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Characterizing the atomic mass surface beyond the proton drip line via α-decay measurements of the πs1/2 ground state of 165Re and the πh11/2 isomer in 161Ta

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Thornthwaite, A., O’Donnell, D., Page, R., Joss, D., Scholey, C., Bianco, L., . . . Uusitalo, J. (2012). Characterizing the atomic mass surface beyond the proton drip line via α-decay measurements of the πs1/2 ground state of 165Re and the πh11/2 isomer in 161Ta. Physical Review C, 86 (6), 064315. doi:10.1103/PhysRevC.86.064315
Published in
Physical Review C
Authors
Thornthwaite, A. |
O Donnell, D. |
Page, Robert |
Joss, David |
Scholey, Catherine |
Bianco, L. |
Capponi, L. |
Carroll, R.J. |
Darby, Iain |
Donosa, L. |
Drummond, M.C. |
Ertugral, F. |
Grahn, Tuomas |
Greenlees, Paul |
Hauschild, Karl |
Herzan, Andrej |
Jakobsson, Ulrika |
Jones, Peter |
Julin, Rauno |
Juutinen, Sakari |
Ketelhut, Steffen |
Labiche, M. |
Leino, Matti |
Lopez-Martens, Araceli |
Mullholland, K. |
Nieminen, Päivi |
Peura, Pauli |
Rahkila, Panu |
Rinta-Antila, Sami |
Ruotsalainen, Panu |
Sandzelius, Mikael |
Sarén, Jan |
Saygi, B. |
Simpson, John |
Sorri, Juha |
Uusitalo, Juha
Date
2012
Discipline
Fysiikka
Copyright
© 2012 American Physical Society. Published in this repository with the kind permission of the publisher.

 
The α-decay chains originating from the πs1/2 and πh11/2 states in 173Au have been investigated following fusion-evaporation reactions. Four generations of α radioactivities have been correlated with 173Aum leading to a measurement of the α decay of 161Tam. It has been found that the known α decay of 161Ta, which was previously associated with the decay of the ground state, is in fact the decay of an isomeric state. This work also reports on the first observation of prompt γ rays feeding the ground state of 173Au. This prompt γ radiation was used to aid the study of the α-decay chain originating from the πs1/2 state in 173Au. Three generations of α decays have been correlated with this state, leading to the observation of a previously unreported activity which is assigned as the decay of 165Reg. This work also reports the excitation energy of an α-decaying isomer in 161Ta and the Qα value of the decay of 161Tag.
Publisher
American Physical Society
ISSN Search the Publication Forum
0556-2813
Keywords
Kokeellinen ydinfysiikka Experimental nuclear physics
DOI
10.1103/PhysRevC.86.064315
URI

http://urn.fi/URN:NBN:fi:jyu-201603101809

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