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| 2. |
- Honkanen, A., et al.
(författare)
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Fine structure in the beta-delayed proton decay of Ar-33
- 1996
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Ingår i: Nuclear Physics A. - 0375-9474. ; 611:1, s. 47-55
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Tidskriftsartikel (refereegranskat)abstract
- Low-energy beta-delayed protons from Ar-33 have been measured for the first time, The data reveal states, which, despite unfavourable barrier penetrability values, strongly decay to the first excited 2(+) state in S-32. The observation is discussed in terms of the standard shell model, A natural explanation is provided by the large spectroscopic amplitudes, involving s(1/2) and d(3/2) orbitals, as well as the l = 0 barrier penetrability, favouring the decay to the 2(+) state.
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| 3. |
- Axelsson, L., et al.
(författare)
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Beta decay of Ar-31
- 1998
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Ingår i: Nuclear Physics A. - 0375-9474. ; 634:4, s. 475-496
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Tidskriftsartikel (refereegranskat)abstract
- A complete study of Ar-31 beta decay has been made by high-resolution charged-particle and gamma-ray spectroscopy. Beta-delayed radiation was detected by an array of three charged-particle detectors and a large-volume germanium detector. Fifteen new energy levels were discovered in Cl-31. The beta-strength distribution, measured to 14.5 MeV, is compared with a shell-model calculation in the full sd space. The quenching of the Gamow-Teller strength and the isospin impurity of the IAS in Cl-31 are discussed. (C) 1998 Published by Elsevier Science B.V.
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| 4. |
- Axelsson, L., et al.
(författare)
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Two-proton emission in the decay of Ar-31
- 1998
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Ingår i: Nuclear Physics A. - 0375-9474. ; 628:3, s. 345-362
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Tidskriftsartikel (refereegranskat)abstract
- Several beta-delayed two-proton branches were observed in the decay of Ar-31, the most intense ones proceeding through the isobaric analogue state (IAS) in Cl-31. The mechanism of the two-proton emission is studied via the energy and angular distributions of the two protons, Simultaneous emission of the two protons fits the present data well, sequential decays might also describe them. Independent of the decay mechanism, a spin of 5/2 for the IAS is suggested, An improved limit on the direct two-proton emission fi om the ground state of Ar-31 is presented, (C) 1998 Elsevier Science B.V.
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| 5. |
- Fynbo, H. O. U., et al.
(författare)
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Ar-31 examined: New limit on the beta-delayed three-proton branch
- 1999
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Ingår i: Physical Review C - Nuclear Physics. - 2469-9985 .- 2469-9993. ; 59:4, s. 2275-2277
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Tidskriftsartikel (refereegranskat)abstract
- We have remeasured the decay of Ar-31 with a setup sensitive to multiparticle decay branches and obtained. a new limit of 1.1 x 10(-3) (99% C.L.) on the beta-delayed three-proton branch between the isobaric analog state in Cl-31 and the ground state of Si-28. This a factor of 17 below the previously reported first observation of beta-delayed three-proton emission in Ar-31. The limit on a possible beta 3p branch to the first excited state in Si-28 is 2.9 x 10(-4). [S0556-2813(99)04404-0].
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| 6. |
- Bacon, WE, et al.
(författare)
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International comparison of hip fracture rates in 1988-89
- 1996
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Ingår i: Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA. - 0937-941X. ; 6:1, s. 69-75
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Tidskriftsartikel (refereegranskat)
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