emitting state with a quadrupole deformation of β2 = −0.11. The calculations suggest an increase in quadrupole deformation, to β2 = −0.18, with increasing spin which is understood in terms of the mixing of Nilsson states at the Fermi surface. It is also shown that the proton decay half-life is consistent with that from a 3/2+ state with a quadrupole deformation of β2 = −0.12.
Publisher
American Physical Society
ISSN Search the Publication Forum
0556-2813
Keywords
lutetium
DOI
10.1103/PhysRevC.91.044322
URI

http://urn.fi/URN:NBN:fi:jyu-201602031405

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