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alpha decay of Re-159 and proton emission from Ta-155
- Page, R. D. (author)
- Bianco, L. (author)
- Darby, I. G. (author)
- show more...
- Uusitalo, J. (author)
- Joss, D. T. (author)
- Grahn, T. (author)
- Herzberg, R. -D (author)
- Pakarinen, J. (author)
- Thomson, J. (author)
- Eeckhaudt, S. (author)
- Greenlees, P. T. (author)
- Jones, P. M. (author)
- Julin, R. (author)
- Juutinen, S. (author)
- Ketelhut, S. (author)
- Leino, M. (author)
- Leppanen, A. -P (author)
- Nyman, M. (author)
- Rahkila, P. (author)
- Saren, J. (author)
- Scholey, C. (author)
- Steer, A. (author)
- Hornillos, M. B. Gomez (author)
- Al-Khalili, J. S. (author)
- Cannon, A. J. (author)
- Stevenson, P. D. (author)
- Erturk, S. (author)
- Gall, B. (author)
- Venhart, M. (author)
- Simpson, J. (author)
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- (creator_code:org_t)
- 2007
- 2007
- English.
- In: Physical Review C. Nuclear Physics. - 0556-2813 .- 1089-490X. ; 75:6, s. 061302-
- Journal article (peer-reviewed)
Abstract
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- The alpha decay of Re-159 has been observed for the first time in reactions of 300 MeV Ni-58 ions with an isotopically enriched Cd-106 target. The Re-159 ions were separated in-flight using the RITU separator and implanted into the GREAT spectrometer. The alpha decay emanates from the proton-emitting pi h(11/2) state in Re-159 with an energy of E-alpha=6776 +/- 26 keV and a branching ratio of 7.5 +/- 3.5%. This alpha decay populates a state in the closed neutron shell nucleus Ta-155, which decays by emitting 1444 +/- 15 keV protons with a half-life of 2.9(-1.1)(+1.5) ms. These values are consistent with the emission of the proton from a pi h(11/2) orbital. These results fit in with the systematics of proton and alpha-particle separation energies in the region, but disagree with the previously reported decay properties of Ta-155.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Keyword
- Physics
- Fysik
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- ref (subject category)
- art (subject category)
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- Page, R. D.
- Bianco, L.
- Darby, I. G.
- Uusitalo, J.
- Joss, D. T.
- Grahn, T.
- show more...
- Herzberg, R. -D
- Pakarinen, J.
- Thomson, J.
- Eeckhaudt, S.
- Greenlees, P. T.
- Jones, P. M.
- Julin, R.
- Juutinen, S.
- Ketelhut, S.
- Leino, M.
- Leppanen, A. -P
- Nyman, M.
- Rahkila, P.
- Saren, J.
- Scholey, C.
- Steer, A.
- Hornillos, M. B. ...
- Al-Khalili, J. S ...
- Cannon, A. J.
- Stevenson, P. D.
- Erturk, S.
- Gall, B.
- Hadinia, Baharak
- Venhart, M.
- Simpson, J.
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- Royal Institute of Technology
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