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- Horvath, Akos, et al.
(författare)
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Nuclear power in the 21st century : Challenges and possibilities
- 2016
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Ingår i: Ambio. - : Springer. - 0044-7447 .- 1654-7209. ; 45:Suppl. 1, s. 38-49
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Forskningsöversikt (refereegranskat)abstract
- The current situation and possible future developments for nuclear power—including fission and fusion processes—is presented. The fission nuclear power continues to be an essential part of the low-carbon electricity generation in the world for decades to come.There are breakthrough possibilities in the development of new generation nuclear reactors where the life-time of the nuclear waste can be reduced to some hundreds of years instead of the present time-scales of hundred thousand of years. Research on the fourth generation reactors is needed for the realisation of this development. For the fast nuclear reactors, a substantial research and development effort is required in many fields—from material sciences to safety demonstration—to attain the envisaged goals. Fusion provides a long-term vision for an efficient energy production. The fusion option for a nuclear reactor for efficient production of electricity has been set out in a focussed European programme including the international project of ITER after which a fusion electricity DEMO reactor is envisaged.
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| 6. |
- Rachlew (Källne), Elisabeth, 1944-
(författare)
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An elegant method to estimate helium-like ion densities from visible and VUV plasma spectroscopy
- 1993
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Ingår i: Plasma Physics and Controlled Fusion. - IOP. - 0741-3335 .- 1361-6587. ; 35, s. 1553-1561
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Tidskriftsartikel (refereegranskat)abstract
- A method is presented to estimate the densities of He-like carbon and oxygen ionsfrom the observation of the Li-like 3p + 3s transitions inthe visible and the 3p + 2s transitionsin the vacuum ulbaviolet The method is based on a zerodimensional model for plasmas withshort particle confinement times. General coefficients for this study are derived and evaluatednumerically. The method is applied to Extrap-T1 reversed field pinch data
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| 7. |
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| 8. |
- Rachlew (Källne), Elisabeth, 1944-
(författare)
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Argon 3s autoionization
- 1994
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Ingår i: J de physique IV. ; , s. C9-401-C9-404
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Konferensbidrag (refereegranskat)
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| 9. |
- Rachlew (Källne), Elisabeth, 1944-
(författare)
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Autoionization widths of the NO Rydberg-valence state complex in the 11-12 eV region
- 1995
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Ingår i: Chemical Physics Letters. - Elsevier. - 0009-2614 .- 1873-4448. ; 239, s. 6-10
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Tidskriftsartikel (refereegranskat)abstract
- The photoion excitation spectra of 14NO and 15NO have been studied in the 105-112 nm excitation region usinghigh-order harmonic laser spectroscopy. Utilizing the small bandwidth offered by this technique, the natural widths ofprominent lines in this region have been measured. These lines originate from interactions between high-lying Rydberglevels converging to the NO + electronic ground state and a 'new' NO valence state situated close to the latter state. Thepresent measurements show broad resonances corresponding to a decay time of 20-50 fs. This supports the interpretationthat the decay takes place via rapid electronic autoionization.
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| 10. |
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